Sample of 3,600 bird-related research articles published in 2001

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Eagle Owl Bubo bubo and power line interactions in the Italian Alps. Rubolini, Diego; Bassi, Enrico; Bogliani, Giuseppe; Galeotti, Paolo; Garavaglia, Roberto. Bird Conservation International; December 2001; v.11, no.4, p.319-324.

Early auditory experience induces frequency-specific, adaptive plasticity in the forebrain gaze fields of the barn owl. Miller, Greg L.; Knudsen, Eric I. Journal of Neurophysiology (Bethesda); May 2001; v.85, no.5, p.2184-2194.

Early diversification of the avian brain: Body relationship. Nealen, Paul M.; Ricklefs, Robert E. Journal of Zoology (London); March 2001; v.253, no.3, p.391-404.

Early effects of climate change: Do they include changes in vector-borne disease? Kovats, R. S.; Campbell-Lendrum, D. H.; McMichael, A. J.; Woodward, A.; Cox, J. St H. Philosophical Transactions of the Royal Society of London B Biological Sciences; 29 July 2001; v.356, no.1411, p.1057-1068.

Early nesting by Great Horned Owls in Montana. Holt, Denver W.; Drasen, Stacy. Journal of Raptor Research; March 2001; v.35, no.1, p.66-67.

Early nutrition causes persistent effects on pheasant morphology. Ohlsson, Thomas; Smith, Henrik G. Physiological and Biochemical Zoology; March-April 2001; v.74, no.2, p.212-218.

Early Pliocene avifauna of Muselievo (C Northern Bulgaria). Boev, Zlatozar Nikolaev. Acta Zoologica Cracoviensia; 2001; v.44, no.1, p.37-52.

Ecogeographic correlates of morphometric variation in the Red-billed Chough Pyrrhocorax pyrrhocorax and the Alpine Chough Pyrrhocorax graculus. Laiolo, Paola; Rolando, Antonio. Ibis; October 2001; v.143, no.4, p.602-616.

Ecogeographic correlates of morphometric variation in the Red-billed Chough Pyrrhocorax pyrrhocorax and the Alpine Chough Pyrrhocorax graculus. Laiolo, Paola; Rolando, Antonio. Ibis; October 2001; v.143, no.4, p.602-616.

Ecological analogues and convergence among desert organisms. Cloudsley-Thompson, John L. Biogeographica (Paris); Juin 2001; v.77, no.2, p.51-63.

Ecological and biogeographical implications of Yellow-Legged Gulls (Larus cachinnans Pallas) as seed dispersers of Rubia fruticosa Ait. (Rubiaceae) in the Canary Islands. Nogales, Manuel; Medina, Felix M.; Quilis, Vicente; Gonzalez-Rodriguez, Mercedes. Journal of Biogeography; September 2001; v.28, no.9, p.1137-1145.

Ecological and financial assessment of late successional reserve management. Hummel, Susan Stevens; Barbour, R. James; Hessburg, Paul F.; Lehmkuh, John F. U S Forest Service Pacific Northwest Research Station Research Note PNW-RN; October 2001; no.531, p.1-25.

Ecological and fitness consequences of species coexistence: A removal experiment with wood warblers. Martin, Paul R.; Martin, Thomas E. Ecology (Washington D C); January 2001; v.82, no.1, p.189-206.

Ecological approaches to reduce predation on ground-nesting gamebirds and their nests. Jimenez, Jaime E.; Conover, Michael R. Wildlife Society Bulletin; Spring 2001; v.29, no.1, p.62-69.

Ecological biogeography of Southern Ocean islands: The importance of considering spatial issues. Selmi, S.; Boulinier, T. American Naturalist; October 2001; v.158, no.4, p.426-437.

Ecological biogeography of southern polar encrusting faunas. Barnes, David K. A.; De Grave, Sammy. Journal of Biogeography; March 2001; v.28, no.3, p.359-365.

Ecological correlates in the evolution of moult strategies in Western Palearctic passerines. Figuerola, Jordi; Jovani, Roger. Evolutionary Ecology; 2001; v.15, no.3, p.183-192.

Ecological effects of El Nino in terrestrial ecosystems of western South America. Jaksic, Fabian M. Ecography; June 2001; v.24, no.3, p.241-250.

Ecological factors underlying the adrenocortical response to capture stress in arctic-breeding shorebirds. O'Reilly, Kathleen M.; Wingfield, John C. General and Comparative Endocrinology; October 2001; v.124, no.1, p.1-11.

Ecological forecasts: An emerging imperative. Clark, James S.; Carpenter, Steven R.; Barber, Mary; Collins, Scott; Dobson, Andy; Foley, Jonathan A.; Lodge, David M.; Pascual, Mercedes; Pielke, Roger, Jr.; Pizer, William; Pringle, Cathy; Reid, Walter V.; Rose, Kenneth A.; Sala, Osvaldo; Schlesinger, William H.; Wall, Diana H.; Wear, David. Science (Washington D C); 27 July 2001; v.293, no.5530, p.657-660.

Ecological meltdown in predator-free forest fragments. Terborgh, John; Lopez, Lawrence; Nunez V., Percy; Rao, Madhu; Shahabuddin, Ghazala; Orihuela, Gabriela; Riveros, Mailen; Ascanio, Rafael; Adler, Greg H.; Lambert, Thomas D.; Balbas, Luis. Science (Washington D C); 30 November 2001; v.294, no.5548, p.1923-1926.

Ecological plasticity by morphological design reduces costs of subordination: Influence on species distribution. Moreno, Eulalia; Barluenga, Marta; Barbosa, Andres. Oecologia (Berlin); August 2001; v.128, no.4, p.603-607.

Ecological processes influencing mortality of juvenile pink salmon (Oncorhynchus gorbuscha) in Prince William Sound, Alaska. Willette, T. M.; Cooney, R. T.; Patrick, V.; Mason, D. M.; Thomas, G. L.; Scheel, D. Fisheries Oceanography; 2001; v.10, no.Supplement 1, p.14-41.

Ecological restoration of native forest at Aratiatia, North Island, New Zealand. Smale, Mark C.; Whaley, Patrick T.; Smale, Paul N. Restoration Ecology; March 2001; v.9, no.1, p.28-37.

Ecologically determined natal philopatry within a colony of great cormorants. Schjorring, Solveig. Behavioral Ecology; May-June 2001; v.12, no.3, p.287-294.

Ecology (Washington D C); July 2001; v.82, no.7, p.1905-1920.

Ecology and conservation biology of the Colorado River delta, Mexico. Glenn, Edward P.; Zamora-Arroyo, Francisco; Nagler, Pamela L.; Briggs, Mark; Shaw, William; Flessa, Karl. Journal of Arid Environments; September 2001; v.49, no.1, p.5-15.

Ecology of fear: Foraging games between predators and prey with pulsed resources. Brown, Joel S.; Kotler, Burt P.; Bouskila, Amos. Annales Zoologici Fennici; 19 March 2001; v.38, no.1, p.71-87.

Ecology of fruit-colour polymorphism in Myrtus communis and differential effects of birds and mammals on seed germination and seedling growth. Traveset, Anna; Riera, Nuria; Mas, Rafael E. Journal of Ecology; October 2001; v.89, no.5, p.749-760.

Ecology: Caribbean catastrophes. Brooks, Thomas; Smith, Michael Leonard. Science (Washington D C); 16 November 2001; v.294, no.5546, p.1469-1471.

Economic returns and allocation of resources in the wildlife sector of Botswana. Barnes, J. I. South African Journal of Wildlife Research; 2001; v.31, no.3-4, p.141-153.

Ecosystem controls of juvenile pink salmon (Onchorynchus gorbuscha) and Pacific herring (Clupea pallasi) populations in Prince William Sound, Alaska. Cooney, Robert T.; Allen, J. R.; Bishop, M. A.; Eslinger, D. L.; Kline, T.; Norcross, B. L.; McRoy, C. P.; Milton, J.; Olsen, J.; Patrick, V.; Paul, A. J.; Salmon, D.; Scheel, D.; Thomas, G. L.; Vaughan, S. L.; Willette, T. M. Fisheries Oceanography; 2001; v.10, no.Supplement 1, p.1-13.

Ecosystem management and the niche gestalt of the red-cockaded woodpecker in longleaf pine forests. James, Frances C.; Hess, Charles A.; Kicklighter, Bart C.; Thum, Ryan A. Ecological Applications; June 2001; v.11, no.3, p.854-870.

Ectoparasites in lekking Sharp-tailed Grouse, Tympanuchus phasianellus. Tsuji, Leonard J. S.; Karagatzides, Jim D.; Deiluiis, Gerardo. Canadian Field-Naturalist; April-June 2001; v.115, no.2, p.210-213.

Ectoparasites, nestling growth, parental feeding rates, and begging intensity of tree swallows. Thomas, Krista; Shutler, Dave. Canadian Journal of Zoology; February 2001; v.79, no.2, p.346-353.

Edge effects and ecological traps: Effects on shrubland birds in Missouri. Woodward, April A.; Fink, Alix D.; Thompson, Frank R., III. Journal of Wildlife Management; October 2001; v.65, no.4, p.668-675.

Edge effects on the distribution and abundance of birds in a southern Victorian forest. Berry, Lainie. Wildlife Research; 2001; v.28, no.3, p.239-245.

Edge-related nest predation associated with the retention of residual trees in harvested hardwood stands. Yahner, Richard H.; Rodewald, Amanda D.; Talbott, Susan C. Canadian Field-Naturalist; January-March 2001; v.115, no.1, p.82-87.

Effect of abiotic factors on reproduction in the centre and periphery of breeding ranges: A comparative analysis in sympatric harriers. Garcia, J. T.; Arroyo, B. E. Ecography; August 2001; v.24, no.4, p.393-402.

Effect of acanthocephalan parasites on the behaviour and coloration of the mud crab Macrophthalmus hirtipes (Brachyura: Ocypodidae). Latham, A. D. M.; Poulin, R. Marine Biology (Berlin); December 2001; v.139, no.6, p.1147-1154.

Effect of acorn burying depth on germination, seedling emergence and development of Quercus aliena var. acuteserrata. Guo Ke; Li Rui; Werger, Marinus J. A. Acta Botanica Sinica; September 2001; v.43, no.9, p.974-978.

Effect of age on seed digestion in parrots (Amazona aestiva). Vendramin-Gallo, M.; Pessutti, C.; Pezzato, A. C.; Vicentini-Paulino, M. L. M. Physiological and Biochemical Zoology; May-June 2001; v.74, no.3, p.398-403.

Effect of alliums on total cholesterol content of liver and muscle of Japanese quail (Coturnix coturnix japonica). Kumar, V. Girish; Surendranathan, K. P. Indian Journal of Animal Sciences; July 2001; v.71, no.7, p.670-672.

Effect of body size on the resource holding potential of male Varied Tits Parus varius. Yamaguchi, Noriyuki; Kawano, Katsura K. Japanese Journal of Ornithology; May 2001; v.50, no.2, p.65-70.

Effect of body size on the resource holding potential of male Varied Tits Parus varius. Yamaguchi, Noriyuki; Kawano, Katsura K. Japanese Journal of Ornithology; May 2001; v.50, no.2, p.65-70.

Effect of conspecific brood parasitism on host fitness for Tufted Duck and Common Pochard. Dugger, Bruce D.; Blums, Peter. Auk; July 2001; v.118, no.3, p.717-726.

Effect of conspecific brood parasitism on host fitness for Tufted Duck and Common Pochard. Dugger, Bruce D.; Blums, Peter. Auk; July 2001; v.118, no.3, p.717-726.

Effect of cool drinking water on production and shell quality of laying hens in summer. Glatz, P. C. Asian-Australasian Journal of Animal Sciences; June 2001; v.14, no.6, p.850-854.

Effect of declawing on behavior of farmed emus. Glatz, P. C. Asian-Australasian Journal of Animal Sciences; January 2001; v.14, no.2, p.288-296.

Effect of exogenous oestradiol and lighting regime on age at first egg in domestic pullets. Lewis, P. D.; Dunn, I. C.; Perry, G. C.; Morris, T. R.; Sharp, P. J. British Poultry Science; September 2001; v.42, no.4, p.530-535.

Effect of feeding dried citrus pulp on quail laying performance and some egg quality characteristics. Florou-Paneri, P.; Babidis, V.; Kufidis, D.; Christaki, E.; Spais, A. B. Archiv fuer Gefluegelkunde; August 2001; v.65, no.4, p.178-181.

Effect of feeding high glucosinolate rapeseed meal to laying Japanese quail. Elangovan, A. V.; Verma, S. V. S.; Sastry, V. R. B.; Singh, S. D. Asian-Australasian Journal of Animal Sciences; September 2001; v.14, no.9, p.1304-1307.

Effect of food availability on arrival and departure decisions of Harlequin Ducks at diurnal feeding grounds. Rodway, Michael S.; Cooke, Fred. Condor; November 2001; v.103, no.4, p.870-874.

Effect of food shortage on the physiology and competitive abilities of sand martin (Riparia riparia) nestlings. Brzek, Pawel; Konarzewski, Marek. Journal of Experimental Biology; September 2001; v.204, no.17, p.3065-3074.

Effect of genetic line, sex of birds and the type of bioassay on the metabolisable energy value of maize. Yaghobfar, A. British Poultry Science; July 2001; v.42, no.3, p.350-353.

Effect of genotype, sex and rearing temperature on carcase and meat quality of guinea fowl. Baeza, E.; Juin, H.; Rebours, G.; Constantin, P.; Marche, G.; Leterrier, C. British Poultry Science; September 2001; v.42, no.4, p.470-476.

Effect of group size on field metabolic rate of Arabian Babblers provisioning nestlings. Anava, Avner; Kam, Michael; Shkolnik, Amiram; Degen, A. Allan. Condor; May 2001; v.103, no.2, p.376-380.

Effect of human presence on foraging behavior of sandhill cranes (Grus canadensis) in Nebraska. Burger, Joanna; Gochfeld, Michael. Bird Behavior; 2001; v.14, no.2, p.81-87.

Effect of increasing numbers of deer on bird populations in Wytham Woods, central England. Perrins, C. M.; Overall, R. Forestry (Oxford); 2001; v.74, no.3, p.299-309.

Effect of instrument attachment and other factors on foraging trip duration and nesting success of Adelie Penguins. Ballard, Grant; Ainley, David G.; Ribic, Christine A.; Barton, Kerry R. Condor; August 2001; v.103, no.3, p.481-490.

Effect of investigator disturbance on nest attendance and egg predation in Eurasian Oystercatchers. Verboven, Nanette; Ens, Bruno J.; Dechesne, Sharon. Auk; April 2001; v.118, no.2, p.503-508.

Effect of investigator disturbance on the breeding success of the Black-legged Kittiwake. Sandvik, Hanno; Barrett, Robert T. Journal of Field Ornithology; Winter 2001; v.72, no.1, p.30-42.

Effect of melatonin on circadian rhythm, locomotor activity and body temperature in the intact house sparrow, Japanese quail and owl. Murakami, Noboru; Kawano, Takanori; Nakahara, Keiko; Nasu, Tetsuo; Shiota, Kunio. Brain Research; 19 January 2001; v.889, no.1-2, p.220-224.

Effect of natural and anthropogenic landscape matrices on the abundance of subandean bird species. Renjifo, Luis Miguel. Ecological Applications; February 2001; v.11, no.1, p.14-31.

Effect of plumage wear on field identification of White-naped Petrels, Pterodroma cervicalis. Miskelly, Colin M. Emu; 2001; v.101, no.2, p.167-168.

Effect of poor feather cover on feed intake and production of aged laying hens. Glatz, P. C. Asian-Australasian Journal of Animal Sciences; April 2001; v.14, no.4, p.553-558.

Effect of primary and secondary repellents on European starlings: An initial assessment. Sayre, Roger W.; Clark, Larry. Journal of Wildlife Management; July 2001; v.65, no.3, p.461-469.

Effect of river management on colonially-nesting waterbirds in the Barmah-Millewa forest, south-eastern Australia. Leslie, David J. Regulated Rivers Research & Management; January-February 2001; v.17, no.1, p.21-36.

Effect of short photoperiod on organ growth kinetics and serum hormone profile in pullets of domestic fowl, Gallus gallus domesticus. Dandekar, D. S.; Devkar, R. V.; Ramachandran, A. V. Indian Journal of Experimental Biology; March 2001; v.39, no.3, p.230-237.

Effect of slash-and-burn shifting cultivation on rainforest birds in Mizoram, northeast India. Raman, T. R. Shankar. Conservation Biology; June 2001; v.15, no.3, p.685-698.

Effect of social defeat in a territorial bird (Parus major) selected for different coping styles. Carere, Claudio; Welink, Diliana; Drent, Piet J.; Koolhaas, Jaap M.; Groothuis, Ton G. G. Physiology & Behavior; June 2001; v.73, no.3, p.427-433.

Effect of testosterone on the behaviour of Yellow-legged gulls (Larus cachinnans) in a high-density colony during the courtship period. Alonso-Alvarez, C.; Velando, A. Ethology Ecology & Evolution; December 2001; v.13, no.4, p.341-349.

Effect of the Ginkgo biloba extract, EGb 761, on memory formation in day-old chicks. Rickard, N. S.; Kowadlo, N.; Gibbs, M. E. Pharmacology Biochemistry and Behavior; July-August 2001; v.69, no.3-4, p.351-358.

Effect of the Ginkgo biloba extract, EGb 761, on memory formation in day-old chicks. Rickard, N. S.; Kowadlo, N.; Gibbs, M. E. Pharmacology Biochemistry and Behavior; July-August 2001; v.69, no.3-4, p.351-358.

Effect of water sanitation on broiler and layer performance. Prabakaran, R.; Muthusamy, P.; Jayaprasad, I. Alfred. Indian Veterinary Journal; August 2001; v.78, no.8, p.714-717.

Effect of wheat content, fat source and enzyme supplementation on diet metabolisability and broiler performance. Preston, C. M.; McCracken, K. J.; Bedford, M. R. British Poultry Science; December 2001; v.42, no.5, p.625-632.

Effectiveness of fire, disking, and herbicide to renovate tall fescue fields to northern bobwhite habitat. Madison, L. Andrew; Barnes, Thomas G.; Sole, Jeffery D. Wildlife Society Bulletin; Summer 2001; v.29, no.2, p.706-712.

Effects of a chemical weapons incineration plant on red-tailed tropicbirds. Schreiber, E. A.; Doherty, Paul F., Jr.; Schenk, Gary A. Journal of Wildlife Management; October 2001; v.65, no.4, p.685-695.

Effects of afforestation of pastures on bird abundance. Naddra, Rita; Nyberg, Dennis. Transactions of the Illinois State Academy of Science; 2001; v.94, no.4, p.243-250.

Effects of age, breeding experience, mate fidelity and site fidelity on breeding performance in a declining population of Cassin's auklets. Pyle, Peter; Sydeman, William J.; Hester, Michelle. Journal of Animal Ecology; November 2001; v.70, no.6, p.1088-1097.

Effects of age, cohort and individual on breeding performance in the Lapwing Vanellus vanellus. Parish, David M. B.; Thompson, Patrick S.; Coulson, John C. Ibis; April 2001; v.143, no.2, p.288-295.

Effects of agriculture development on vole dynamics and conservation of Montagu's harrier in western French wetlands. Butet, Alain; Leroux, Alain B. A. Biological Conservation; August 2001; v.100, no.3, p.289-295.

Effects of ambient temperature and restricted feeding on the growth of feathers in growing turkeys. Wylie, L. M.; Robertson, G. W.; Macleod, M. G.; Hocking, P. M. British Poultry Science; September 2001; v.42, no.4, p.449-455.

Effects of anthropogenic food sources on movements, survivorship, and sociality of Common Ravens in the arctic. Restani, Marco; Marzluff, John M.; Yates, Richard E. Condor; May 2001; v.103, no.2, p.399-404.

Effects of avian predation threat, water flow and cover on growth and habitat use by chub, Leuciscus cephalus, in an experimental stream. Allouche, Stephanie; Gaudin, Philippe. Oikos; September 2001; v.94, no.3, p.481-492.

Effects of begging on growth rates of nestling chicks. Rodriguez-Girones, Miguel A.; Zuniga, Jesus M.; Redondo, Tomas. Behavioral Ecology; May-June 2001; v.12, no.3, p.269-274.

Effects of binary mixtures of six xenobiotics on hormone concentrations and morphometric endpoints of northern bobwhite quail (Colinus virginianus). McMurry, C. Sills; Dickerson, Richard L. Chemosphere; May-June 2001; v.43, no.4-7, p.829-837.

Effects of binaural decorrelation on neural and behavioral processing of interaural level differences in the barn owl (Tyto alba). Egnor, S. E. Roian. Journal of Comparative Physiology A Sensory Neural and Behavioral Physiology; October 2001; v.187, no.8, p.589-595.

Effects of bird predation on some pest insect populations in corn. Tremblay, A.; Mineau, P.; Stewart, R. K. Agriculture Ecosystems & Environment; January 2001; v.83, no.1-2, p.143-152.

Effects of Brown-headed Cowbird on the nesting success of Chipping Sparrows in southwest Colorado. Ortega, Catherine P.; Ortega, Joseph C. Condor; February 2001; v.103, no.1, p.127-133.

Effects of cleaning a tidal river of sewage on gull numbers: A before-and-after study of the River Tyne, northeast England. Raven, Susan J.; Coulson, John C. Bird Study; March 2001; v.48, no.1, p.48-58.

Effects of color bands on Semipalmated Sandpipers banded at hatch. Bart, Jonathan; Battaglia, Daniel; Senner, Nathan. Journal of Field Ornithology; Autumn 2001; v.72, no.4, p.521-526.

Effects of conservation practice, mowing, and temporal changes on vegetation structure on CRP fields in northern Missouri. McCoy, Timothy D.; Kurzejeski, Eric W.; Burger, Loren W., Jr.; Ryan, Mark R. Wildlife Society Bulletin; Fall 2001; v.29, no.3, p.979-987.

Effects of demanding foraging conditions on cache retrieval accuracy in food-caching mountain chickadees (Poecile gambeli). Pravosudov, Vladimir V.; Clayton, Nicola S. Proceedings of the Royal Society Biological Sciences Series B; 22 February 2001; v.268, no.1465, p.363-368.

Effects of density on perching behavior of broiler chickens. Pettit-Riley, Rosemary; Estevez, Inma. Applied Animal Behaviour Science; 20 February 2001; v.71, no.2, p.127-140.

Effects of dietary formalin on the health and testicular pathology of male Japanese quails (Coturnix coturnix Japonica). Anwar, M. I.; Khan, M. Z.; Muhammad, G.; Bachaya, A.; Babar, A. M. Veterinary and Human Toxicology; December 2001; v.43, no.6, p.330-333.

Effects of different radio transmitter harnesses on the behavior of Florida Scrub-Jays. Bowman, Reed; Aborn, David A. Florida Field Naturalist; September 2001; v.29, no.3, p.81-86.

Effects of diquat, an aquatic herbicide, on the development of mallard embryos. Sewalk, Chester J.; Brewer, Gwenda L.; Hoffman, David J. Journal of Toxicology and Environmental Health Part A; January 12 2001; v.62, no.1, p.33-45.

Effects of duckling body condition on hunting vulnerability in juvenile and immature common eiders Somateria mollissima. Christensen, Thomas Kjaer. Wildlife Biology; June 2001; v.7, no.2, p.97-104.

Effects of duration and time of food availability on photoperiodic responses in the migratory male blackheaded bunting (Emberiza melanocephala). Kumar, Vinod; Singh, Sudhi; Misra, Manju; Malik, Shalie. Journal of Experimental Biology; August 2001; v.204, no.16, p.2843-2848.

Effects of economic prosperity on numbers of threatened species. Naidoo, Robin; Adamowicz, Wiktor L. Conservation Biology; August 2001; v.15, no.4, p.1021-1029.

Effects of experience and social context on prospective caching strategies by scrub jays. Emery, N. J.; Clayton, N. S. Nature (London); 22 November 2001; v.414, no.6862, p.443-446.

Effects of feeding corticosterone and housing conditions on feather pecking in laying hens (Gallus gallus domesticus). El-lethey, H.; Jungi, T. W.; Huber-Eicher, B. Physiology & Behavior; May 2001; v.73, no.1-2, p.243-251.

Effects of food availability on the distribution of migratory warblers among habitats in Jamaica. Johnson, Matthew D.; Sherry, Thomas W. Journal of Animal Ecology; July 2001; v.70, no.4, p.546-560.

Effects of forest edges on Ovenbird demography in a managed forest landscape. Flaspohler, David J.; Temple, Stanley A.; Rosenfield, Robert N. Conservation Biology; February 2001; v.15, no.1, p.173-183.

Effects of forest fragmentation on birds of the cerrado region, Brazil. Marini, Miguel A. Bird Conservation International; March 2001; v.11, no.1, p.13-25.

Effects of global climate change on geographic distributions of Mexican Cracidae. Peterson, A. Townsend; Sanchez-Cordero, Victor; Soberon, Jorge; Bartley, Jeremy; Buddemeier, Robert W.; Navarro-Siguenza, Adolfo G. Ecological Modelling; 1 October 2001; v.144, no.1, p.21-30.

Effects of group-selection opening size on breeding bird habitat use in a bottomland forest. Moorman, Christopher E.; Guynn, David C., Jr. Ecological Applications; December 2001; v.11, no.6, p.1680-1691.

Effects of gull predation and weather on survival of emperor goose goslings. Schmutz, Joel A.; Manly, Bryan F. J.; Dau, Christian P. Journal of Wildlife Management; April 2001; v.65, no.2, p.248-257.

Effects of gypsy moth defoliation on forest birds: An assessment using breeding bird census data. Gale, George A.; DeCecco, Jennifer A.; Marshall, Matthew R.; McClain, W. Russ; Cooper, Robert J. Journal of Field Ornithology; Spring 2001; v.72, no.2, p.291-304.

Effects of habitat fragmentation on pairing success of Ovenbirds: Importance of male age and floater behavior. Bayne, Erin M.; Hobson, Keith A. Auk; April 2001; v.118, no.2, p.380-388.

Effects of habitat, burial, age and passage through birds on germination and establishment of Chinese tallow tree in coastal South Carolina. Renne, Ian J.; Spira, Timothy P.; Bridges, W. C., Jr. Journal of the Torrey Botanical Society; April-June 2001; v.128, no.2, p.109-119.

Effects of handling stress on Brunnich's Guillemots Uria lomvia. Wilson, Linda J.; Gaston, Anthony J. Ringing & Migration; November 2001; v.20, no.4, p.320-327.

Effects of harvesting timber stands on goshawk nesting in two European areas. Penteriani, Vincenzo; Faivre, Bruno. Biological Conservation; October 2001; v.101, no.2, p.211-216.

Effects of hippocampal lesions on repeated acquisition of spatial discrimination in pigeons. Watanabe, Shigeru. Behavioural Brain Research; 8 April 2001; v.120, no.1, p.59-66.

Effects of human activity on the structure of coastal marine bird assemblages in central Chile. Cornelius, Cintia; Navarrete, Sergio A.; Marquet, Pablo A. Conservation Biology; October 2001; v.15, no.5, p.1396-1404.

Effects of human approaches to nests of northern New Zealand dotterels. Lord, Andrea; Waas, Joseph R.; Innes, John; Whittingham, Mark J. Biological Conservation; April 2001; v.98, no.2, p.233-240.

Effects of humidity on reproductive behavior in male and female zebra finches (Taeniopygia guttata). Cynx, Jeffrey. Journal of Comparative Psychology; June 2001; v.115, no.2, p.196-200.

Effects of hunting and hunting-hour extension on mourning dove foraging and physiology. Roy, Charlotte; Woolf, Alan. Journal of Wildlife Management; October 2001; v.65, no.4, p.808-815.

Effects of including non-breeding bird species on predicted bird distributions for conservation planning in New Mexico. Thompson, Bruce C.; Hughes, Mary Ann; Anderson, Mark C. Biological Conservation; August 2001; v.100, no.2, p.229-242.

Effects of land use on nest predation: An experimental study in Spanish croplands. Pescador, Moises; Peris, Salvador. Folia Zoologica; 2001; v.50, no.2, p.127-136.

Effects of landscape spatial structure and composition on the settlement of the Eagle Owl Bubo bubo in a Mediterranean habitat. Penteriani, Vincenzo; Gallardo, Max; Roche, Philip; Cazassus, Helene. Ardea; 2001; v.89, no.2, p.331-340.

Effects of latitude on the trade-off between reproduction and moult: A long-term study with pied flycatcher. Hemborg, Christer; Sanz, Juan Jose; Lundberg, Arne. Oecologia (Berlin); October 2001; v.129, no.2, p.206-212.

Effects of long-term exercise on the biomechanical properties of the Achilles tendon of guinea fowl. Buchanan, Cindy I.; Marsh, Richard L. Journal of Applied Physiology; January 2001; v.90, no.1, p.164-171.

Effects of magnetic field intensities for various lengths of time on orientation of fowl spermatozoa. Pham, Du Ngoc; Shinjo, Akihisa; Sunagawa, Katsunori. Asian-Australasian Journal of Animal Sciences; October 2001; v.14, no.10, p.1367-1373.

Effects of mammalian predator removal on production of upland-nesting ducks in North Dakota. Garrettson, Pamela R.; Rohwer, Frank C. Journal of Wildlife Management; July 2001; v.65, no.3, p.398-405.

Effects of management on seed predation in wildflower strips in northern Switzerland. Kollmann, Johannes; Bassin, Seraina. Agriculture Ecosystems & Environment; February 2001; v.83, no.3, p.285-296.

Effects of migratory geese on plant communities of an Alaskan salt marsh. Zacheis, Amy; Hupp, Jerry W.; Ruess, Roger W. Journal of Ecology; February 2001; v.89, no.1, p.57-71.

Effects of military activity on reproductive success of Red-cockaded Woodpeckers. Doresky, John; Morgan, Ken; Ragsdale, Laura; Townsend, Howard; Barron, Michael; West, Mark. Journal of Field Ornithology; Spring 2001; v.72, no.2, p.305-311.

Effects of nest dimensions on use of artificial burrow systems by burrowing owls. Smith, Brian W.; Belthoff, James R. Journal of Wildlife Management; April 2001; v.65, no.2, p.318-326.

Effects of nest visits on predator activity and predation rate in a Greater Snow Goose colony. Bety, Joel; Gauthier, Gilles. Journal of Field Ornithology; Autumn 2001; v.72, no.4, p.573-586.

Effects of photoperiod alterations on adrenocortical, pineal and gonadal activity in nocturnal bird, Athene brama and diurnal bird,

Effects of piscivory on the fatty acid profiles and antioxidants of avian yolk: Studies on eggs of the gannet, skua, pelican and cormorant. Surai, Peter F.; Bortolotti, Gary R.; Fidgett, Andrea L.; Blount, Jonathan D.; Speake, Brian K. Journal of Zoology (London); November 2001; v.255, no.3, p.305-312.

Effects of predation on community assembly and spatial dispersion of breeding forest birds. Forsman, Jukka T.; Monkkonen, Mikko; Hukkanen, Markku. Ecology (Washington D C); January 2001; v.82, no.1, p.232-244.

Effects of resource allocation on behavioral strategies: A comparison of red junglefowl (Gallus gallus) and two domesticated breeds of poultry. Schutz, Karin E.; Jensen, Per. Ethology; August 2001; v.107, no.8, p.753-765.

Effects of roads on movements by understory birds in mixed-species flocks in central Amazonian Brazil. Develey, Pedro F.; Stouffer, Philip C. Conservation Biology; October 2001; v.15, no.5, p.1416-1422.

Effects of season on kidney morphology in house sparrows. Casotti, Giovanni. Journal of Experimental Biology; March 2001; v.204, no.6, p.1201-1206.

Effects of seed dispersal on Juniperus communis recruitment on a Mediterranean mountain. Garcia, Daniel. Journal of Vegetation Science; December 2001; v.12, no.6, p.839-848.

Effects of selection cutting and landscape-scale harvesting on the reproductive success of two Neotropical migrant bird species. Bourque, Julie; Villard, Marc-Andre. Conservation Biology; February 2001; v.15, no.1, p.184-195.

Effects of sequential respondings on spatial delayed matching-to-sample in pigeons (Columba livia). Yamazaki, Yumiko; Sato, Masaya. Psychological Record; Spring 2001; v.51, no.2, p.271-285.

Effects of snow cover on the social and foraging behavior of the great tit Parus major. Nakamura, Masahiko; Shindo, Noriko. Ecological Research; June 2001; v.16, no.2, p.301-308.

Effects of spatial and host variables on hematozoa in white-crowned sparrows wintering in Baja California. Blanco, Guillermo; Rodriguez-Estrella, Ricardo; Merino, Santiago; Bertellotti, Marcelo. Journal of Wildlife Diseases; October 2001; v.37, no.4, p.786-790.

Effects of stand-replacement fire and salvage logging on a cavity-nesting bird community in eastern Cascades, Washington. Haggard, Maryellen; Gaines, William L. Northwest Science; Fall 2001; v.75, no.4, p.387-396.

Effects of structural marsh management and winter burning on plant and bird communities during summer in the Gulf Coast Chenier Plain. Gabrey, Steven W.; Afton, Alan D.; Wilson, Barry C.

Effects of supplemental calcium on the growth rate of an insectivorous bird, the purple martin (Progne subis). Poulin, Ray G.; Brigham, R. Mark. Ecoscience; 2001; v.8, no.2, p.151-156.

Effects of supplemental food on parental-care strategies and juvenile survival of Northern Goshawks. Dewey, Sarah R.; Kennedy, Patricia L. Auk; April 2001; v.118, no.2, p.352-365.

Effects of supplementary feeding and artificial twinning on nestling growth and survival in Australasian Gannets (Morus serrator). Bunce, Ashley. Emu; 2001; v.101, no.2, p.157-162.

Effects of territory quality, food availability and sibling competition on the fledging success of

Effects of testosterone and photoperiodic condition on song production and vocal control region volumes in adult male dark-eyed

Effects of testosterone implants on pair behaviour during incubation in the Yellow-legged Gull Larus cachinnans. Alonso-Alvarez, Carlos. Journal of Avian Biology; December 2001; v.32, no.4, p.326-332.

Effects of the temporal predictability and spatial clumping of food on the intensity of competitive aggression in the Zenaida dove. Goldberg, Joanna L.; Grant, James W. A.; Lefebvre, Louis. Behavioral Ecology; July-Aug. 2001; v.12, no.4, p.490-495.

Effects of tillage on lead shot distribution in wetland sediments. Thomas, Carmen M.; Mensik, John G.; Feldheim, Cliff L. Journal of Wildlife Management; January 2001; v.65, no.1, p.40-46.

Effects of tsetse targets on mammals and birds in Kasungu National Park, Malawi. De Garine-Wichatitsky, Michel; Cheke, Robert A.; Lazaro, Davie. Biodiversity and Conservation; June 2001; v.10, no.6, p.869-891.

Effects of urbanization on nest site selection and nesting success of the Greenfinch Carduelis chloris in Krotoszyn, Poland. Kosinski, Ziemowit. Ornis Fennica; 2001; v.78, no.4, p.175-183.

Effects of varying rates of autumn fertilizer applications to pastures in eastern England on feeding sites selection by brent geese Branta b. bernicla. Hassall, Mark; Lane, Simon J. Agriculture Ecosystems & Environment; August 2001; v.86, no.2, p.203-209.

Effects of vitamin C and vitamin E on performance, digestion of nutrients and carcass characteristics of Japanese quails reared under chronic heat stress (34 degreeC). Sahin, K.; Kucuk, O. Journal of Animal Physiology and Animal Nutrition; December 2001; v.85, no.11-12, p.335-341.

Effects of water level changes and wading bird abundance on the foraging behaviour of blacknecked storks Ephippiorhynchus asiaticus in Dudwa National Park, India. Maheswaran, Gopinathan; Rahmani, Asad R. Journal of Biosciences (Bangalore); September 2001; v.26, no.3, p.373-382.

Effects of waterbirds on water quality. Mukherjee, Aeshita; Borad, C. K. Hydrobiologia; 15 November 2001; no.464, p.201-205.

Effects of weather on activity and sleep in brooding king penguins (Aptenodytes patagonicus). Dewasmes, G.; Cote, S. D.; Le Maho, Y.; Groscolas, R.; Robin, J. P.; Vardon, G.; Libert, J. P. Polar Biology; July 2001; v.24, no.7, p.508-511.

Efficacy of praziquantel in treating natural schistosome infections in common mergansers. Blankespoor, C. L.; Reimink, R. L.; Blankespoor, H. D. Journal of Parasitology; April 2001; v.87, no.2, p.424-426.

Efficiency of thermoregulation in precocial avian species during the prenatal period. Nichelmann, M.; Janke, O.; Tzschentke, B. Journal of Thermal Biology; September 2001; v.26, no.4-5, p.273-280.

Efficient copulation and the evolutionary loss of the avian intromittent organ. Briskie, James V.; Montgomerie, Robert. Journal of Avian Biology; June 2001; v.32, no.2, p.184-187.

Egg colour matching in an African cuckoo, as revealed by ultraviolet-visible reflectance spectrophotometry. Cherry, Michael I.; Bennett, Andrew T. D. Proceedings of the Royal Society Biological Sciences Series B; 22 March 2001; v.268, no.1467, p.565-571.

Egg discrimination in the Australian reed warbler (Acrocephalus australis): Rejection response toward model and conspecific eggs depending on timing and mode of artificial parasitism. Welbergen, Justin; Komdeur, Jan; Kats, Romke; Berg, Mathew. Behavioral Ecology; Jan.-Feb. 2001; v.12, no.1, p.8-15.

Egg hatchability increases with colony size in Cliff Swallows. Brown, Charles R.; Brown, Mary Bomberger. Journal of Field Ornithology; Winter 2001; v.72, no.1, p.113-123.

Egg production of Red and Blue Neck ostriches under European farming conditions. Horbanczuk, J. O.; Sales, J. Archiv fuer Gefluegelkunde; Dezember 2001; v.65, no.6, p.281-283.

Egg size variation in the Collared Flycatcher Ficedula albicollis in the Bialowieza Forest (NE Poland). Mitrus, Cezary; Rogala, Beata. Acta Ornithologica (Warsaw); Summer 2001; v.36, no.1, p.7-12.

Egg size, body size, locomotion, and feeding performance in captive King Eider ducklings. Anderson, Vanessa R.; Alisauskas, Ray T. Condor; February 2001; v.103, no.1, p.195-199.

Egg size, incubation periods and hatching success of Little Penguins, Eudyptula minor. Kemp, A.; Dann, P. Emu; 2001; v.101, no.3, p.249-253.

Eggshell characteristics and calcium demands of a migratory songbird breeding in two New England forests. Taliaferro, E. Hank; Holmes, Richard T.; Blum, Joel D. Wilson Bulletin; March 2001; v.113, no.1, p.94-100.

Ejaculate allocation by male sand martins, Riparia riparia. Nicholls, E. H.; Burke, T.; Birkhead, T. R. Proceedings of the Royal Society Biological Sciences Series B; 22 June 2001; v.268, no.1473, p.1265-1270.

Electric-utility structures associated with raptor electrocutions in rural areas. Harness, Richard E.; Wilson, Kenneth R. Wildlife Society Bulletin; Summer 2001; v.29, no.2, p.612-623.

Electrocardiogram reference values for the buzzard in Spain. Espino, Luciano; Suarez, Maria L.; Lopez-Beceiro, Ana; Santamarina, German. Journal of Wildlife Diseases; October 2001; v.37, no.4, p.680-685.

Electrocardiography, heart rates, and heart weights of free-living birds. Machida, Noboru; Aohagi, Yoshiyuki. Journal of Zoo and Wildlife Medicine; March 2001; v.32, no.1, p.47-54.

Elements of episodic-like memory in animals. Clayton, N. S.; Griffiths, D. P.; Emery, N. J.; Dickinson, A. Philosophical Transactions of the Royal Society of London B Biological Sciences; 29 September 2001; v.356, no.1413, p.1483-1491.

Elements of episodic-like memory in animals. Clayton, N. S.; Griffiths, D. P.; Emery, N. J.; Dickinson, A. Philosophical Transactions of the Royal Society of London B Biological Sciences; 29 September 2001; v.356, no.1413, p.1483-1491.

Elevated rates of nonsynonymous substitution in island birds. Johnson, Kevin P.; Seger, Jon. Molecular Biology and Evolution; May 2001; v.18, no.5, p.874-881.

Elucidating population structure in the Long-tailed Wagtail Motacilla clara: The use of the space-time diagram. Piper, S. E. Ardea; 2001; v.89, no.1 Special Issue, p.113-122.

Embryonic development of the American Kestrel (Falco sparverius): External criteria for staging. Pisenti, J. M.; Santolo, G. M.; Yamamoto, J. T.; Morzenti, A. A. Journal of Raptor Research; September 2001; v.35, no.3, p.194-206.

Emergence of influenza A viruses. Webby, R. J.; Webster, R. G. Philosophical Transactions of the Royal Society of London B Biological Sciences; 29 December 2001; v.356, no.1416, p.1817-1828.

Emperor penguins and climate change. Barbraud, Christophe; Weimerskirch, Henri. Nature (London); 10 may 2001; v.411, no.6834, p.183-186.

Empirical validation of a method for umbrella species selection. Fleishman, Erica; Blair, Robert B.; Murphy, Dennis D. Ecological Applications; October 2001; v.11, no.5, p.1489-1501.

Emu; 2001; v.101, no.1, p.33-37.

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Encephalitis virus persistence in California birds: Preliminary studies with house finches. Reisen, William K.; Kramer, Laura D.; Chiles, Robert E.; Green, Emily-Gene N.; Martinez, Vincent M. Journal of Medical Entomology; May 2001; v.38, no.3, p.393-399.

Encoding of both vertical and horizontal disparity in random-dot stereograms by Wulst neurons of awake barn owls. Nieder, Andreas; Wagner, Hermann. Visual Neuroscience; July-August 2001; v.18, no.4, p.541-547.

Encoding of geometric and landmark information in the left and right hemispheres of the avian brain. Tommasi, Luca; Vallortigara, Giorgio. Behavioral Neuroscience; June 2001; v.115, no.3, p.602-613.

Enemy recognition by Field Sparrows. Burhans, Dirk E. Wilson Bulletin; June 2001; v.113, no.2, p.189-193.

Energetic and fitness costs of mismatching resource supply and demand in seasonally breeding birds. Thomas, Donald W.; Blondel, Jacques; Perret, Philippe; Lambrechts, Marcel M.; Speakman, John R. Science (Washington D C); 30 March 2001; v.291, no.5513, p.2598-2600.

Energetic cost of foraging in free-diving emperor penguins. Nagy, Kenneth A.; Kooyman, Gerald L.; Ponganis, Paul J. Physiological and Biochemical Zoology; July-August 2001; v.74, no.4, p.541-547.

Energy characteristics and consumption of several seeds recommended for northern bobwhite food plantings. Madison, L. Andrew; Robel, Robert J. Wildlife Society Bulletin; Winter 2001; v.29, no.4, p.1219-1227.

Energy expenditure and water flux of free-living Dune Larks in the Namib: A test of the reallocation hypothesis on a desert bird. Williams, J. B. Functional Ecology; April 2001; v.15, no.2, p.175-185.

Energy metabolizability and nutrient digestibility in the Black-billed Magpie Pica pica. Harper, E. Jean; Clark, Colette; Macdonald, David W. Ibis; April 2001; v.143, no.2, p.216-221.

Enhanced success of California Gulls nesting in enclosures. Jehl, Joseph R., Jr. Waterbirds; April 2001; v.24, no.1, p.133-136.

Enteritis as a cause of mortality in the western bluebird (Sialia mexicana). Bildfell, R. J.; Eltzroth, E. K.; Songer, J. G. Avian Diseases; July-September 2001; v.45, no.3, p.760-763.

Entraining the natural frequencies of running and breathing in guinea fowl (Numida meleagris). Nassar, Peter N.; Jackson, Andrew C.; Carrier, David R. Journal of Experimental Biology; May 2001; v.204, no.9, p.1641-1651.

Environmental determinants of distribution and foraging behaviour of cormorants (Phalacrocorax spp.) in temperate estuarine habitats. Dorfman, Eric J.; Kingsford, Michael J. Marine Biology (Berlin); January 2001; v.138, no.1, p.1-10.

Environmental factors influencing bird species diversity in Kenya. Oindo, Boniface O.; de By, Rolf A.; Skidmore, Andrew K. African Journal of Ecology; September 2001; v.39, no.3, p.295-302.

Environmental impacts of nitrogen and phosphorus cycling in grassland systems. Watson, C. J.; Foy, R. H. Outlook on Agriculture; June 2001; v.30, no.2, p.117-127.

Environmental survey of salmonella and comparison of genotypic character with human isolates in Western Japan. Murakami, K.; Horikawa, K.; Ito, T.; Otsuki, K. Epidemiology and Infection; April 2001; v.126, no.2, p.159-171.

Epidermoptid mange in Laysan albatross fledglings in Hawaii. Gilardi, Kirsten V. K.; Gilardi, James D.; Frank, Anthony; Goff, M. Lee; Boyce, Walter M. Journal of Wildlife Diseases; January 2001; v.37, no.1, p.185-188.

Episodic-like memory in pigeons. Zentall, Thomas R.; Clement, Tricia S.; Bhatt, Ramesh S.; Allen, Jessica. Psychonomic Bulletin & Review; December 2001; v.8, no.4, p.685-690.

Eradication of alien predators in the Seychelles: An example of conservation action on tropical islands. Shah, Nirmal Jivan. Biodiversity and Conservation; July 2001; v.10, no.7, p.1219-1220.

Errors in pigeons' memory for number of events. Santi, Angelo; Hope, Chris. Animal Learning & Behavior; August 2001; v.29, no.3, p.208-220.

Escape flight in moulting Tree Sparrows (Passer montanus). Lind, J. Functional Ecology; February 2001; v.15, no.1, p.29-35.

Establishment of a breeding population of Canada Geese in southern Quebec. Giroux, Jean-Francois; Lefebvre, Josee; Belanger, Luc; Rodrigue, Jean; Lapointe, Stephane. Canadian Field-Naturalist; January-March 2001; v.115, no.1, p.75-81.

Establishment of a chick embryo shell-less culture system and its use to observe change in behavior caused by nicotine and substances from cigarette smoke. Hamamichi, Shusei; Nishigori, Hideo. Toxicology Letters (Shannon); February 28th 2001; v.119, no.2, p.95-102.

Establishment patterns of exotic birds are constrained by non-random patterns in introduction. Blackburn, Tim M.; Duncan, Richard P. Journal of Biogeography; July 2001; v.28, no.7, p.927-939.

Estimates of the genetic variability in a natural population of Bare-faced Curassow Crax fasciolata (Aves, Galliformes, Cracidae). Pereira, Sergio Luiz; Wajntal, Anita. Bird Conservation International; December 2001; v.11, no.4, p.301-308.

Estimating abundance of breeding mottled ducks in Texas. Ballard, Bart M.; Merendino, M. Todd; Terry, Russel H.; Tacha, Thomas C. Wildlife Society Bulletin; Winter 2001; v.29, no.4, p.1186-1192.

Estimating impacts of poison operations using mark-recapture analysis and population viability analysis: An example with New Zealand robins (Petroica australis). Armstrong, Doug P.; Ewen, John G. New Zealand Journal of Ecology; February 2001; v.25, no.1, p.29-38.

Estimating repeatability of egg size. Flint, Paul L.; Rockwell, Robert F.; Sedinger, James S. Auk; April 2001; v.118, no.2, p.500-503.

Estimating survival from joint analysis of resighting and radiotelemetry capture-recapture data for wild animals. Nasution, Marlina D.; Brownie, Cavell; Pollock, Kenneth H.; Bennetts, Robert E. Journal of Agricultural Biological and Environmental Statistics; December 2001; v.6, no.4, p.461-478.

Estimating the breeding population of Booted Eagles in the Cape Province, South Africa. Pepler, David; Martin, Rob; van Hensbergen, Hubertus J. Journal of Raptor Research; March 2001; v.35, no.1, p.15-19.

Estimating the total number of birds using a staging site. Frederiksen, Morten; Fox, Anthony D.; Madsen, Jesper; Colhoun, Kendrew. Journal of Wildlife Management; April 2001; v.65, no.2, p.282-289.

Estimation and limitation of numbers of floaters in a Eurasian Sparrowhawk population. Newton, Ian; Rothery, Peter. Ibis; July 2001; v.143, no.3, p.442-449.

Estimation of brood and nest survival: Comparative methods in the presence of heterogeneity. Manly, Bryan F. J.; Schmutz, Joel A. Journal of Wildlife Management; April 2001; v.65, no.2, p.258-270.

Estimation of total numbers of Pied Avocets Recurvirostra avosetta using a moulting site in the Danish Wadden Sea. Hoetker, Hermann; Frederiksen, Morten. Ardea; 2001; v.89, no.3, p.537-541.

Estrogen synthesis in the male brain triggers development of the avian song control pathway in vitro. Holloway, Carl Clayton; Clayton, David F. Nature Neuroscience; Febrauary 2001; v.4, no.2, p.170-175.

Ethological concepts revisited: Immediate early gene induction in response to sexual stimuli in birds. Ball, Gregory F.; Balthazart, Jacques. Brain Behavior and Evolution; May 2001; v.57, no.5, p.252-270.

Eucalyptus pollen grain emptying by two Australian nectarivorous psittacines. Gartrell, B. D.; Jones, S. M. Journal of Avian Biology; September 2001; v.32, no.3, p.224-230.

Eunectes murinus (green anaconda). Rivas, Jesus A.; Owens, Renee Y.; Calle, Paul. Herpetological Review; June 2001; v.32, no.2, p.107-108.

Eunectes murinus (green anaconda). Rivas, Jesus A.; Owens, Renee Y.; Calle, Paul. Herpetological Review; June 2001; v.32, no.2, p.107-108.

Eurasian Oystercatcher nesting in a greenhouse. Lynch, Bruce M. Scottish Birds; June 2001; v.22, no.1, p.64.

Evaluating completeness of species lists for conservation and macroecology: A case study of Mexican land birds. Gomez De Silva, Hector; Medellin, Rodrigo A. Conservation Biology; October 2001; v.15, no.5, p.1384-1395.

Evaluating herbivore extinction probabilities in Addo Elephant National Park, South Africa. Knight, M. H.; Kshatriya, M.; Van Jaarsveld, A. S.; Nicholls, A. O.; Hall-Martin, A. J. African Zoology; April 2001; v.36, no.1, p.13-22.

Evaluating the California Gnatcatcher as an umbrella species for conservation of southern California coastal sage scrub. Rubinoff, Daniel. Conservation Biology; October 2001; v.15, no.5, p.1374-1383.

Evaluating the effectiveness of predator control: The non-native red fox as a case study. Harding, Elaine K.; Doak, Daniel F.; Albertson, Joy D. Conservation Biology; August 2001; v.15, no.4, p.1114-1122.

Evaluating the effects of ecosystem management: A case study in a Missouri Ozark forest. Gram, Wendy K.; Sork, Victoria L.; Marquis, Robert J.; Renken, Rochelle B.; Clawson, Richard L.; Faaborg, John; Fantz, Debra K.; Le Corff, Josiane; Lill, John; Porneluzi, Paul A. Ecological Applications; December 2001; v.11, no.6, p.1667-1679.

Evaluating the severity of the population bottleneck in the Mauritius kestrel Falco punctatus from ringing records using MCMC estimation. Groombridge, Jim J.; Bruford, Michael W.; Jones, Carl G.; Nichols, Richard A. Journal of Animal Ecology; May 2001; v.70, no.3, p.401-409.

Evaluation of different duck varieties for the control of the golden apple snail (Pomacea canaliculata) in transplanted and direct seeded rice. Teo, Su Sin. Crop Protection; August 2001; v.20, no.7, p.599-604.

Evaluation of exodus rates of differently marked wood duck ducklings from nest boxes. Davis, J. Brian; Leopold, Bruce D.; Kaminski, Richard M. Wildlife Society Bulletin; Winter 2001; v.29, no.4, p.1206-1211.

Evaluation of mirrors to deter nesting starlings. Seamans, Thomas W.; Lovell, Charles D.; Dolbeer, Richard A.; Cepek, Jonathon D. Wildlife Society Bulletin; Winter 2001; v.29, no.4, p.1061-1066.

Evaluation of nutritional value of hulled and naked oats in feeding reproductive quails. Szczerbinska, Danuta; Piech, M.; Danczak, Alicja; Tarasewicz, Zofia; Ligocki, M. Archiv fuer Gefluegelkunde; Dezember 2001; v.65, no.6, p.269-273.

Evaluation of radio transmitters for measuring chick mortality in the Banded Dotterel. Keedwell, Rachel. Waterbirds; August 2001; v.24, no.2, p.217-223.

Evaluation of some carbohydrates metabolism parameters in blood of Japanese quails (Coturnix coturnix japonica). Babonas, J.; Butkauskas, D. Baltic Journal of Laboratory Animal Science; 2001; v.11, no.1, p.11-16.

Evaluation of the impact of time of day, weather, vegetation density and bird movements on outcomes of area searches for birds in eucalypt forests of south-western Australia. Craig, Michael D.; Roberts, J. Dale. Wildlife Research; 2001; v.28, no.1, p.33-39.

Evening Grosbeak: Coccothraustes vespertinus. Gillihan, Scott W.; Byers, Bruce. Birds of North America; 2001; no.599, p.1-23.

Evening mist-net closure: Implications for data collection and bird welfare. Sorace, A.; Gustin, M.; Landucci, G. Ringing & Migration; November 2001; v.20, no.4, p.371-376.

Evidence for a conceptual account of same-different discrimination learning in the pigeon. Young, Michael E.; Wasserman, Edward A. Psychonomic Bulletin & Review; December 2001; v.8, no.4, p.677-684.

Evidence for long-distance dispersal in a sedentary passerine, Gymnorhina tibicen (Artamidae). Baker, Andrew M.; Mather, Peter B.; Hughes, Jane M. Biological Journal of the Linnean Society; February 2001; v.72, no.2, p.333-343.

Evidence for spatial regularity among retinal ganglion cells that project to the accessory optic system in a frog, a reptile, a bird, and a

Evidence of American woodcock nesting in southeastern North Dakota. Sargeant, Felicia Y.; Sargeant, Glen A. Prairie Naturalist; March 2001; v.33, no.1, p.45-47.

Evidence of an indirect dispersal pathway for Spotted Knapweed, Centaurea maculosa, seeds, via Deer Mice, Peromyscus maniculatus, and Great Horned Owls, Bubo virginianus. Pearson, Dean E.; Ortega, Yvette K. Canadian Field-Naturalist; April-June 2001; v.115, no.2, p.354.

Evidence of ehrlichiosis agents found in ticks (Acari: Ixodidae) collected from migratory birds. Alekseev, Andrey N.; Dubinina, Helen V.; Semenov, Aleksander V.; Bolshakov, Cazimir V. Journal of Medical Entomology; July 2001; v.38, no.4, p.471-474.

Evidence of intra-specific competition for food in a pelagic seabird. Lewis, S.; Sherratt, T. N.; Hamer, K. C.; Wanless, S. Nature (London); 23 August 2001; v.412, no.6849, p.816-819.

Evidence of oxidative stress in American kestrels exposed to electromagnetic fields. Fernie, Kimberly J.; Bird, David M. Environmental Research; June 2001; v.86, no.2, p.198-207.

Evolution not all at sea. Von Hippel, Frank A. Journal of Biogeography; May 2001; v.28, no.5, p.673.

Evolution of bird song: Male and female response to song innovation in swamp sparrows. Nowicki, Stephen; Searcy, William A.; Hughes, Melissa; Podos, Jeffrey. Animal Behaviour; December 2001; v.62, no.6, p.1189-1195.

Evolution of bird song: Male and female response to song innovation in swamp sparrows. Nowicki, Stephen; Searcy, William A.; Hughes, Melissa; Podos, Jeffrey. Animal Behaviour; December 2001; v.62, no.6, p.1189-1195.

Evolution of the mitochondrial DNA control region and cytochrome b genes and the inference of phylogenetic relationships in the avian genus Lophura (Galliformes). Randi, Ettore; Lucchini, Vittorio; Hennache, Alain; Kimball, Rebecca T.; Braun, Edward L.; Ligon, J. David. Molecular Phylogenetics and Evolution; May 2001; v.19, no.2, p.187-201.

Evolutionary genetics: The evolution of plumage patterns. Price, Trevor; Bontrager, Alexa. Current Biology; 15 May 2001; v.11, no.10, p.R405-R408.

Evolutionary implications of divergent clines in an avian (Manacus: Aves) hybrid zone. Brumfield, Robb T.; Jernigan, Robert W.; McDonald, David B.; Braun, Michael J. Evolution; October 2001; v.55, no.10, p.2070-2087.

Evolutionary morphology of the neck system in ratites, fowl and waterfowl. Van Der Leeuw, Angelique H. J.; Bout, Ron G.; Zweers, Gart A. Netherlands Journal of Zoology; June 2001; v.51, no.2, p.243-262.

Excreted metabolites of gonadal steroid hormones and corticosterone in greylag geese (Anser anser) from hatching to fledging. Frigerio, Didone; Moestl, Erich; Kotrschal, Kurt. General and Comparative Endocrinology; November 2001; v.124, no.2, p.246-255.

Exercise training lowers the resting metabolic rate of Zebra Finches, Taeniopygia guttata. Nudds, R. L.; Bryant, D. M. Functional Ecology; August 2001; v.15, no.4, p.458-464.

Exercise training lowers the resting metabolic rate of Zebra Finches, Taeniopygia guttata. Nudds, R. L.; Bryant, D. M. Functional Ecology; August 2001; v.15, no.4, p.458-464.

Experience modulates emission of food calls in broody hens. Wauters, Aline-Marie; Richard-Yris, Marie-Annick. Comptes Rendus de l'Academie des Sciences Serie III Sciences de la Vie; Novembre 2001; v.324, no.11, p.1021-1027.

Experimental confirmation of the polygyny threshold model for red-winged blackbirds. Pribil, Stanislav; Searcy, William A. Proceedings of the Royal Society Biological Sciences Series B; 7 August 2001; v.268, no.1476, p.1643-1646.

Experimental demonstration of the insurance value of extra eggs in an obligately siblicidal seabird. Clifford, L. D.; Anderson, D. J. Behavioral Ecology; May-June 2001; v.12, no.3, p.340-347.

Experimental evidence for effects of human disturbance on foraging and parental care in oystercatchers. Verhulst, S.; Oosterbeek, K.; Ens, B. J. Biological Conservation; October 2001; v.101, no.3, p.375-380.

Experimental evidence for kin-biased helping in a cooperatively breeding vertebrate. Russell, Andrew F.; Hatchwell, Ben J. Proceedings of the Royal Society Biological Sciences Series B; 22 October 2001; v.268, no.1481, p.2169-2174.

Experimental evidence of environmental effects on age-specific reproductive success: The importance of resource quality. Part, Tomas. Proceedings of the Royal Society Biological Sciences Series B; 7 November 2001; v.268, no.1482, p.2267-2271.

Experimental evidence of environmental effects on age-specific reproductive success: The importance of resource quality. Part, Tomas. Proceedings of the Royal Society Biological Sciences Series B; 7 November 2001; v.268, no.1482, p.2267-2271.

Experimental increase of predation risk induces breeding dispersal of Tengmalm's owl. Hakkarainen, Harri; Ilmonen, Petteri; Koivunen, Vesa; Korpimaki, Erkki. Oecologia (Berlin); February 2001; v.126, no.3, p.355-359.

Experimental inoculation of European starlings (Sturnus vulgaris) and American crows (Corvus brachyrhynchos) with Mycobacterium bovis. Butler, K. L.; Fitzgerald, S. D.; Berry, D. E.; Church, S. V.; Reed, W. M.; Kaneene, J. B. Avian Diseases; July-September 2001; v.45, no.3, p.709-718.

Experimental manipulation of female reproduction reveals an intraspecific egg size-clutch size trade-off. Williams, T. D. Proceedings of the Royal Society Biological Sciences Series B; 22 February 2001; v.268, no.1465, p.423-428.

Experimental manipulation of plant density and its effect on pollination and reproduction of twoconfamilial montane herbs. Bosch, Maria; Waser, Nickolas M. Oecologia (Berlin); January 2001; v.126, no.1, p.76-83.

Experimental removal of introduced hedgehogs improves wader nest success in the Western Isles, Scotland.

Experimental removal of strong and weak predators: Mice and chipmunks preying on songbird nests. Schmidt, K. A.; Goheen, J. R.; Naumann, R.; Ostfeld, R. S.; Schauber, E. M.; Berkowitz, Alan. Ecology (Washington D C); October 2001; v.82, no.10, p.2927-2936.

Experimental support for a new drift block design to assess seabird mortality from oil pollution. Wiese, Francis K.; Jones, Ian L. Auk; October 2001; v.118, no.4, p.1062-1068.

Experimentally increased insectivorous bird density results in a reduction of caterpillar density and leaf damage to Pyrenean oak. Sanz, Juan Jose. Ecological Research; September 2001; v.16, no.3, p.387-394.

Experimentally increased insectivorous bird density results in a reduction of caterpillar density and leaf damage to Pyrenean oak. Sanz, Juan Jose. Ecological Research; September 2001; v.16, no.3, p.387-394.

Experimentally reduced male attractiveness increases parental care in the pied flycatcher Ficedula hypoleuca. Sanz, Juan Jose. Behavioral Ecology; Mar.-Apr. 2001; v.12, no.2, p.171-176.

Experiments on epizoochorous dispersal by mallards (Anas platyrhinchos). Hohensee, Christiane D.; Frey, Wolfgang. Botanische Jahrbuecher fuer Systematik Pflanzengeschichte und Pflanzengeographie; 31 Juli 2001; v.123, no.2, p.209-216.

Explaining stasis: Microevolutionary studies in natural populations. Merila, J.; Sheldon, B. C.; Kruuk, L. E. B. Genetica (Dordrecht); 2001; v.112-113, p.199-222.

Exploitation of a seasonal resource by nonbreeding plain and white-crowned pigeons: Implications for conservation of tropical dry forests. Strong, Allan M.; Johnson, Matthew D. Wilson Bulletin; March 2001; v.113, no.1, p.73-77.

Exploring the 'most effective pollinator principle' with complex flowers: Bumblebees and Ipomopsis aggregata. Mayfield, Margaret M.; Waser, Nickolas M.; Price, Mary V. Annals of Botany (London); October 2001; v.88, no.4, p.591-596.

Exposure of California quail to organophosphorus insecticides in apple orchards in the Okanagan Valley, British Columbia. Wilson, Laurie; Martin, Pamela A.; Elliott, John E.; Mineau, Pierre; Cheng, Kimberly M. Ecotoxicology; April 2001; v.10, no.2, p.79-90.

Exposure of game birds to ochratoxin A through supplemental feeds. Oberheu, Deanna T.; Dabbert, C. Brad. Journal of Zoo and Wildlife Medicine; March 2001; v.32, no.1, p.136-138.

Exposure of migrant bald eagles to lead in prairie Canada. Miller, M. J. R.; Wayland, M. E.; Bortolotti, G. R. Environmental Pollution; 2001; v.112, no.2, p.153-162.

Exposure of the Inuit population of Nunavik (Arctic Quebec) to lead and mercury. Dewailly, Eric; Ayotte, Pierre; Bruneau, Suzanne; Lebel, Germain; Levallois, Patrick; Weber, Jean Philippe. Archives of Environmental Health; July-August 2001; v.56, no.4, p.350-357.

Exposure to a rhythmic auditory stimulus facilitates memory formation for the passive avoidance task in the day-old chick. Toukhsati, S. R.; Rickard, N. S. Journal of Comparative Psychology; June 2001; v.115, no.2, p.132-139.

Extinction and colonization of birds on habitat islands. Crooks, Kevin R.; Suarez, Andrew V.; Bolger, Douglas T.; Soule, Michael E. Conservation Biology; February 2001; v.15, no.1, p.159-172.

Extrapair copulations in western bluebirds (Sialia mexicana): Female receptivity favors older males. Dickinson, Janis L. Behavioral Ecology and Sociobiology; October 2001; v.50, no.5, p.423-429.

Extrapair copulations in western bluebirds (Sialia mexicana): Female receptivity favors older males. Dickinson, Janis L. Behavioral Ecology and Sociobiology; October 2001; v.50, no.5, p.423-429.

Extra-pair paternity among Great Tits Parus major following manipulation of male signals. Otter, Ken A.; Stewart, Ian R. K.; McGregor, Peter K.; Terry, Andrew M. R.; Dabelsteen, Torben; Burke, Terry. Journal of Avian Biology; December 2001; v.32, no.4, p.338-344.

Extra-pair paternity among Great Tits Parus major following manipulation of male signals. Otter, Ken A.; Stewart, Ian R. K.; McGregor, Peter K.; Terry, Andrew M. R.; Dabelsteen, Torben; Burke, Terry. Journal of Avian Biology; December 2001; v.32, no.4, p.338-344.

Extra-pair paternity and the reproductive role of male floaters in the tree swallow (Tachycineta bicolor). Kempenaers, Bart; Everding, Susie; Bishop, Cheryl; Boag, Peter; Robertson, Raleigh J. Behavioral Ecology and Sociobiology; March 2001; v.49, no.4, p.251-259.

Extrapair paternity and variance in reproductive success related to breeding density in Bullock's orioles. Richardson, David S.; Burke, Terry. Animal Behaviour; September 2001; v.62, no.3, p.519-525.

Extrapair paternity in the Adelie Penguin Pygoscelis adeliae. Pilastro, Andrea; Pezzo, Francesco; Olmastroni, Silvia; Callegarin, Claudia; Corsolini, Simonetta; Focardi, Silvano. Ibis; October 2001; v.143, no.4, p.681-684.

Extra-pair paternity in the Common Murre. Birkhead, Tim R.; Hatchwell, Ben J.; Lindner, Robert; Blomqvist, Donald; Pellatt, E. Jayne; Griffiths, Richard; Lifjeld, Jan T. Condor; February 2001; v.103, no.1, p.158-162.

Extrapair paternity is influenced by breeding synchrony and density in the common yellowthroat. Thusius, Kevin J.; Dunn, Peter O.; Peterson, Kara A.; Whittingham, Linda A. Behavioral Ecology; Sep.-Oct. 2001; v.12, no.5, p.633-639.

Extraterritorial movements of a forest songbird in a fragmented landscape. Norris, D. Ryan; Stutchbury, Bridget J. M. Conservation Biology; June 2001; v.15, no.3, p.729-736.

Extreme endemic radiation of the Malagasy vangas (Aves: Passeriformes). Yamagishi, Satoshi; Honda, Masanao; Eguchi, Kazuhiro; Thorstrom, Russel. Journal of Molecular Evolution; July 2001; v.53, no.1, p.39-46.

Factors affecting anvils utilization by Great Spotted Woodpecker Dendrocopos major. Kedra, Aleksander H.; Mazgajski, Tomasz D. Polish Journal of Ecology; 2001; v.49, no.1, p.79-86.

Factors affecting bird communities in fragments of secondary pine forests in the north-western Mediterranean basin. Brotons, Lluis; Herrando, Sergi. Acta Oecologica; January-February 2001; v.22, no.1, p.21-31.

Factors affecting breeding dispersal in the facultatively colonial lesser kestrel: Individual experience vs. conspecific cues. Serrano, David; Tella, Jose L.; Forero, Manuela G.; Donazar, Jose A. Journal of Animal Ecology; July 2001; v.70, no.4, p.568-578.

Factors affecting fledging weight of Adelie penguin (Pygoscelis adeliae) chicks: A modeling study. Salihoglu, Baris; Fraser, William R.; Hofmann, Eileen E. Polar Biology; May 2001; v.24, no.5, p.328-337.

Factors affecting nesting success of a bird assembly in the central Monte Desert, Argentina. Mezquida, Eduardo T.; Marone, Luis. Journal of Avian Biology; December 2001; v.32, no.4, p.287-296.

Factors affecting nesting success of a bird assembly in the central Monte Desert, Argentina. Mezquida, Eduardo T.; Marone, Luis. Journal of Avian Biology; December 2001; v.32, no.4, p.287-296.

Factors affecting predation by buzzards Buteo buteo on released pheasants Phasianus colchicus. Kenward, R. E.; Hall, D. G.; Walls, S. S.; Hodder, K. H. Journal of Applied Ecology; August 2001; v.38, no.4, p.813-822.

Factors affecting Reed Warbler risk of brood parasitism by the Common Cuckoo. Clarke, Alice L.; Oien, Ingar J.; Honza, Marcel; Moksnes, Arne; Roskaft, Eivin. Auk; April 2001; v.118, no.2, p.534-538.

Factors affecting the breeding success of the south polar skua Catharacta maccormicki at Edmonson Point, Victoria Land, Antarctica. Pezzo, F.; Olmastroni, S.; Corsolini, S.; Focardi, S. Polar Biology; June 2001; v.24, no.6, p.389-393.

Factors affecting the rates of intraspecific nest parasitism among Anseriformes and Galliformes. Geffen, Eli; Yom-Tov, Yoram. Animal Behaviour; December 2001; v.62, no.6, p.1027-1038.

Factors affecting the territory distribution of Skylarks Alauda arvensis breeding on lowland farmland. Donald, Paul F.; Evans, Andy D.; Buckingham, David L.; Muirhead, Lys B.; Wilson, Jeremy D. Bird Study; November 2001; v.48, no.3, p.271-278.

Factors affecting the territory distribution of Skylarks Alauda arvensis breeding on lowland farmland. Donald, Paul F.; Evans, Andy D.; Buckingham, David L.; Muirhead, Lys B.; Wilson, Jeremy D. Bird Study; November 2001; v.48, no.3, p.271-278.

Factors associated with occurrence and density of wetland birds in the prairie pothole region of Iowa. Fairbairn, Steve E.; Dinsmore, James J. Journal of the Iowa Academy of Science; March 2001; v.108, no.1, p.8-14.

Factors governing the distribution of Swainson's Warbler along a hydrological gradient in Great Dismal Swamp. Graves, Gary R. Auk; July 2001; v.118, no.3, p.650-664.

Factors influencing length of the post-fledging period and timing of dispersal in Bonelli's Eagle (Hieraaetus fasciatus) in southwestern Spain. Minguez, Eduardo; Angulo, Elena; Siebering, Vivian. Journal of Raptor Research; September 2001; v.35, no.3, p.228-234.

Factors influencing movement patterns of keel-billed Toucans in a fragmented tropical landscape in Southern Mexico. Graham, Catherine H. Conservation Biology; December 2001; v.15, no.6, p.1789-1798.

Factors influencing pair territoriality in the Juniper Titmouse. Christman, Beth J. Condor; May 2001; v.103, no.2, p.361-369.

Factors influencing post-fire dynamics of Sardinian and Dartford Warblers in Mediterranean shrublands. Herrando, Sergi; del Amo, Rodrigo; Brotons, Lluis; Llacuna, Santiago. Ornis Fennica; 2001; v.78, no.4, p.168-174.

Factors influencing post-fire dynamics of Sardinian and Dartford Warblers in Mediterranean shrublands. Herrando, Sergi; del Amo, Rodrigo; Brotons, Lluis; Llacuna, Santiago. Ornis Fennica; 2001; v.78, no.4, p.168-174.

Factors that affect hatching asynchrony in the chinstrap penguin (Pygoscelis antarctica). de Leon, Ana; Soave, Guillermo; Ferretti, Vanina; Moreno, Juan. Polar Biology; May 2001; v.24, no.5, p.338-342.

Falling on deaf ears: The adaptive significance of begging in the absence of a parent. Budden, Amber E.; Wright, Jonathan. Behavioral Ecology and Sociobiology; May 2001; v.49, no.6, p.474-481.

Family dynasties in the Tasmanian native hen (Gallinula mortierii). Putland, David A.; Goldizen, Anne W. Behavioral Ecology and Sociobiology; December 2001; v.51, no.1, p.26-32.

Family dynasties in the Tasmanian native hen (Gallinula mortierii). Putland, David A.; Goldizen, Anne W. Behavioral Ecology and Sociobiology; December 2001; v.51, no.1, p.26-32.

Family-based winter territoriality in western bluebirds, Sialia mexicana: The structure and dynamics of winter groups. Kraaijeveld, Ken; Dickinson, Janis L. Animal Behaviour; January 2001; v.61, no.1, p.109-117.

Farhat, A.; Normand, L.; Chavez, E. R.; Touchburn, S. P.

Farlow, James O.; Sunderman, Jack A.; Havens, Jonathan J.; Swinehart, Anthony L.; Holman, J. Alan; Richards, Ronald L.; Miller, Norton G.; Martin, Robert A.; Hunt, Robert M., Jr.; Storrs, Glenn W.; Curry, B. Brandon; Fluegeman, Richard H.; Dawson, MaryR.; Flint, Mary E. T. American Midland Naturalist; April 2001; v.145, no.2, p.367-378.

Fast and slow neurons in the nucleus of the basal optic root in pigeons. Crowder, Nathan A.; Wylie, Douglas R. W. Neuroscience Letters; May 25 2001; v.304, no.3, p.133-136.

Fast colonization of an introduced bird: The case of Pycnonotus jocosus on the Mascarene Islands. Clergeau, Philippe; Mandon-Dalger, Isabelle. Biotropica; September 2001; v.33, no.3, p.542-546.

Fat stores in birds: An overlooked sink for carotenoid pigments? Negro, J. J.; Figuerola, J.; Garrido, J.; Green, A. J. Functional Ecology; June 2001; v.15, no.3, p.297-303.

Fatal encephalitis and myocarditis in young domestic geese (Anser anser domesticus) caused by West Nile virus. Swayne, David E.; Beck, Joan R.; Smith, Calandra S.; Shieh, Wun-Ju; Zaki, Sharif R. Emerging Infectious Diseases; Jul-Aug 2001; v.7, no.4, p.751-753.

Feather eating in individually caged hens which differ in their propensity to feather peck. McKeegan, Dorothy E. F.; Savory, C. J. Applied Animal Behaviour Science; 28 July 2001; v.73, no.2, p.131-140.

Feather mite loads influenced by salt exposure, age and reproductive stage in the Seychelles Warbler Acrocephalus sechellensis. Dowling, Damian K.; Richardson, David S.; Blaakmeer, Karen; Komdeur, Jan. Journal of Avian Biology; December 2001; v.32, no.4, p.364-369.

Feather mites (Astigmata) avoid moulting wing feathers of passerine birds. Jovani, Roger; Serrano, David. Animal Behaviour; October 2001; v.62, no.4, p.723-727.

Feather mites (Astigmata) avoid moulting wing feathers of passerine birds. Jovani, Roger; Serrano, David. Animal Behaviour; October 2001; v.62, no.4, p.723-727.

Feather mites on birds: Costs of parasitism or conditional outcomes? Blanco, Guillermo; Tella, Jose L.; Potti, Jaime; Baz, Arturo. Journal of Avian Biology; September 2001; v.32, no.3, p.271-274.

Feather-degrading Bacillus species from poultry waste. Kim, J. M.; Lim, W. J.; Suh, H. J. Process Biochemistry; November 2001; v.37, no.3, p.287-291.

Feature analysis of natural sounds in the songbird auditory forebrain. Sen, Kamal; Theunissen, Frederic E.; Doupe, Allison J. Journal of Neurophysiology (Bethesda); September 2001; v.86, no.3, p.1445-1458.

Fecal corticosterone reflects serum corticosterone in Florida sandhill cranes. Ludders, John W.; Langenberg, Julie A.; Czekala, Nancy M.; Erb, Hollis N. Journal of Wildlife Diseases; July 2001; v.37, no.3, p.646-652.

Fecundity-survival trade-offs and parental risk-taking in birds. Ghalambor, Cameron K.; Martin, Thomas E. Science (Washington D C); 20 April 2001; v.292, no.5516, p.494-497.

Feeding activity and seasonal changes in prey composition of urban Peregrine Falcons Falco peregrinus. Rejt, Lukasz. Acta Ornithologica (Warsaw); Winter 2001; v.36, no.2, p.165-169.

Feeding and energy intake in two avian frugivores, the Black-eyed Bulbul Pycnonotus barbartus (Passeriformes: Pycnonotidae) and Speckled Mousebird Colius striatus (Passeriformes: Coliidae).

Feeding associations between Snowy Egrets and Red-breasted Mergansers. Bennett, Jason; Smithson, W. Scott. Waterbirds; April 2001; v.24, no.1, p.125-128.

Feeding behavior of Common Eider ducklings in relation to availability of rockweed habitat and duckling age. Hamilton, Diana J. Waterbirds; August 2001; v.24, no.2, p.233-241.

Feeding behaviour of free-ranging penguins determined by oesophageal temperature.

Feeding by Kelp Gulls on rodents during a mouse outbreak at an inland area in southern Chile. Ruiz, Jorge; Simeone, Alejandro. Waterbirds; April 2001; v.24, no.1, p.118-120.

Feeding ecology of the long-eared owl (Asio otus) in northern Italy: Is it a dietary specialist? Bertolino, Sandro; Ghiberti, Elena; Perrone, Aurelio. Canadian Journal of Zoology; December 2001; v.79, no.12, p.2192-2198.

Feeding strategies of free-ranging Adelie penguins Pygoscelis adeliae analysed by multiple data recording. Ropert-Coudert, Yan; Kato, Akiko; Baudat, Julien; Bost, Charles-Andre; Le Maho, Yvon; Naito, Yasuhiko. Polar Biology; June 2001; v.24, no.6, p.460-466.

Female- and male-specific signals of quality in the barn owl. Roulin, A.; Dijkstra, C.; Riols, C.; Ducrest, A.-L. Journal of Evolutionary Biology; March 2001; v.14, no.2, p.255-266.

Female brood desertion increases with number of available mates in the Rock Sparrow. Pilastro, Andrea; Biddau, Luca; Marin, Guglielmo; Mingozzi, Toni. Journal of Avian Biology; March 2001; v.32, no.1, p.68-72.

Female characteristics and parental care mode in the creching system of eiders, Somateria mollissima. Kilpi, Mikael; Ost, Markus; Lindstrom, Kai; Rita, Hannu. Animal Behaviour; September 2001; v.62, no.3, p.527-534.

Female characteristics and parental care mode in the creching system of eiders, Somateria mollissima. Kilpi, Mikael; Ost, Markus; Lindstrom, Kai; Rita, Hannu. Animal Behaviour; September 2001; v.62, no.3, p.527-534.

Female condition: A predictor of hatching synchrony in the House Wren? Ellis, Lisa A.; Styrsky, John D.; Dobbs, Robert C.; Thompson, Charles F. Condor; August 2001; v.103, no.3, p.587-591.

Female hematozoan infection reduces hatching success but not fledging success in Pied Flycatchers Ficedula hypoleuca. Sanz, Juan J.; Arriero, Elena; Moreno, Juan; Merino, Santiago. Auk; July 2001; v.118, no.3, p.750-755.

Female plumage spottiness signals parasite resistance in the barn owl (Tyto alba). Roulin, Alexandre; Riols, Christian; Dijkstra, Cor; Ducrest, Anne-Lyse. Behavioral Ecology; Jan.-Feb. 2001; v.12, no.1, p.103-110.

Female quail prefer testosterone-mediated traits, rather than the ornate plumage of males. Hagelin, Julie C.; Ligon, J. David. Animal Behaviour; February 2001; v.61, no.2, p.465-476.

Female responses to intraspecific brood parasitism in the Tree Swallow. Whittingham, Linda A.; Dunn, Peter O. Condor; February 2001; v.103, no.1, p.166-170.

Female wing plumage reflects reproductive success in Common Goldeneye Bucephala clangula. Ruusila, Vesa; Poysa, Hannu; Runko, Pentti. Journal of Avian Biology; March 2001; v.32, no.1, p.1-5.

Female-biased dispersal, low female recruitment, unpaired males, and the extinction of small and isolated bird populations. Dale, Svein. Oikos; February 2001; v.92, no.2, p.344-356.

Fencerows as habitat for birds in an agricultural landscape in central Alberta, Canada. Sykes, Ainsley K.; Hannon, Susan J. Ecoscience; 2001; v.8, no.4, p.441-449.

Fencerows as habitat for birds in an agricultural landscape in central Alberta, Canada. Sykes, Ainsley K.; Hannon, Susan J. Ecoscience; 2001; v.8, no.4, p.441-449.

Feral pigs facilitate hyperpredation by golden eagles and indirectly cause the decline of the island fox. Roemer, Gary W.; Coonan, Timothy J.; Garcelon, David K.; Bascompte, Jordi; Laughrin, Lyndal. Animal Conservation; November 2001; v.4, no.4, p.307-318.

Fertility, hatchability and embryonic mortality in ducks. Baruah, K. K.; Sharma, P. K.; Bora, N. N. Indian Veterinary Journal; June 2001; v.78, no.6, p.529-530.

Fidelity to territory, nest site and mate, survivorship, and reproduction of two sympatric Forest-Falcons. Thorstrom, Russell; Morales, Cristobal M.; Ramos, Jose D. Journal of Raptor Research; June 2001; v.35, no.2, p.98-106.

Fidelity to territory, nest site and mate, survivorship, and reproduction of two sympatric Forest-Falcons. Thorstrom, Russell; Morales, Cristobal M.; Ramos, Jose D. Journal of Raptor Research; June 2001; v.35, no.2, p.98-106.

Field estimates of body drag coefficient on the basis of dives in passerine birds. Hedenstrom, Anders; Liechti, Felix. Journal of Experimental Biology; March 2001; v.204, no.6, p.1167-1175.

Field evaluation of a visual barrier to discourage gull nesting. Pochop, P. A.; Cummings, J. L.; Engeman, R. M. Pacific Conservation Biology; September 2001; v.7, no.2, p.143-145.

Field identification, ecology and conservation status of the Red-chested Button-quail Turnix pyrrhothorax in northern Victoria. Conole, Lawrie E.; Mac Nally, Ralph. Victorian Naturalist (Blackburn); April 2001; v.118, no.2, p.56-58.

Field metabolism and water flux of Carolina Chickadees during breeding and nonbreeding seasons: A test of the "peak-demand" and "reallocation" hypotheses. Doherty, Paul F., Jr.; Williams, Joseph B.; Grubb, Thomas C., Jr. Condor; May 2001; v.103, no.2, p.370-375.

Field observations on the appearance of acridids and their natural enemies in The Gambia. Sanyang, Sidi. Insect Science and its Application; July-September 2001; v.21, no.3, p.219-223.

Field observations. Pranty, Bill. Florida Field Naturalist; February 2001; v.29, no.1, p.33-40.

Fig-eating by vertebrate frugivores: A global review. Shanahan, Mike; So, Samson; Compton, Stephen G.; Corlett, Richard. Biological Reviews (Cambridge); November 2001; v.76, no.4, p.529-572.

First (?) sighting of crab plover Dromas ardeola and pied harrier Circus melanoleucos in Raigad district, Maharashtra. Mestri, Premsagar G.; Pande, Satish A. Journal of the Bombay Natural History Society; August 2001; v.98, no.2, p.278-279.

First nest record of white-winged crossbill in the greater Toronto area. Coady, Glenn. Ontario Birds; December 2001; v.19, no.3, p.101-111.

First nesting records of the black phoebe (Sayornis nigricans) in southernmost Texas. Brush, Timothy. Southwestern Naturalist; June 2001; v.46, no.2, p.237-243.

First record of Elegant Tern in Florida. Kwater, Ed. Florida Field Naturalist; September 2001; v.29, no.3, p.90-94.

First record of Pallid Swift Apus pallidus in Denmark and of ssp. illyricus in northern Europe. Thorup, Kasper. Dansk Ornitologisk Forenings Tidsskrift; 2001; v.95, no.4, p.169-172.

First record of Spotted Towhee in Florida. Greenlaw, Jon S.; Engstrom, R. Todd. Florida Field Naturalist; February 2001; v.29, no.1, p.26-28.

First record of tandem flying in the King Vulture (Sarcoramphus papa). Schlee, Marsha A. Journal of Raptor Research; September 2001; v.35, no.3, p.263-264.

First record of the European Golden-Plover (Pluvialis apricaria) from the Pacific. Piston, Andrew W.; Heinl, Steven C. Western Birds; December 14 2001; v.32, no.3, p.179-181.

First record of the Slaty-backed Nightingale-Thrush in the Central Andes of Colombia, with notes on its ecology and geographical variation. Beltran, William; Kattan, Gustavo. Wilson Bulletin; June 2001; v.113, no.2, p.134-139.

First records, noteworthy observations and new distributional data for birds in Paraguay. Capper, David R.; Clay, Robert P.; Madrono N., Alberto; Barnett, Juan Mazar; Burfield, Ian J.; Esquivel, Estela Z.; Kennedy, Corinne P.; Perrens, Mirna; Pople, Robert G. Bulletin of the British Ornithologists' Club; March 2001; v.121, no.1, p.23-37.

First report of Ixodes auritulus Neumann (Acari: Ixodida: Ixodidae) from the blackish cinclodes, Cinclodes antarcticus (Garnot) (Aves: Passeriformes: Furnariidae), with additional records of parasitism of Cinclodes spp. by this tick species. Robbins, Richard G.; Sorkin, Louis N.; Vuilleumier, Francois. Proceedings of the Entomological Society of Washington; April 2001; v.103, no.2, p.265-268.

First report of the genus Retortamonas (Sarcomastigophora: Retortamonadidae) in birds. Martinez-Diaz, Rafael A.; Castro, Ana Teresa; Herrera, Silvia; Ponce, Francisco. Memorias do Instituto Oswaldo Cruz; October 2001; v.97, no.7, p.961-963.

First report of the Gray Heron in the United States. Burton, Kenneth M.; Smith, Sean D. Western Birds; 2001; v.32, no.1, p.88-90.

First sight record of the King Vulture in Baja California, Mexico. Duncan, Russell B.; Lacroix, Jo Ann V. Journal of Raptor Research; March 2001; v.35, no.1, p.74.

First specimen and evidence of breeding by the shiny cowbird in Georgia. Sykes, Paul W., Jr.; Post, William. Oriole; September-December 2001; v.66, no.3-4, p.45-51.

Fish Crow: Corvus ossifragus. McGowan, Kevin J. Birds of North America; 2001; no.589, p.1-27.

Fitness consequences of egg shape variation: A study on two passerines and comments on the optimal egg shape model. Encabo, Silvio I.; Barba, Emilio; Gil-Delgado, Jose A.; Monros, Juan S. Ornis Fennica; 2001; v.78, no.2, p.83-92.

Fitness consequences of long-term pair bonds in barnacle geese: Monogamy in the extreme. Black, Jeffrey M. Behavioral Ecology; Sep.-Oct. 2001; v.12, no.5, p.640-645.

Fitness costs and benefits of cowbird egg ejection by gray catbirds. Lorenzana, Janice C.; Sealy, Spencer G. Behavioral Ecology; May-June 2001; v.12, no.3, p.325-329.

Fitness-related consequences of relaying in an arctic seabird: Survival of offspring to recruitment age. Hipfner, J. Mark. Auk; October 2001; v.118, no.4, p.1076-1080.

Fitness-related consequences of relaying in an arctic seabird: Survival of offspring to recruitment age. Hipfner, J. Mark. Auk; October 2001; v.118, no.4, p.1076-1080.

Fleas (Siphonaptera) of the bird nests in Mongolia. Cyprich, Dusan; Kiefer, Matej; Krumpal, Miroslav. Acta Parasitologica; July 2001; v.46, no.3, p.216-228.

Fledging date and post-fledging period of the Sooty Owl Tyto tenebricosa: A comment on page (2000). Debus, S. J. S. Corella; March 2001; v.25, no.1, p.20.

Flexibility and the use of indicator taxa in the selection of sites for nature reserves. Hopkinson, Paul; Travis, Justin M. J.; Evans, Julianne; Gregory, Richard D.; Telfer, Mark G.; Williams, Paul H. Biodiversity and Conservation; February 2001; v.10, no.2, p.271-285.

Flexibility in flight behaviour of barn swallows (Hirundo rustica) and house martins (Delichon urbica) tested in a wind tunnel. Bruderer, Lukas; Liechti, Felix; Bilo, Dietrich. Journal of Experimental Biology; April 2001; v.204, no.8, p.1473-1484.

Flight characteristics of birds: I. Radar measurements of speeds. Bruderer, Bruno; Boldt, Andreas. Ibis; April 2001; v.143, no.2, p.178-204.

Flight kinematics of the barn swallow (Hirundo rustica) over a wide range of speeds in a wind tunnel. Park, Kirsty J.; Rosen, Mikael; Hedenstrom, Anders. Journal of Experimental Biology; August 2001; v.204, no.15, p.2741-2750.

Flight, fitness, and sexual selection: A response. Buchanan, K. L.; Evans, M. R. Behavioral Ecology; July-Aug. 2001; v.12, no.4, p.513-515.

Floaters as intraspecific brood parasites in the grey starling Sturnus cineraceus. Saitou, Takashi. Ecological Research; June 2001; v.16, no.2, p.221-231.

Flora and fauna assemblages vary with local topography in a subtropical eucalypt forest. Catterall, Carla P.; Piper, Scott D.; Bunn, Stuart E.; Arthur, J. Michael. Austral Ecology; February 2001; v.26, no.1, p.56-69.

Flower morphology and pollination mechanism in three sympatric Goodyerinae orchids from southeastern Brazil. Singer, Rodrigo B.; Sazima, Marlies. Annals of Botany (London); December 2001; v.88, no.6, p.989-997.

Fluctuating asymmetry in Sardinian Warblers Sylvia melanocephala inhabiting two shrublands affected by fire. Herrando, Sergi; Brotons, Lluis. Bird Study; July 2001; v.48, no.2, p.180-187.

Flush responses of Mexican spotted owls to recreationists. Swarthout, Elliott C. H.; Steidl, Robert J. Journal of Wildlife Management; April 2001; v.65, no.2, p.312-317.

Foliage structure influences foraging of insectivorous forest birds: An experimental study. Whelan, Christopher J. Ecology (Washington D C); January 2001; v.82, no.1, p.219-231.

Follicular development and plasma yolk precursor dynamics through the laying cycle in the European starling (Sturnus vulgaris). Challenger, Wendell O.; Williams, Tony D.; Christians, Julian K.; Vezina, Francois. Physiological and Biochemical Zoology; May-June 2001; v.74, no.3, p.356-365.

Food and feeding biology of the Black Skimmer in Argentina: Evidence supporting offshore feeding in nonbreeding areas. Favero, Marco; Mariano-Jelicich, Rocio; Silva, Maria Patricia; Bo, Maria Susana; Garcia-Mata, Carlos. Waterbirds; December 2001; v.24, no.3, p.413-418.

Food and feeding biology of the Common Tern during the nonbreeding season in Samborombon Bay, Buenos Aires, Argentina. Mauco, Laura; Favero, Marco; Bo, Maria Susana. Waterbirds; April 2001; v.24, no.1, p.89-96.

Food as a mechanism of density-dependent regulation of breeding numbers in the Merlin, Falco columbarius. Wiklund, Christer G. Ecology (Washington D C); March 2001; v.82, no.3, p.860-867.

Food availability and immune capacity in serin (Serinus serinus) nestlings. Hoi-Leitner, Maria; Romero-Pujante, Marilo; Hoi, Herbert; Pavlova, A. Behavioral Ecology and Sociobiology; April 2001; v.49, no.5, p.333-339.

Food availability and seasonal variation in nest predation pressure as factors influencing the timing of breeding of Namaqua sandgrouse in the Nama Karoo, South Africa. Lloyd, Penn; Little, Robin M.; Crowe, Timothy M. African Zoology; April 2001; v.36, no.1, p.1-11.

Food calling in ravens: Are yells referential signals? Bugnyar, Thomas; Kijne, Maartje; Kotrschal, Kurt. Animal Behaviour; May 2001; v.61, no.5, p.949-958.

Food chain aspects of chlordane poisoning in birds and bats. Stansley, W.; Roscoe, D. E.; Hawthorne, E.; Meyer, R. Archives of Environmental Contamination and Toxicology; February 2001; v.40, no.2, p.285-291.

Food habits of the Crested Caracara (Caracara plancus) in the Andean Patagonia: The role of breeding constraints. Travaini, A.; Donazar, J. A.; Ceballos, O.; Hiraldo, F. Journal of Arid Environments; June 2001; v.48, no.2, p.211-219.

Food hoarding behaviour of black-capped chickadees (Poecile atricapillus) in relation to forest edges. Brotons, Lluis; Desrochers, Andre; Turcotte, Yves. Oikos; December 2001; v.95, no.3, p.511-519.

Food limitation explains most clutch size variation in the Nazca booby. Clifford, L. D.; Anderson, D. J. Journal of Animal Ecology; July 2001; v.70, no.4, p.539-545.

Food of the Spotted Little Owl (Athene brama) at a place where a cropland and a sandy wasteland met. Ali Shah, Zahid; Azhar Beg, Mirza. Pakistan Journal of Zoology; 2001; v.33, no.1, p.53-56.

Food provision to nestlings in the Hoopoe Upupa epops: Implications for the conservation of a small endangered population in the

Food supply and the consequences of egg size in the Thick-billed Murre. Hipfner, J. Mark; Gaston, Anthony J.; Storey, Anne E. Condor; May 2001; v.103, no.2, p.240-247.

Food supply differentially affects sibling negotiation and competition in the barn owl (Tyto alba). Roulin, A. Behavioral Ecology and Sociobiology; May 2001; v.49, no.6, p.514-519.

Food supply differentially affects sibling negotiation and competition in the barn owl (Tyto alba). Roulin, A. Behavioral Ecology and Sociobiology; May 2001; v.49, no.6, p.514-519.

Food Value and tree selection by Glossy Black-Cockatoos Calyptorhynchus lathami. Crowley, Gabriel M.; Garnett, Stephen T. Austral Ecology; February 2001; v.26, no.1, p.116-126.

Food, reproductive success and multiple breeding in the Great Tit Parus major. Verboven, Nanette; Tinbergen, Joost M.; Verhulst, Simon. Ardea; 2001; v.89, no.2, p.387-406.

Food-provisioning behaviour of male and female Manx shearwaters, Puffinus puffinus. Gray, Catherine M.; Hamer, Keith C. Animal Behaviour; July 2001; v.62, no.1, p.117-121.

Foods of scaled quail (Callipepla squamata) in southeastern New Mexico. Hunt, John L.; Best, Troy L. Texas Journal of Science; May 2001; v.53, no.2, p.147-156.

Foods of the South Polar skua Catharacta maccormicki at Ardery Island, Windmill Islands, Antarctica. Baker, S. C.; Barbraud, C. Polar Biology; January 2001; v.24, no.1, p.59-61.

Foot damage in Gadwalls at Mono Lake, California. Jehl, Joseph R., Jr. Journal of Field Ornithology; Spring 2001; v.72, no.2, p.276-281.

Foot-trembling in the spur-winged plover (Vanellus miles novaehollandiae). Keeley, Bruce R. Notornis; March 2001; v.48, no.1, p.59-60.

for the Philippines. Curio, E.; Hornbuckle, J.; de Soye, Y.; Aston, P.; Lastimoza, L. L. Bulletin of the British Ornithologists' Club; September 2001; v.121, no.3, p.183-197.

For whom does the hen cackle? The function of postoviposition cackling. Pizzari, Tommaso; Birkhead, Tim R. Animal Behaviour; March 2001; v.61, no.3, p.601-607.

For your eyes only? The role of UV in mate choice. Banks, Alexander N. Trends in Ecology & Evolution; September 2001; v.16, no.9, p.473-474.

Foraging and breeding performance of Japanese cormorants in relation to prey type. Kato, Akiko; Watanuki, Yutaka; Naito, Yasuhiko. Ecological Research; December 2001; v.16, no.4, p.745-758.

Foraging before spring migration and before breeding in Common Eiders: Does hyperphagia occur? Guillemette, Magella. Condor; August 2001; v.103, no.3, p.633-638.

Foraging behavior of the American oystercatcher Haematopus palliatus pitanay (Murphy 1925) on the intertidal ascidian Pyura praeputialis (Heller 1878) in the Bay of Antofagasta, Chile. Pacheco, Cristian J.; Castilla, Juan C. Journal of Ethology; 2001; v.19, no.1, p.23-26.

Foraging behaviour and feeding locations of Rock Shags Phalacrocorax magellanicus from a colony in Patagonia, Argentina. Quintana, Flavio. Ibis; October 2001; v.143, no.4, p.547-553.

Foraging behaviour and success of Black-necked Storks (Ephippiorhynchus asiaticus) in Australia: Implications for management. Dorfman, Eric J.; Lamont, Adam; Dickman, Chris R. Emu; 2001; v.101, no.2, p.145-149.

Foraging behaviour and time allocation of chick-rearing Razorbills Alca torda at Graesholmen, central Baltic Sea. Benvenuti, Silvano; Dall'Antonia, Luigi; Lyngs, Peter. Ibis; July 2001; v.143, no.3, p.402-412.

Foraging behaviour of brent geese, Branta b. bernicla, on grasslands: Effects of sward length and

Foraging behaviour of subordinate great tits (Parus major). Can morphology reduce the cost of subordination? Barluenga, M.; Moreno, E.; Barbosa, A. Ethology; October 2001; v.107, no.10, p.877-888.

Foraging behaviour of subordinate great tits (Parus major). Can morphology reduce the cost of subordination? Barluenga, M.; Moreno, E.; Barbosa, A. Ethology; October 2001; v.107, no.10, p.877-888.

Foraging by the endangered black-breasted button-quail (Turnix melanogaster) within fragmented rainforest of an agricultural landscape. Smyth, A. K.; Pavey, C. R. Biological Conservation; April 2001; v.98, no.2, p.149-157.

Foraging destinations of three low-latitude albatross (Phoebastria) species. Fernandez, Patricia; Anderson, David J.; Sievert, Paul R.; Huyvaert, Kathryn P. Journal of Zoology (London); July 2001; v.254, no.3, p.391-404.

Foraging ecology and habitat selection of the Yellow-plumed Honeyeater, Lichenostomus ornatus, in a Western Australian woodland: Implications for conservation. Wilson, Kellie; Recher, Harry F.

Foraging ecology and habitat use of the Swift Parrot on the south-western slopes of New South Wales. Kennedy, Simon J.; Overs, Anthony E. Corella; September 2001; v.25, no.3, p.68-74.

Foraging ecology of Olrog's Gull Larus atlanticus in Mar Chiquita Lagoon (Buenos Aires, Argentina): Are there age-related differences? Copello, Sofia; Favero, Marco. Bird Conservation International; September 2001; v.11, no.3, p.175-188.

Foraging energetics of arctic cormorants and the evolution of diving birds. Gremillet, David; Wanless, Sarah; Carss, David N.; Linton, Danielle; Harris, Mike P.; Speakman, John R.; Le Maho, Yvon. Ecology Letters; May 2001; v.4, no.3, p.180-184.

Foraging habitat selection by yellowhammers (Emberiza citrinella) nesting in agriculturally contrasting regions in lowland England. Morris, Antony J.; Whittingham, Mark J.; Bradbury, Richard B.; Wilson, Jeremy D.; Kyrkos, Antonios; Buckingham, David L.; Evans, Andrew D. Biological Conservation; October 2001; v.101, no.2, p.197-210.

Foraging habitat selection by yellowhammers (Emberiza citrinella) nesting in agriculturally contrasting regions in lowland England. Morris, Antony J.; Whittingham, Mark J.; Bradbury, Richard B.; Wilson, Jeremy D.; Kyrkos, Antonios; Buckingham, David L.; Evans, Andrew D. Biological Conservation; October 2001; v.101, no.2, p.197-210.

Foraging habitats of Steller's Sea-Eagles during the wintering season in Hokkaido, Japan. Shiraki, Saiko. Journal of Raptor Research; June 2001; v.35, no.2, p.91-97.

Foraging in a patchy and dynamic landscape: Human land use and the White Stork. Johst, Karin; Brandl, Rolan; Pfeifer, Robert. Ecological Applications; February 2001; v.11, no.1, p.60-69.

Foraging patterns and resource use in four sympatric species of antwrens. Leme, Andrea. Journal of Field Ornithology; Spring 2001; v.72, no.2, p.221-227.

Foraging patterns of birds in the thorn forest of Mudumalai Wildlife Sanctuary, southern India. Gokula, V. Journal of South Asian Natural History; May 2001; v.5, no.2, p.143-152.

Foraging patterns of birds in the thorn forest of Mudumalai Wildlife Sanctuary, southern India. Gokula, V. Journal of South Asian Natural History; May 2001; v.5, no.2, p.143-152.

Foraging strategies and niche dynamics of coexisting shorebirds at stopover sites in the southern Great Plains. Davis, Craig A.; Smith, Loren M. Auk; April 2001; v.118, no.2, p.484-495.

Foraging strategies of Great Cormorants Phalacrocorax carbo carbo wintering north of the Arctic Circle. Johansen, Roger; Barrett, Robert T.; Pedersen, Torstein. Bird Study; March 2001; v.48, no.1, p.59-67.

Foraging substrate and escape substrate: Patch use by three species of gerbils. Kotler, Burt P.; Brown, J. S.; Oldfield, A.; Thorson, J.; Cohen, D. Ecology (Washington D C); June 2001; v.82, no.6, p.1781-1790.

Foraging success and foraging habitat use by Cattle Egrets and Little Egrets in the Camargue, France. Lombardini, Katia; Bennetts, Robert E.; Tourenq, Christophe. Condor; February 2001; v.103, no.1, p.38-44.

Foraging time and dietary intake by breeding Ross's and Lesser Snow Geese. Gloutney, Mark L.; Alisauskas, Ray T.; Afton, Alan D.; Slattery, Stuart M. Oecologia (Berlin); March 2001; v.127, no.1, p.78-86.

Foraging trip duration increases for Humboldt Penguins tagged with recording devices. Taylor, Sabrina S.; Boness, Daryl J.; Majluf, Patricia. Journal of Avian Biology; December 2001; v.32, no.4, p.369-372.

Force-feeding procedure and physiological indicators of stress in male mule ducks. Guemene, D.; Guy, G.; Noirault, J.; Garreau-Mills, M.; Gouraud, P.; Faure, J. M. British Poultry Science; December 2001; v.42, no.5, p.650-657.

Forest characteristics of northern goshawk nest stands and post-fledging areas in Oregon. Daw, Sonya K.; DeStefano, Stephen. Journal of Wildlife Management; January 2001; v.65, no.1, p.59-65.

Forest floor quality and N transformations in a temperate forest affected by avian-derived N deposition. Hobara, Satoru; Osono, Takashi; Koba, Keisuke; Tokuchi, Naoko; Fujiwara, Satomi; Kameda, Kayoko. Water Air and Soil Pollution; August.-September 2001; v.130, no.1-4 Part 2, p.679-684.

Forest fragmentation and bird community dynamics: Inference at regional scales. Boulinier, Thierry; Nichols, James D.; Hines, James E.; Sauer, John R.; Flather, Curtis H.; Pollock, Kenneth H. Ecology (Washington D C); April 2001; v.82, no.4, p.1159-1169.

Forest tent caterpillars and birds. Elder, David H. Ontario Birds; August 2001; v.19, no.2, p.87-88.

Fork-tailed Storm-Petrel: Oceanodroma furcata. Boersma, P. Dee; Silva, Monica C. Birds of North America; 2001; no.569, p.1-27.

Forster's tern: Sterna forsteri. Mcnicholl, Martin K.; Lowther, Peter E.; Hall, John A. Birds of North America; 2001; no.595, p.1-23.

Fossil that fills a critical gap in avian evolution. Norell, Mark A.; Clarke, Julia A. Nature (London); 11 January 2001; v.409, no.6817, p.181-184.

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Four new and rare nearctic-neotropical landbird migrants during autumn from Barbados. Frost, Martin D.; Massiah, Edward B. Caribbean Journal of Science; December 2001; v.37, no.3-4, p.281-283.

four vulture species from southern Africa. van Wyk, Erika; van der Bank, Herman; Verdoorn, Gerhard H. Biochemical Systematics and Ecology; May 2001; v.29, no.5, p.485-512.

Four-choice drug discrimination in pigeons. Li, Mi; McMillan, D. E. Behavioural Pharmacology; December 2001; v.12, no.8, p.621-628.

Frequency of egg and nestling destruction by female Brown-headed Cowbirds at grassland nests. Granfors, Diane A.; Pietz, Pamela J.; Joyal, Lisa A. Auk; July 2001; v.118, no.3, p.765-769.

frequency of interaction. Cordiner, L. S.; Savory, C. J. Applied Animal Behaviour Science; 29 March 2001; v.71, no.4, p.305-317.

Frequency-dependent predation by birds at edges and interiors of woodland. Fernandez-Juricic, Esteban; Sanz, Ruben; Sallent, Angel. Biological Journal of the Linnean Society; May 2001; v.73, no.1, p.43-49.

Frequent shallow diving by a Northern Fulmar feeding at Shetland. Garthe, Stefan; Furness, Robert W. Waterbirds; August 2001; v.24, no.2, p.287-289.

Frogs as prey of Tawny Owls Strix aluco in central Italy: A comparison with diets from central Europe. Manganaro, Alberto; Pucci, Leonardo; Ranazzi, Lamberto; Salvati, Luca. Alauda; 2001; v.69, no.4, p.550-552.

From aardvarks to apples and orchids to ostriches: The simple evolutionary roots of a world of biological complexity and biodiversity. Adelson, Joel W. Scandinavian Journal of Clinical and Laboratory Investigation; 2001; v.61, no.Supplement 234, p.13-18.

From aardvarks to apples and orchids to ostriches: The simple evolutionary roots of a world of biological complexity and biodiversity. Adelson, Joel W. Scandinavian Journal of Clinical and Laboratory Investigation; 2001; v.61, no.Supplement 234, p.13-18.

from Erythrosuchus and other Mesozoic archosaurs. Gower, D. J. Naturwissenschaften; March 2001; v.88, no.3, p.119-122.

From the field: June-July 2001. Bell, Michael. Oriole; September-December 2001; v.66, no.3-4, p.66-70.

From the field: March-May 2001. Bell, Michael. Oriole; September-December 2001; v.66, no.3-4, p.58-65.

Frugivory at Juniperus communis depends more on population characteristics than on individual attributes. Garcia, Daniel; Zamora, Regino; Gomez, Jose M.; Hodar, Jose A. Journal of Ecology; August 2001; v.89, no.4, p.639-647.

Fruit or aposematic insect? Context-dependent colour preferences in domestic chicks. Gamberale-Stille, Gabriella; Tullberg, Birgitta S. Proceedings of the Royal Society Biological Sciences Series B; 22 December 2001; v.268, no.1485, p.2525-2529.

Fruiting in two afromontane forests in KwaZulu-Natal, South Africa: The habitat type of the endangered cape parrot Poicephalus robustus. Wirminghaus, J. O.; Downs, C. T.; Symes, C. T.; Perrin, M. R. South African Journal of Botany; July 2001; v.67, no.2, p.325-332.

Fruiting phenology of fleshy-fruited plants and seasonal dynamics of frugivorous birds in four vegetation zones on Mt. Kinabalu, Borneo. Kimura, Kazuya; Yumoto, Takakazu; Kikuzawa, Kihachiro. Journal of Tropical Ecology; November 2001; v.17, no.6, p.833-858.

Fulvous Whistling-Duck: Dendrocygna bicolor. Hohman, William L.; Lee, Sarah A. Birds of North America; 2001; no.562, p.1-23.

Function and temporal variation in use of ossuaries by Bearded Vultures (Gypaetus barbatus) during the nestling period. Margalida, Antoni; Bertran, Joan. Auk; July 2001; v.118, no.3, p.785-789.

Functional and morphological assessment of age-related changes in the choroid and outer retina in pigeons. Fitzgerald, Malinda E. C.; Tolley, Elizabeth; Frase, Sharon; Zagvazdin, Yuri; Miller, Ronald F.; Hodos, William; Reiner, Anton. Visual Neuroscience; March-April 2001; v.18, no.2, p.299-317.

Functional and numerical responses of predators to cyclic lemming abundance: Effects on loss of goose nests. Wilson, Deborah J.; Bromley, Robert G. Canadian Journal of Zoology; March 2001; v.79, no.3, p.525-532.

Functional morphology of the pecten oculi in the nocturnal spotted eagle owl (Bubo bubo africanus), and the diurnal black kite (Milvus migrans) and domestic fowl (Gallus gallus var. domesticus): A comparative study. Kiama, S. G.; Maina, J. N.; Bhattacharjee, J.; Weyrauch, K. D. Journal of Zoology (London); August 2001; v.254, no.4, p.521-528.

Functional significance of sexual dimorphism in Wandering Albatrosses, Diomedea exulans. Shaffer, S. A.; Weimerskirch, H.; Costa, D. P. Functional Ecology; April 2001; v.15, no.2, p.203-210.

Functional significance of variation in egg-yolk androgens in the American coot. Reed, Wendy L.; Vleck, Carol M. Oecologia (Berlin); July 2001; v.128, no.2, p.164-171.

Further changes to the breeding seabirds of Lancelin Island, Western Australia. Dunlop, J. N.; Mitchell, D. Corella; March 2001; v.25, no.1, p.1-4.

Further characterization of Caracara creightoni Brodkorb based on fossils from the Quaternary of Cuba (Aves: Falconidae). Suarez, William; Olson, Storrs L. Proceedings of the Biological Society of Washington; 25 May 2001; v.114, no.2, p.501-508.

Further evidence for a population decline in the western Warbling Vireo. Thomas, Gardali; Alvaro, Jaramillo. Western Birds; December 14 2001; v.32, no.3, p.173-176.

Further observations on the cephalopod diet of Wandering Albatrosses (Diomedea exulans L.) at Macquarie Island. van den Hoff, John. Emu; 2001; v.101, no.2, p.169-172.

Further range extensions and noteworthy records for Venezuelan birds. Sharpe, Christopher J.; Ascanio-Echeverria, David; Rodriguez, Gustavo A. Bulletin of the British Ornithologists' Club; March 2001; v.121, no.1, p.50-62.

Gain curves in depletable food patches: A test of five models with European starlings. Olsson, Ola; Brown, Joel S.; Smith, Henrik G. Evolutionary Ecology Research; March 2001; v.3, no.3, p.285-310.

Gender effects on aggression, dominance rank, and affiliative behaviors in a flock of captive adult cockatiels (Nymphicus hollandicus). Seibert, Lynne M.; Crowell-Davis, Sharon L. Applied Animal Behaviour Science; 20 February 2001; v.71, no.2, p.155-170.

Gene flow on the ice: Genetic differentiation among Adelie penguin colonies around Antarctica. Roeder, Amy D.; Marshall, Richelle K.; Mitchelson, Amanda J.; Visagathilagar, Thungar; Ritchie, Peter A.; Love, Donald R.; Pakai, Trevor J.; McPartlan, Helen C.; Murray, Neil D.; Robinson, Nick A.; Kerry, Knowles R.; Lambert, David M. Molecular Ecology; July 2001; v.10, no.7, p.1645-1656.

Gene flow on the ice: Genetic differentiation among Adelie penguin colonies around Antarctica. Roeder, Amy D.; Marshall, Richelle K.; Mitchelson, Amanda J.; Visagathilagar, Thungar; Ritchie, Peter A.; Love, Donald R.; Pakai, Trevor J.; McPartlan, Helen C.; Murray, Neil D.; Robinson, Nick A.; Kerry, Knowles R.; Lambert, David M. Molecular Ecology; July 2001; v.10, no.7, p.1645-1656.

Genetic and social monogamy: Does it occur without mate guarding in the ringed plover? Wallander, Johan; Blomqvist, Donald; Lifjeld, Jan T. Ethology; July 2001; v.107, no.7, p.561-572.

Genetic differentiation and phylogeography of gulls in the Larus cachinnans-fuscus group (Aves: Charadriiformes). Liebers, D.; Helbig, A. J.; De Knijff, P. Molecular Ecology; October 2001; v.10, no.10, p.2447-2462.

Genetic diversity of beak and feather disease virus detected in psittacine species in Australia. Bassami, M. R.; Ypelaar, I.; Berryman, D.; Wilcox, G. E.; Raidal, S. R. Virology; January 20 2001; v.279, no.2, p.392-400.

Genetic mechanisms involved in the periodicity of flight. Lima-de-Faria, A. Caryologia; July-September 2001; v.54, no.3, p.189-208.

Genetic monogamy in Carolina Wrens (Thryothorus ludovicianus). Haggerty, Thomas M.; Morton, Eugene S.; Fleischer, Robert C. Auk; January 2001; v.118, no.1, p.215-219.

Genetic monogamy in Wilson's storm-petrel. Quillfeldt, Petra; Schmoll, Tim; Peter, Hans-Ulrich; Epplen, Joerg Thomas; Lubjuhn, Thomas. Auk; January 2001; v.118, no.1, p.242-248.

Genetic paternity analyses in Little Owls (Athene noctua): Does the high rate of paternal care select against extra-pair young? Mueller, Wendt; Epplen, Joerg Thomas; Lubjuhn, Thomas. Journal fuer Ornithologie; April 2001; v.142, no.2, p.195-203.

Genetic shift in photoperiodic response correlated with global warming. Bradshaw, William E.; Holzapfel, Christina M. Proceedings of the National Academy of Sciences of the United States of America; December 4 2001; v.98, no.25, p.14509-14511.

Genetic structure of black grouse (Tetrao tetrix) populations of the French Alps. Caizergues, Alain; Dubois, Sophie; Mondor, Guenaelle; Loiseau, Anne; Ellison, Laurence N.; Rasplus, Jean-Yves. Genetics Selection Evolution (Paris); October 2001; v.33, no.Suppl. 1, p.S177-S191.

Genetic structuring among migratory populations of the Black-whiskered Vireo, with a comparison to the Red-eyed Vireo. Zwartjes, Patrick W. Condor; August 2001; v.103, no.3, p.439-448.

Genetic variability in the mitochondrial control region of the Japanese Rock Ptarmigan Lagopus mutus japonicus. Baba, Yoshiyuki; Fujimaki, Yuzo; Yoshii, Ryoichi; Koike, Hiroko. Japanese Journal of Ornithology; May 2001; v.50, no.2, p.53-64.

Genetic variation in mitochondrial DNA of North American herring gulls, Larus argentatus. Chen, Junjian Z.; Yauk, Carole L.; Hebert, Craig; Hebert, Paul D. N. Journal of Great Lakes Research; 2001; v.27, no.2, p.199-209.

Genome sequence determinations and analyses of novel circoviruses from goose and pigeon. Todd, D.; Weston, J. H.; Soike, D.; Smyth, J. A. Virology; August 1 2001; v.286, no.2, p.354-362.

Geographic diversification in the call repertoire of the genus Pyrrhocorax (Aves, Corvidae).

Geographic diversification in the call repertoire of the genus Pyrrhocorax (Aves, Corvidae). Laiolo, Paola; Rolando, Antonio; Delestrade, Anne; De Sanctis, Augusto. Canadian Journal of Zoology; September 2001; v.79, no.9, p.1568-1576.

Geographic variation in the song of Willow Flycatchers: Differentiation between Empidonax traillii adastus and E. t. extimus. Sedgwick, James A. Auk; April 2001; v.118, no.2, p.366-379.

Geographic variation, hybridization, and the leapfrog pattern of evolution in the Suiriri Flycatcher (Suiriri suiriri) complex. Hayes, Floyd E. Auk; April 2001; v.118, no.2, p.457-471.

Geographical variation in the calls of the Choughs. Laiolo, Paola; Rolando, Antonio; Delestrade, Anne; de Sanctis, Augusto. Condor; May 2001; v.103, no.2, p.287-297.

Geographical variation in the contact calls of Orange-fronted Parakeets. Bradbury, Jack W.; Cortopassi, Kathryn A.; Clemmons, Janine R. Auk; October 2001; v.118, no.4, p.958-972.

Geographical variation in the timing of breeding and moult in dunlin Calidris alpina on the Palearctic tundra. Holmgren, Noel M. A.; Jonsson, Paul Eric; Wennerberg, Liv. Polar Biology; May 2001; v.24, no.5, p.369-377.

Geometric constraints explain much of the species richness pattern in African birds. Jetz, Walter; Rahbek, Carsten. Proceedings of the National Academy of Sciences of the United States of America; May 8 2001; v.98, no.10, p.5661-5666.

GIS assessment of the decline of gray partridge (Perdix perdix) nesting habitat in the Elbe River Lowlands, the Czech Republic, 1949-1996. Figala, Jaroslav; Prchalova, Jitka; Tester, John R. Ekologia (Bratislava); 2001; v.20, no.2, p.209-218.

Gizzard impaction in lesser rhea chicks (Pterocnemia pennata) raised on farms in Patagonia, Argentina. Reissig, Elizabeth Chang; Robles, Carlos A. Avian Diseases; January-March 2001; v.45, no.1, p.240-244.

Gizzard nematodiasis in Japanese mountain hawk eagle (Spizaetus nipalensis). Nakamura, Kikuyasu; Ohyama, Takayuki; Saito, Asuka; Yamada, Manabu; Imada, Tadao; Mase, Masaji. Avian Diseases; July-September 2001; v.45, no.3, p.751-754.

Glaucous Gull: Larus hyperboreus. Gilchrist, H. Grant. Birds of North America; 2001; no.573, p.1-31.

Gliding flight in a jackdaw: A wind tunnel study. Rosen, Mikael; Hedenstrom, Anders. Journal of Experimental Biology; March 2001; v.204, no.6, p.1153-1166.

Global climate change impact on birds: A review of research in Lithuania. Zalakevicius, Mecislovas; Zalakeviciute, Rasa. Folia Zoologica; 2001; v.50, no.1, p.1-17.

Global distribution of perfluorooctane sulfonate in wildlife. Giesy, John P.; Kannan, Kurunthachalam. Environmental Science & Technology; April 1 2001; v.35, no.7, p.1339-1342.

Global relationships amongst black-browed and grey-headed albatrosses: Analysis of population structure using mitochondrial DNA and microsatellites. Burg, T. M.; Croxall, J. P. Molecular Ecology; November 2001; v.10, no.11, p.2647-2660.

Global warming and body mass decline in Israeli passerine birds. Yom-Tov, Yoram. Proceedings of the Royal Society Biological Sciences Series B; 7 May 2001; v.268, no.1470, p.947-952.

Global-scale shorebird distribution in relation to productivity of near-shore ocean waters. Butler, Robert W.; Davidson, Nick C.; Morrison, R. I. Guy. Waterbirds; August 2001; v.24, no.2, p.224-232.

Goal-directed use of objects by American Crows. Caffrey, Carolee. Wilson Bulletin; March 2001; v.113, no.1, p.114-115.

Golden Eagle Aquila chrysaetos density and productivity in relation to land abandonment and forest expansion in the Alps. Pedrini, Paolo; Sergio, Fabrizio. Bird Study; July 2001; v.48, no.2, p.194-199.

Gonadal and hormonal phenology in free-living male rufous whistlers, Pachycephala rufiventris (Passeriformes: Pachycephalidae). McDonald, P. G.; Astheimer, L. B.; Buttemer, W. A. Australian Journal of Zoology; 2001; v.49, no.6, p.651-662.

good quality DNA. Jeffery, K. J.; Keller, L. F.; Arcese, P.; Bruford, M. W. Molecular Ecology Notes; March-June 2001; v.1, no.1-2, p.11-13.

Grassland bird conservation: CP1 vs. CP2 plantings in conservation reserve program fields in Missouri. McCoy, Timothy D.; Ryan, Mark R.; Burger, Loren W., Jr. American Midland Naturalist; January 2001; v.145, no.1, p.1-17.

Grasslands, grazing and biodiversity: Editors' introduction. Watkinson, A. R.; Ormerod, S. J. Journal of Applied Ecology; April 2001; v.38, no.2, p.233-237.

Gray Catbirds nesting in Alachua County, Florida. Leonard, David L., Jr.; Freifeld, Holly B. Florida Field Naturalist; September 2001; v.29, no.3, p.96-98.

Gray-cheeked thrush: Catharus minimus. Lowther, Peter E.; Rimmer, Christopher C.; Kesel, Brina; Johnson, Steven L.; Ellison, Water G. Birds of North America; 2001; no.591, p.1-18.

Grazing effects on between-year variation of farmland bird communities. Soderstrom, Bo; Part, Tomas; Linnarsson, Erik. Ecological Applications; August 2001; v.11, no.4, p.1141-1150.

Great Blue Heron eating a Pied-billed Grebe. Stolen, Eric D. Florida Field Naturalist; September 2001; v.29, no.3, p.87.

Great Egret preference for catfish size classes. Werner, Scott J.; Tobin, Mark E.; Fioranelli, Paul B. Waterbirds; December 2001; v.24, no.3, p.381-385.

Great Egret: Ardea alba. McCrimmon, Donald A., Jr.; Ogden, John C.; Bancroft, G. Thomas. Birds of North America; 2001; no.570, p.1-31.

Great tits, Parus major, lay too many eggs: Experimental evidence in mid-boreal habitats. Rytkonen, Seppo; Orell, Markku. Oikos; June 2001; v.93, no.3, p.439-450.

Great-tailed Grackle: Quiscalus mexicanus. Johnson, Kristine; Peer, Brian D. Birds of North America; 2001; no.576, p.1-27.

Ground-nesting Ospreys in Utah. Monson, Clark S. Journal of Raptor Research; September 2001; v.35, no.3, p.257-258.

Ground-nesting waterbirds and mammalian carnivores in the Virginia barrier island region: Running out of options. Erwin, R. Michael; Truitt, Barry R.; Jimenez, Jaime E. Journal of Coastal Research; Spring 2001; v.17, no.2, p.292-296.

Group breeding dramatically increases reproductive success of yearling but not older female scrubwrens: A model for cooperatively breeding birds? Magrath, Robert D. Journal of Animal Ecology; May 2001; v.70, no.3, p.370-385.

Group size and perching behaviour in young domestic fowl. Newberry, Ruth C.; Estevez, Inma; Keeling, Linda J. Applied Animal Behaviour Science; 28 July 2001; v.73, no.2, p.117-129.

Growing up with Chuck and Dick and Viktor Hamburger. Sloan, Doris; Marte, Carola. International Journal of Developmental Neuroscience; April 2001; v.19, no.2, p.123-124.

Growth and development of homeothermy in nestling European Shags (Phalacrocorax aristotelis). Ostnes, Jan Eivind; Jenssen, Bjorn Munro; Bech, Claus. Auk; October 2001; v.118, no.4, p.983-995.

Growth curve analyses in selected duck lines. Maruyama, K.; Vinyard, B.; Akbar, M. K.; Shafer, D. J.; Turk, C. M. British Poultry Science; December 2001; v.42, no.5, p.574-582.

Growth performance of local ducks, Khaki Campbell and their reciprocal crosses under different management systems. Nageswara, A. R.; Reddy, V. Ramasubba; Reddy, V. Ravindra; Eshwaraiah. Indian Journal of Poultry Science; April 2001; v.36, no.1, p.12-17.

Growth performance of local ducks, Khaki Campbell and their reciprocal crosses under different management systems. Nageswara, A. R.; Reddy, V. Ramasubba; Reddy, V. Ravindra; Eshwaraiah. Indian Journal of Poultry Science; April 2001; v.36, no.1, p.12-17.

Growth rate and energetics of Arabian Babbler (Turdoides squamiceps) nestlings. Anava, Avner; Kam, Michael; Shkolnik, Amiram; Degen, A. Allan. Auk; April 2001; v.118, no.2, p.519-524.

Habitat and nest site characteristics of Olrog's Gull Larus atlanticus breeding at Bahia San Blas, Argentina. Yorio, Pablo; Rabano, Daniel E.; Friedrich, Pablo. Bird Conservation International; March 2001; v.11, no.1, p.27-34.

Habitat associations of breeding Meadow Pipits Anthus pratensis in the British uplands. Vanhinsbergh, Des P.; Chamberlain, Dan E. Bird Study; July 2001; v.48, no.2, p.159-172.

Habitat changes in Laguna de Pozuelos, Jujuy, Argentina: Implications for South American Flamingo populations. Mascitti, Virginia. Waterbirds; April 2001; v.24, no.1, p.16-21.

Habitat choice in Phylloscopus warblers: The role of morphology, phylogeny and competition. Forstmeier, Wolfgang; Bourski, Oleg V.; Leisler, Bernd. Oecologia (Berlin); August 2001; v.128, no.4, p.566-576.

Habitat composition and use in the lesser grey shrike Lanius minor. Wirtitsch, Michael; Hoi, Herbert; Valera, Francisco; Kristin, Anton. Folia Zoologica; 2001; v.50, no.2, p.137-150.

Habitat constraints limit the distribution and population density of redwing francolin, Francolinus levaillantii, in the highland grasslands of Mpumalanga province, South Africa. Jansen, R.; Robinson, E. R.; Little, R. M.; Crowe, T. M. African Journal of Ecology; June 2001; v.39, no.2, p.146-155.

Habitat heterogeneity affects population growth in goshawk Accipiter gentilis. Krueger, Oliver; Lindstroem, Jan. Journal of Animal Ecology; March 2001; v.70, no.2, p.173-181.

Habitat preference of two burying beetles (Coleoptera: Silphidae: Nicrophorus) living among seabirds. Wilhelm, Sabina I.; Larson, David J.; Storey, Anne E. Northeastern Naturalist; 2001; v.8, no.4, p.435-442.

Habitat preferences of great bustard Otis tarda flocks in the arable steppes of central Spain: Are potentially suitable areas unoccupied? Lane, Simon J.; Alonso, Juan C.; Martin, Carlos A. Journal of Applied Ecology; February 2001; v.38, no.1, p.193-203.

Habitat preferences of pinyon-juniper specialists near the limit of their geographic range. Pavlacky, David C., Jr.; Anderson, Stanley H. Condor; May 2001; v.103, no.2, p.322-331.

Habitat requirements of the Socorro Mockingbird Mimodes graysoni. Martinez-Gomez, Juan E.; Flores-Palacios, Alejandro; Curry, Robert L. Ibis; July 2001; v.143, no.3, p.456-467.

Habitat selection and activity budgets of Keel-billed Toucans at the landscape level. Graham, Catherine. Condor; November 2001; v.103, no.4, p.776-784.

Habitat selection and activity budgets of Keel-billed Toucans at the landscape level. Graham, Catherine. Condor; November 2001; v.103, no.4, p.776-784.

Habitat selection and use by a hybrid of white and Tibetan eared pheasants in eastern Tibet during the post-incubation period. Lu, Xin; Zheng, Guang Mei. Canadian Journal of Zoology; February 2001; v.79, no.2, p.319-324.

Habitat selection by the Canary Islands stonechat (Saxicola dacotiae) (Meade-Waldo, 1889) in Fuerteventura Island: A two-tierhabitat approach with implications for its conservation. Illera, Juan Carlos. Biological Conservation; February 2001; v.97, no.3, p.339-345.

Habitat selection by the Common Sandpiper (Actitis hypoleucos) in west-central Spain. Diez, Fernando; Peris, Salvador J. Ornis Fennica; 2001; v.78, no.3, p.127-134.

Habitat selection in a recovering Osprey Pandion haliaetus population. Lohmus, Asko. Ibis; October 2001; v.143, no.4, p.651-657.

Habitat use and diet of skylarks Alauda arvensis wintering on lowland farmland in southern Britain. Donald, P. F.; Buckingham, D. L.; Moorcroft, D.; Muirhead, L. B.; Evans, A. D.; Kirby, W. B. Journal of Applied Ecology; June 2001; v.38, no.3, p.536-547.

Habitat use and diversity of waterbirds in a coastal lagoon around Lake Biwa, Japan. Hattori, Akihisa; Mae, Satoshi. Ecological Research; September 2001; v.16, no.3, p.543-553.

Habitat use and diversity of waterbirds in a coastal lagoon around Lake Biwa, Japan. Hattori, Akihisa; Mae, Satoshi. Ecological Research; September 2001; v.16, no.3, p.543-553.

Habitat use and foraging ecology of the nightjar (Caprimulgus europaeus) in the Swiss Alps: Towards a conservation scheme. Sierro, Antoine; Arlettaz, Raphael; Naef-Daenzer, Beat; Strebel, Stephan; Zbinden, Niklaus. Biological Conservation; April 2001; v.98, no.3, p.325-331.

Habitat use and foraging patterns of a reintroduced population of the South Island saddleback (Philesturnus carunculatus carunculatus), the first breeding season after release. Pierre, Johanna P. Notornis; June 2001; v.48, no.2, p.63-71.

Habitat use by black rat snakes (Elaphe obsoleta obsoleta) in fragmented forests. Blouin-Demers, Gabriel; Weatherhead, Patrick J. Ecology (Washington D C); October 2001; v.82, no.10, p.2882-2896.

Habitat use by Loggerhead Shrikes in Ontario and Quebec. Chabot, Amy A.; Titman, Rodger D.; Bird, David M. Canadian Journal of Zoology; May 2001; v.79, no.5, p.916-925.

Habitat use by Weddell seals and emperor penguins foraging in the Ross Sea, Antarctica. Burns, Jennifer M.; Kooyman, Gerald L. American Zoologist; February 2001; v.41, no.1, p.90-98.

Habitat use by wintering Ruddy Shelduck at Lashihai Lake, Lijiang, China. Quan, Rui-Chang; Wen, Xianji; Yang, Xiaojun; Peng, Gui-Hong; Huang, Ting-Fa. Waterbirds; December 2001; v.24, no.3, p.402-406.

Habitat use by wintering Steller's Eiders Polysticta stelleri in northern Norway. Bustnes, Jan O.; Systad, Geir H. Ardea; 2001; v.89, no.2, p.267-274.

Habitat use by wintering Steller's Eiders Polysticta stelleri in northern Norway. Bustnes, Jan O.; Systad, Geir H. Ardea; 2001; v.89, no.2, p.267-274.

Habitat use, population density, and home range of Elf Owls (Micrathene whitneyi) at Santa Ana National Wildlife refuge, Texas. Gamel, Christopher M.; Brush, Timothy. Journal of Raptor Research; September 2001; v.35, no.3, p.214-220.

Habitat use, population density, and home range of Elf Owls (Micrathene whitneyi) at Santa Ana National Wildlife refuge, Texas. Gamel, Christopher M.; Brush, Timothy. Journal of Raptor Research; September 2001; v.35, no.3, p.214-220.

Habitat use, temporal activity patterns and foraging behaviour of raptors in the south-west of the Northern Territory, Australia. Aumann, Tom Wildlife Research; 2001; v.28, no.4, p.365-378.

Habitat-mediated predation risk and decision making of small birds at forest edges. Rodriguez, Alejandro; Andren, Henrik; Jansson, Gunnar. Oikos; December 2001; v.95, no.3, p.383-396.

Habitat-specific demography of a long-distance, neotropical migrant bird, the Eastern Kingbird. Murphy, Michael T. Ecology (Washington D C); May 2001; v.82, no.5, p.1304-1318.

Hand-rearing techniques and social bonding in a young King Vulture, Sarcoramphus papa, at the menagerie du jardin des Sarcoramphus papa, at the Menagerie du Jardin des Plantes. Schlee, Marsha A. Zoologische Garten; Juli 2001; v.71, no.4, p.221-242.

Harvesting unstable populations: Red grouse Lagopus lagopus scoticus (Lath.) in the United Kingdom. Hudson, Peter J.; Dobson, Andrew P. Wildlife Biology; September 2001; v.7, no.3, p.189-195.

Harvesting unstable populations: Red grouse Lagopus lagopus scoticus (Lath.) in the United Kingdom. Hudson, Peter J.; Dobson, Andrew P. Wildlife Biology; September 2001; v.7, no.3, p.189-195.

Has sexual selection been overlooked in the study of avian helping behaviour? Putland, David. Animal Behaviour; October 2001; v.62, no.4, p.811-814.

Hatching asynchrony and maternal androgens in egg yolks of House Wrens. Ellis, Lisa A.; Borst, David W.; Thompson, Charles F. Journal of Avian Biology; March 2001; v.32, no.1, p.26-30.

Hatching date influences age at first reproduction in the black-headed gull. Prevot-Julliard, Anne-Caroline; Pradel, Roger; Julliard, Romain; Grosbois, Vladimir; Lebreton, Jean-Dominique. Oecologia (Berlin); March 2001; v.127, no.1, p.62-68.

Head position as an indicator of producer and scrounger tactics in a ground-feeding bird. Coolen, Isabelle; Giraldeau, Luc-Alain; Lavoie, Myriam. Animal Behaviour; May 2001; v.61, no.5, p.895-903.

Head stabilization in herons. Katzir, G.; Schechtman, E.; Carmi, N.; Weihs, D. Journal of Comparative Physiology A Sensory Neural and Behavioral Physiology; July 2001; v.187, no.6, p.423-432.

Health effects following chronic dosing with tungsten-iron and tungsten-polymer shot in adult game-farm mallards. Mitchell, R. R.; Fitzgerald, S. D.; Aulerich, R. J.; Balander, R. J.; Powell, D. C.; Tempelman, R. J.; Stickle, R. L.; Stevens, W.; Bursian, S. J. Journal of Wildlife Diseases; July 2001; v.37, no.3, p.451-458.

Health evaluation of penguins (Sphenisciformes) following mortality in the Falklands (South Atlantic). Keymer, I. F.; Malcolm, H. M.; Hunt, A.; Horsley, D. T. Diseases of Aquatic Organisms; August 2 2001; v.45, no.3, p.159-169.

Heart rate and rate of oxygen consumption of exercising macaroni penguins. Green, J. A.; Butler, P. J.; Woakes, A. J.; Boyd, I. L.; Holder, R. L. Journal of Experimental Biology; February 2001; v.204, no.4, p.673-684.

Heart rate as an indicator of oxygen consumption: Influence of body condition in the king penguin. Froget, G.; Butler, P. J.; Handrich, Y.; Woakes, A. J. Journal of Experimental Biology; June 2001; v.204, no.12, p.2133-2144.

Heart rate changes reveal that little blue penguin chicks (Eudyptula minor) can use vocal signatures todiscriminate familiar from unfamiliar chicks. Nakagawa, Shinichi; Waas, Joseph R.; Miyazaki, Masamine. Behavioral Ecology and Sociobiology; July 2001; v.50, no.2, p.180-188.

Heat loads on reproducing bobwhites in the semiarid subtropics. Guthery, Fred S.; Land, Charles L.; Hall, Brent W. Journal of Wildlife Management; January 2001; v.65, no.1, p.111-117.

Heat production and body temperature of Arabian babblers (Turdoides squamiceps): A bird from hot desert habitats. Anava, Avner; Kam, Michael; Shkolnik, Amiram; Degen, A. Allan. Journal of Arid Environments; May 2001; v.48, no.1, p.59-67.

Heavy metal concentrations in tapeworms Diploposthe laevis and Microsomacanthus compressa parasitizing aquatic birds. Tenora, F.; Kracmar, S.; Prokes, M.; Barus, V.; Sitko, J. Helminthologia (Bratislava); June 2001; v.38, no.2, p.63-66.

Heavy metals and selenium in feathers of great tits (Parus major) along a pollution gradient. Janssens, Ellen; Dauwe, Tom; Bervoets, Lieven; Eens, Marcel. Environmental Toxicology and Chemistry; December 2001; v.20, no.12, p.2815-2820.

Heavy metals in soft tissue of white-tailed eagles found dead or moribund in Germany and Austria from 1993 to 2000. Kenntner, Norbert; Tataruch, Frieda; Krone, Oliver. Environmental Toxicology and Chemistry; August 2001; v.20, no.8, p.1831-1837.

Helminth parasites in six species of shorebirds (Charadrii) from the coast of Belize. Canaris, Albert G.; Kinsella, John M. Memorias do Instituto Oswaldo Cruz; August 2001; v.96, no.6, p.827-830.

Helping behaviour in Australian Magpies, Gymnorhina tibicen. Finn, P. G.; Hughes, J. M. Emu; 2001; v.101, no.1, p.57-63.

Hematozoa of hatch-year common mergansers from Michigan. DeJong, Randall J.; Reimink, Ronald L.; Blankespoor, Harvey D. Journal of Wildlife Diseases; April 2001; v.37, no.2, p.403-407.

Hemispheric memories for the content and position of food caches in the domestic chick. Cozzutti, Claudio; Vallortigara, Giorgio. Behavioral Neuroscience; April 2001; v.115, no.2, p.305-313.

Hemograms for and nutritional condition of migrant bald eagles tested for exposure to lead. Miller, Michael J. R.; Wayland, Mark E.; Bortolotti, Gary R. Journal of Wildlife Diseases; July 2001; v.37, no.3, p.481-488.

Heritability estimates of some economic traits in control and selected populations of Japanese quail. Kumar, Ajay; Verma, S. B.; Mohan, Mani; Mandal, K. G. Indian Veterinary Journal; February 2001; v.78, no.2, p.126-129.

Heritability of arrival date in a migratory bird. Moller, Anders Pape. Proceedings of the Royal Society Biological Sciences Series B; 22 January 2001; v.268, no.1463, p.203-206.

Heritability of morphological traits in Darwin's finches: Misidentified paternity and maternal effects. Keller, Lukas F.; Grant, Peter R.; Grant, B. Rosemary; Petren, Kenneth. Heredity; September 2001; v.87, no.3, p.325-336.

Heritability of the timing of autumn migration in a natural bird population. Pulido, Francisco; Berthold, Peter; Mohr, Gabriele; Querner, Ulrich. Proceedings of the Royal Society Biological Sciences Series B; 7 May 2001; v.268, no.1470, p.953-959.

Herring gulls learn to feed on a recent invader in the Dutch Wadden Sea, the Pacific oyster Crassostrea gigas. Cadee, Gerhard C. Basteria; 2001; v.65, no.1-3, p.33-42.

Heteropteran chemical repellents identified in the citrus odor of a seabird (crested auklet: Aethia cristatella): Evolutionary convergence in chemical ecology. Douglas, H. D.; Co, J. E.; Jones, T. H.; Conner, W. E. Naturwissenschaften; August 2001; v.88, no.8, p.330-332.

Heterospecific responses to scream calls and vocal mimicry by phainopeplas (Phainopepla nitens) in distress. Chu, Miyoko. Behaviour; June 2001; v.138, no.6, p.775-787.

Heterothermia in pigeons and doves reduces energetic costs. Schleucher, Elke. Journal of Thermal Biology; September 2001; v.26, no.4-5, p.287-293.

Heterothermic responses in the speckled mousebird (Colius striatus). McKechnie, A. E.; Lovegrove, B. G. Journal of Comparative Physiology B Biochemical Systemic and Environmental Physiology; August 2001; v.171, no.6, p.507-518.

Hidden change: Cryptic evolution in flycatchers. Hosken, David J. Trends in Ecology & Evolution; November 2001; v.16, no.11, p.593-594.

Hierarchical processing of horizontal disparity information in the visual forebrain of behaving owls. Nieder, Andreas; Wagner, Hermann. Journal of Neuroscience; June 15 2001; v.21, no.12, p.4514-4522.

High ectoparasite loads in hole-nesting birds: A nestbox bias? Wesolowski, Tomasz; Stanska, Marzena. Journal of Avian Biology; September 2001; v.32, no.3, p.281-285.

High frequency of extra-pair paternity in Eastern Kingbirds. Rowe, Diane L.; Murphy, Michael T.; Fleischer, Robert C.; Wolf, Paul G. Condor; November 2001; v.103, no.4, p.845-851.

High levels of docosahexaenoic acid (22:6n-3)-containing phospholipids in high-frequency contraction muscles of hummingbirds and rattlesnakes. Infante, Juan P.; Kirwan, Ryan C.; Brenna, J. Thomas. Comparative Biochemistry and Physiology Part B Biochemistry & Molecular Biology; October 2001; v.130B, no.3, p.291-298.

High levels of extra-pair paternity in an isolated, low-density, island population of tree swallows (Tachycineta bicolor). Conrad, K. F.; Johnston, P. V.; Crossman, C.; Kempenaers, B.; Robertson, R. J.; Wheelwright, N. T.; Boag, P. T. Molecular Ecology; May 2001; v.10, no.5, p.1301-1308.

High predictability in introduction outcomes and the geographical range size of introduced Australian birds: A role for climate. Duncan, Richard P.; Bomford, Mary; Forsyth, David M.; Conibear, Louise. Journal of Animal Ecology; July 2001; v.70, no.4, p.621-632.

High productivity and nesting success of South Island robins (Petroica australis australis) following predator control at St Arnaud, Nelson Lakes, South Island. Etheridge, N.; Powlesland, R. G. Notornis; September 2001; v.48, no.3, p.179-180.

Higher-level phylogeny of New World vireos (Aves: Vireonidae) based on sequences of multiple mitochondrial DNA genes. Cicero, Carla; Johnson, Ned K. Molecular Phylogenetics and Evolution; July 2001; v.20, no.1, p.27-40.

Higher-order phylogenetics of modern Aves based on comparative anatomy. Livezey, Bradley C.; Zusi, Richard L. Netherlands Journal of Zoology; June 2001; v.51, no.2, p.179-205.

Hindlimb of a giant terrestrial bird from the upper Eocene, Fayum, Egypt. Rasmussen, T. D.; Simons, E. L.; Hertel, F.; Judd, A. Palaeontology (Oxford); March 2001; v.44, no.2, p.325-337.

Hippocampal growth and maintenance depend on food-caching experience in juvenile mountain chickadees (Poecile gambeli). Clayton, Nicola S. Behavioral Neuroscience; June 2001; v.115, no.3, p.614-625.

Hippocampal volume does not change seasonally in a non food-storing songbird. Lee, Diane W.; Smith, G. Troy; Tramontin, Anthony D.; Soma, Kiran K.; Brenowitz, Eliot A.; Clayton, Nicola S. Neuroreport; 3 July 2001; v.12, no.9, p.1925-1928.

Hippocampus and homing in pigeons: Left and right hemispheric differences in navigational map learning. Gagliardo, Anna; Ioale, Paolo; Odetti, Francesca; Bingman, Verner P.; Siegel, Jennifer J.; Vallortigara, Giorgio. European Journal of Neuroscience; April 2001; v.13, no.8, p.1617-1624.

Histochemical studies on the uropygial gland of the domestic duck (Anas boschas domesticus). Sunanda, K.; Rao, T. S. Chandrasekhara; Nagamalleswari, Y.; Ramayya, P. Jagapathi; Laskhmi, M. Shanti; Purushotham, G. Indian Journal of Poultry Science; August 2001; v.36, no.2, p.125-129.

Historic record of Australian Pelican, Pelecanus conspicillatus, breeding in southwest Western Australia. Abbott, Ian. Western Australian Naturalist; April 19 2001; v.23, no.1, p.1-7.

Historical biogeography and a mitochondrial DNA phylogeny of grouse and ptarmigan. Lucchini, Vittorio; Hoglund, Jacob; Klaus, Siegfried; Swenson, Jon; Randi, Ettore. Molecular Phylogenetics and Evolution; July 2001; v.20, no.1, p.149-162.

Historical changes in the abundance and distribution of the American Avocet at the northern limit of its winter range. Colwell, Mark A.; Danufsky, Tamar; Mathis, Ryan L.; Harris, Stanley W. Western Birds; 2001; v.32, no.1, p.1-12.

Historical changes in the abundance and distribution of the American Avocet at the northern limit of its winter range. Colwell, Mark A.; Danufsky, Tamar; Mathis, Ryan L.; Harris, Stanley W. Western Birds; 2001; v.32, no.1, p.1-12.

History and status of colonies of Heermann's Gull in Mexico. Mellink, Eric. Waterbirds; August 2001; v.24, no.2, p.188-194.

History and taxonomy: Their roles in the core-satellite hypothesis. Mehranvar, Ladan; Jackson, Donald A. Oecologia (Berlin); March 2001; v.127, no.1, p.131-142.

History of domestic and feral pigeons (Columba livia) in Finland before 1900 A.D. Vuorisalo, Timo; Lehikoinen, Esa; Lahtinen, Rauno. Ornis Fennica; 2001; v.78, no.3, p.119-126.

History of domestic and feral pigeons (Columba livia) in Finland before 1900 A.D. Vuorisalo, Timo; Lehikoinen, Esa; Lahtinen, Rauno. Ornis Fennica; 2001; v.78, no.3, p.119-126.

Home range and habitat selection in the Pygmy Owl Glaucidium passerinum. Strom, Hallvard; Sonerud, Geir A. Ornis Fennica; 2001; v.78, no.4, p.145-158.

Home range and habitat selection in the Pygmy Owl Glaucidium passerinum. Strom, Hallvard; Sonerud, Geir A. Ornis Fennica; 2001; v.78, no.4, p.145-158.

Home range and territoriality of two Hawaiian honeycreepers, the 'Akohekohe and Maui Parrotbill. Pratt, Thane K.; Simon, John C.; Farm, Brian P.; Berlin, Kim E.; Kowalsky, James R. Condor; November 2001; v.103, no.4, p.746-755.

Home range and territoriality of two Hawaiian honeycreepers, the 'Akohekohe and Maui Parrotbill. Pratt, Thane K.; Simon, John C.; Farm, Brian P.; Berlin, Kim E.; Kowalsky, James R. Condor; November 2001; v.103, no.4, p.746-755.

Home range size, nest-site selection and nesting success of Black Rails in Florida. Legare, Michael L.; Eddleman, William R. Journal of Field Ornithology; Winter 2001; v.72, no.1, p.170-177.

Home-range size and habitat selection of female wild turkeys (Meleagris gallopavo) in Arkansas. Thogmartin, Wayne E. American Midland Naturalist; April 2001; v.145, no.2, p.247-260.

Hooded Oriole: Icterus cucullatus. Pleasants, Barbara Y.; Albano, Daniel J. Birds of North America; 2001; no.568, p.1-15.

Horizontal and vertical ectoparasite transmission of three species of Malophaga, and individual variation in European bee-eaters (Merops apiaster). Darolova, Alzbeta; Hoi, Herbert; Kristofik, Jan; Hoi, Christine. Journal of Parasitology; April 2001; v.87, no.2, p.256-262.

Hormonal correlates of siblicide in galapagos Nazca boobies. Tarlow, Elisa M.; Wikelski, Martin; Anderson, David J. Hormones and Behavior; August 2001; v.40, no.1, p.14-20.

Host activity and the risk of nest parasitism by brown-headed cowbirds. Banks, Alison J.; Martin, Thomas E. Behavioral Ecology; Jan.-Feb. 2001; v.12, no.1, p.31-40.

Host range and dynamics of mycoplasmal conjunctivitis among birds in North America. Hartup, Barry K.; Dhondt, Andre A.; Sydenstricker, Keila V.; Hochachka, Wesley M.; Kollias, George V. Journal of Wildlife Diseases; January 2001; v.37, no.1, p.72-81.

Host specificity and incidence of Trypanosoma in some African rainforest birds: A molecular approach. Sehgal, Ravinder N. M.; Jones, Hugh I.; Smith, Thomas B. Molecular Ecology; September 2001; v.10, no.9, p.2319-2327.

Host specificity of a generalist parasite: Genetic evidence of sympatric host races in the seabird tick Ixodes uriae. McCoy, K. D.; Boulinier, T.; Tirard, C.; Michalakis, Y. Journal of Evolutionary Biology; May 2001; v.14, no.3, p.395-405.

Host-parasite interactions in natural holes: Marsh tits (Parus palustris) and blow flies (Protocalliphora falcozi). Wesolowski, Tomasz. Journal of Zoology (London); December 2001; v.255, no.4, p.495-503.

House Finches are not just what they eat: A reply to Hill. Zahn, Sherie N.; Rothstein, Stephen I. Auk; January 2001; v.118, no.1, p.260-266.

House sparrow swiftly kills and eats catocala moth at the Pas, MB. Krivda, Walter. Blue Jay; December 2001; v.59, no.4, p.210.

Hovering performance of hummingbirds in hyperoxic gas mixtures. Altshuler, Douglas L.; Chai, Peng; Chen, Jeff S. P. Journal of Experimental Biology; June 2001; v.204, no.11, p.2021-2027.

How are different Common Cuckoo Cuculus canorus egg morphs maintained? An evaluation of different hypotheses. Honza, Marcel; Moksnes, Arne; Roskaft, Eivin; Stokke, Bard G. Ardea; 2001; v.89, no.2, p.341-352.

How birds use their eyes: Opposite left-right specialization for the lateral and frontal visual hemifield in the domestic chick. Vallortigara, Giorgio; Cozzutti, Claudio; Tommasi, Luca; Rogers, Lesley J. Current Biology; 9 January 2001; v.11, no.1, p.29-33.

How general is the central-periphery distribution among seabird colonies? Nest spatial pattern in the European Shag. Velando, Alberto; Freire, Juan. Condor; August 2001; v.103, no.3, p.544-554.

How important are direct fitness benefits of sexual selection? Moller, A. P.; Jennions, M. D. Naturwissenschaften; October 2001; v.88, no.10, p.401-415.

How long should a dive last? A simple model of foraging decisions by breath-hold divers in a patchy environment. Thompson, D.; Fedak, M. A. Animal Behaviour; February 2001; v.61, no.2, p.287-296.

How much energy do barn owls (Tyto alba) save by roosting? McCafferty, Dominic J.; Moncrieff, John B.; Taylor, Iain R. Journal of Thermal Biology; June 2001; v.26, no.3, p.193-203.

How predator incursions affect critical patch size: The role of the functional response. Cantrell, Robert Stephen; Cosner, Chris; Fagan, William F. American Naturalist; October 2001; v.158, no.4, p.368-375.

How to hatch from an egg of great structural strength. A study of the Common Cuckoo. Honza, Marcel; Picman, Jaroslav; Grim, Tomas; Novak, Vit; Capek, Miroslav, Jr.; Mrlik, Vojtech. Journal of Avian Biology; September 2001; v.32, no.3, p.249-255.

How well do predation rates on artificial nests estimate predation on natural passerine nests? Weidinger, Karel. Ibis; October 2001; v.143, no.4, p.632-641.

Human-dominated ecosystems and restoration ecology: Seveso today. Garagna, S.; Zuccotti, M.; Vecchi, M. L.; Rubini, P. G.; Capanna, E.; Redi, C. A. Chemosphere; May-June 2001; v.43, no.4-7, p.577-585.

Human-imprinted northern bobwhite chicks and indexing arthropod foods in habitat patches. Palmer, William E.; Lane, M. Walter, II; Bromley, Peter T. Journal of Wildlife Management; October 2001; v.65, no.4, p.861-870.

Hummingbird flower mites and Tillandsia spp. (Bromeliaceae): Polyphagy in a cloud forest of Veracruz, Mexico. Garcia-Franco, Jose G.; Martinez Burgoa, Daniel; Perez, Tila Maria. Biotropica; September 2001; v.33, no.3, p.538-542.

Hummingbird foraging behavior in different patch types: Simulation of alternative strategies. Baum, Kristen A.; Grant, William E. Ecological Modelling; 20 February 2001; v.137, no.2-3, p.201-209.

Humoral immunocompetence correlates with date of egg-laying and reflects work load in female tree swallows. Hasselquist, Dennis; Wasson, Matthew F.; Winkler, David W. Behavioral Ecology; Jan.-Feb. 2001; v.12, no.1, p.93-97.

Hunting disturbance and the timing of autumn migration in Anas species. Vaananen, Veli-Matti. Wildlife Biology; March 2001; v.7, no.1, p.3-9.

Hunting impact on waders in Spain: Effects of species protection measures. Barbosa, Andres. Biodiversity and Conservation; October 2001; v.10, no.10, p.1703-1709.

Hunting impact on waders in Spain: Effects of species protection measures. Barbosa, Andres. Biodiversity and Conservation; October 2001; v.10, no.10, p.1703-1709.

Hybridization and adaptive mate choice in flycatchers. Veen, Thor; Borge, Thomas; Griffith, Simon C.; Saetre, Glenn-Peter; Bures, Stanislav; Gustafsson, Lars; Sheldon, Ben C. Nature (London); 3 May 2001; v.411, no.6833, p.45-50.

Hydrodynamic drag of diving birds: Effects of body size, body shape and feathers at steady speeds. Lovvorn, James R.; Liggins, Geoffrey A.; Borstad, Matthias H.; Calisal, Sander M.; Mikkelsen, Jon. Journal of Experimental Biology; May 2001; v.204, no.9, p.1547-1557.

Hydrographic correlates of winter Dunlin abundance and distribution in a temperate estuary. Kelly, John P. Waterbirds; December 2001; v.24, no.3, p.309-322.

Hydrological and botanical man-made changes in the Spanish wetland of Las Tablas de Daimiel. Alvarez-Cobelas, M.; Cirujano, S.; Sanchez-Carrillo, S. Biological Conservation; January 2001; v.97, no.1, p.89-98.

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Hypothetical mechanisms of the initial evolution of sexually dimorphic tail streamers in Hirundinidae. Matyjasiak, Piotr; Jablonski, Piotr G. Evolution; February 2001; v.55, no.2, p.446-448.

Idaho Black Swifts: Nesting habitat and a spatial analysis of records. Dumroese, R. Kasten; Mousseaux, Mark R.; Sturts, Shirley Horning; Stephens, Daniel A.; Holick, Paul A. Western Birds; March 15 2001; v.32, no.4, p.218-227.

Identification and analysis of a new hepadnavirus in white storks. Pult, Irmgard; Netter, Hans Juergen; Bruns, Michael; Prassolov, Alex; Sirma, Hueseyin; Hohenberg, Heinz; Chang, Shau-Feng; Froelich, Kai; Krone, Oliver; Kaleta, Erhard F.; Will, Hans. Virology; October 10 2001; v.289, no.1, p.114-128.

Identification and analysis of a new hepadnavirus in white storks. Pult, Irmgard; Netter, Hans Juergen; Bruns, Michael; Prassolov, Alex; Sirma, Hueseyin; Hohenberg, Heinz; Chang, Shau-Feng; Froelich, Kai; Krone, Oliver; Kaleta, Erhard F.; Will, Hans. Virology; October 10 2001; v.289, no.1, p.114-128.

Identification of ectoparasites on Burrowing Owls in Southwestern Idaho. Smith, Brian W.; Belthoff, James R. Journal of Raptor Research; June 2001; v.35, no.2, p.159-161.

Identification of Marsh Warblers Acrocephalus palustris and Reed Warblers A. scirpaceus on autumn migration through the eastern Mediterranean. Wilson, Jeremy D.; Akriotis, Triantaphyllos; Balmer, Dawn E.; Kyrkos, Antonios. Ringing & Migration; May 2001; v.20, no.3, p.224-232.

Identification of parasitized nests by using egg morphology in the Common Goldeneye: An alternative to blood sampling. Poysa, Hannu; Runko, Pentti; Ruusila, Vesa; Milonoff, Markku. Journal of Avian Biology; March 2001; v.32, no.1, p.79-82.

Identifying conservation-priority areas in a fragmented Minnesota landscape based on the umbrella species concept and selection of large patches of natural vegetation. Poiani, Karen A.; Merrill, Michael D.; Chapman, Kim A. Conservation Biology; April 2001; v.15, no.2, p.513-522.

Identifying rice fields at risk from damage by the greater flamingo. Tourenq, Christophe; Aulagnier, Stephane; Durieux, Laurent; Lek, Sovan; Mesleard, Francois; Johnson, Alan; Martin, Jean-Louis. Journal of Applied Ecology; February 2001; v.38, no.1, p.170-179.

Identifying valuable corn quality traits for livestock feed. Johnson, Lawrence A.; Hardy, Connie L.; Baumel, C. Phillip; Yu, T.-H.; Sell, Jerry L. Cereal Foods World; October 2001; v.46, no.10, p.472-481.

Ignorant hooded crows follow knowledgeable roost-mates to food: Support for the information centre hypothesis. Sonerud, Geir A.; Smedshaug, Christian A.; Brathen, Oystein. Proceedings of the Royal Society Biological Sciences Series B; 22 April 2001; v.268, no.1469, p.827-831.

III. Palaeogeography Palaeoclimatology Palaeoecology; 15 March 2001; v.167, no.3-4, p.243-271.

Imitative learning in Japanese quail (Coturnix japonica) depends on the motivational state of the observer quail at the time of observation. Dorrance, Brigette R.; Zentall, Thomas R. Journal of Comparative Psychology; March 2001; v.115, no.1, p.62-67.

Immediate and transitory effects of delayed auditory feedback on bird song production. Cynx, Jeffrey; Uta, von Rad. Animal Behaviour; August 2001; v.62, no.2, p.305-312.

Immigration and the ephemerality of a natural population bottleneck: Evidence from molecular markers. Keller, Lukas F.; Jeffery, Kathryn J.; Arcese, Peter; Beaumont, Mark A.; Hochachka, Wesley M.; Smith, James N. M.; Bruford, Michael W. Proceedings of the Royal Society Biological Sciences Series B; 7 July 2001; v.268, no.1474, p.1387-1394.

Immigration and the ephemerality of a natural population bottleneck: Evidence from molecular markers. Keller, Lukas F.; Jeffery, Kathryn J.; Arcese, Peter; Beaumont, Mark A.; Hochachka, Wesley M.; Smith, James N. M.; Bruford, Michael W. Proceedings of the Royal Society Biological Sciences Series B; 7 July 2001; v.268, no.1474, p.1387-1394.

Immune challenge affects basal metabolic activity in wintering great tits. Ots, Indrek; Kerimov, Anvar B.; Ivankina, Elena V.; Ilyina, Tatyana A.; Horak, Peeter. Proceedings of the Royal Society Biological Sciences Series B; 7 June 2001; v.268, no.1472, p.1175-1181.

Immune defense and host sociality: A comparative study of swallows and martins. Moller, A. P.; Merino, S.; Brown, C. R.; Robertson, R. J. American Naturalist; August 2001; v.158, no.2, p.136-145.

Immunity, growth and begging behaviour of nestling Barn Swallows Hirundo rustica in relation to hatching order. Saino, Nicola; Incagli, Michele; Martinelli, Roberta; Ambrosini, Roberto; Moller, Anders Pape. Journal of Avian Biology; September 2001; v.32, no.3, p.263-270.

Immunity, growth and begging behaviour of nestling Barn Swallows Hirundo rustica in relation to hatching order. Saino, Nicola; Incagli, Michele; Martinelli, Roberta; Ambrosini, Roberto; Moller, Anders Pape. Journal of Avian Biology; September 2001; v.32, no.3, p.263-270.

Immunochemical characterization of edible bird's nest allergens. Goh, Denise Li Meng; Chua, Kaw Yan; Chew, Fook Tim; Seow, Teck Keong; Ou, Ke Li; Yi, Fong Cheng; Lee, Bee Wah. Journal of Allergy and Clinical Immunology; June 2001; v.107, no.6, p.1082-1088.

Immunoglobulin plasma concentration in relation to egg laying and mate ornamentation of female barn swallows (Hirundo rustica). Saino, N.; Martinelli, R.; Moller, A. P. Journal of Evolutionary Biology; January 2001; v.14, no.1, p.95-109.

Impact of estuarine fronts on the dispersal of piscivorous birds in the German Bight. Skov, Henrik; Prins, Erik. Marine Ecology Progress Series; April 26 2001; no.214, p.279-287.

Impact of the conservation reserve program on duck recruitment in the U.S. Prairie Pothole Region. Reynolds, Ronald E.; Shaffer, Terry L.; Renner, Randy W.; Newton, Wesley E.; Batt, Bruce D. J. Journal of Wildlife Management; October 2001; v.65, no.4, p.765-780.

Impact of vinclozolin on reproductive behavior and endocrinology in Japanese quail (Coturnix coturnix japonica). McGary, Sabrina; Henry, Paula F. P.; Ottinger, Mary Ann. Environmental Toxicology and Chemistry; November 2001; v.20, no.11, p.2487-2493.

Impacts of predation on northern bobwhite and scaled quail. Rollins, Dale; Carroll, John P. Wildlife Society Bulletin; Spring 2001; v.29, no.1, p.39-51.

Importance of a low talus in location of bank swallow (Riparia riparia) colonies. Ghent, Arthur W. American Midland Naturalist; October 2001; v.146, no.2, p.447-449.

Importance of early successional habitat to ruffed grouse and American woodcock. Dessecker, Daniel R.; McAuley, Daniel G. Wildlife Society Bulletin; Summer 2001; v.29, no.2, p.456-465.

Importance of the Japanese anchovy (Engraulis japonicus) to breeding rhinoceros auklets (Cerorhinca monocerata) on Teuri Island, Sea of Japan. Takahashi, A.; Kuroki, M.; Niizuma, Y.; Kato, A.; Saitoh, S.; Watanuki, Y. Marine Biology (Berlin); August 2001; v.139, no.2, p.361-371.

Importance of the supratidal habitats for maintaining overwintering shorebird populations: How Redshanks use tidal mudflats and adjacent saltworks in Southern Europe. Masero, Jose A.; Perez-Hurtado, Alejandro. Condor; February 2001; v.103, no.1, p.21-30.

Imported parakeets harbor H9N2 influenza A viruses that are genetically closely related to those transmitted to humans in Hong Kong. Mase, Masaji; Imada, Tadao; Sanada, Yasuyuki; Etoh, Mariko; Sanada, Naoko; Tsukamoto, Kenji; Kawaoka, Yoshihiro; Yamaguchi, Shigeo. Journal of Virology; April 2001; v.75, no.7, p.3490-3494.

In ovo exposure to polychlorinated biphenyls: Reproductive effects on second-generation American

Incidents of neckband icing and consequences for body condition and survival of pink-footed geese Anser brachyrhynchus. Madsen, Jesper; Kuijken, Eckhart; Kuijken-Verscheure, Christine; Hansen, Flemming; Cottaar, Fred. Wildlife Biology; March 2001; v.7, no.1, p.49-53.

Inconsistent pattern of extra-pair paternity in first and second broods of the Great Tit Parus major. Lubjuhn, Thomas; Bruen, Joerg; Gerken, Thomas; Epplen, Joerg Thomas. Ardea; 2001; v.89, no.1 Special Issue, p.69-73.

Increased reproductive effort results in male-biased offspring sex ratio: An experimental study in a species with reversed sexual

Increased reproductive effort results in male-biased offspring sex ratio: An experimental study in a species with reversed sexual size dimorphism. Kalmbach, Ellen; Nager, Ruedi G.; Griffiths, Richard; Furness, Robert W. Proceedings of the Royal Society Biological Sciences Series B; 22 October 2001; v.268, no.1481, p.2175-2179.

Increases and expansion of the New Brunswick breeding population of Black-legged Kittiwakes, Rissa tridactyla. Kehoe, F. Patrick; Diamond, Antony W. Canadian Field-Naturalist; April-June 2001; v.115, no.2, p.349-350.

Incubation behaviour of greater snow geese in relation to weather conditions. Poussart, Catherine; Gauthier, Gilles; Larochelle, Jacques. Canadian Journal of Zoology; April 2001; v.79, no.4, p.671-678.

Incubation weight loss of Christmas shearwater eggs on Christmas Island, Pacific Ocean. Whittow, G. C. Notornis; September 2001; v.48, no.3, p.175-176.

Indexing European bird population trends using results of national monitoring schemes: A trial of a new method. Van Strien, Arco J.; Pannekoek, Jeroen; Gibbons, David W. Bird Study; July 2001; v.48, no.2, p.200-213.

India. Hussain, M. Shah; Khan, Jamal A.; Kaul, Rahul. Tropical Ecology; Summer 2001; v.42, no.1, p.59-68.

Indicators of habitat quality and the reproductive output of a forest songbird in small and large fragments. Zanette, Liana. Journal of Avian Biology; March 2001; v.32, no.1, p.38-46.

Indirect partner choice through manipulation of male behaviour by female fowl, Gallus gallus domesticus. Pizzari, Tommaso. Proceedings of the Royal Society Biological Sciences Series B; 22 January 2001; v.268, no.1463, p.181-186.

Individual and seasonal variation in external genitalia of male Tree Swallows. Lombardo, Michael P. Auk; July 2001; v.118, no.3, p.789-795.

Individual diving behavior, food availability and chick growth rates in Chinstrap Penguins. Mori, Yoshihisa. Waterbirds; December 2001; v.24, no.3, p.443-445.

Individual identity coding depends on call type in the South Polar skua Catharacta maccormicki. Charrier, Isabelle; Jouventin, Pierre; Mathevon, Nicolas; Aubin, Thierry. Polar Biology; May 2001; v.24, no.5, p.378-382.

Individual variation in field metabolic rate of kittiwakes (Rissa tridactyla) during the chick-rearing period. Fyhn, Marianne; Gabrielsen, Geir W.; Nordoy, Erling S.; Moe, Borge; Langseth, Ingveig; Bech, Claus. Physiological and Biochemical Zoology; May-June 2001; v.74, no.3, p.343-355.

Induced maternal response to the Lyme disease spirochaete Borrelia burgdorferi sensu lato in a colonial seabird, the kittiwake Rissatridactyla. Gasparini, Julien; McCoy, Karen D.; Haussy, Claudy; Tveraa, Torkild; Boulinier, Thierry. Proceedings of the Royal Society Biological Sciences Series B; 22 March 2001; v.268, no.1467, p.647-650.

Infestation of a bird and two cats by larvae of Plodia interpunctella (Lepidoptera: Pyralidae). Pinckney, Rhonda D.; Kanton, Karin; Foster, Cheryl N.; Steinberg, Howard; Pellitteri, Phillip. Journal of Medical Entomology; September 2001; v.38, no.5, p.725-727.

Influence of cattle grazing on population density and species richness of granivorous birds (Emberizidae) in the arid plain of the Monte, Argentina. Marcelo Gonnet, Jorge. Journal of Arid Environments; August 2001; v.48, no.4, p.569-579.

Influence of changes in sagebrush on Gunnison sage grouse in southwestern Colorado. Oyler-McCance, Sara J.; Burnham, Kenneth P.; Braun, Clait E. Southwestern Naturalist; September 2001; v.46, no.3, p.323-331.

Influence of environmental enrichment on injurious pecking and perching behaviour in young turkeys. Martrenchar, A.; Huonnic, D.; Cotte, J. P. British Poultry Science; May 2001; v.42, no.2, p.161-170.

Influence of environmental variability on breeding effort in a long-lived seabird, the yellow-nosed albatross. Weimerskirch, Henri; Zimmermann, Laurent; Prince, Peter A. Behavioral Ecology; Jan.-Feb. 2001; v.12, no.1, p.22-30.

Influence of food and water availability on undirected singing and energetic status in adult male zebra finches (Taeniopygia guttata). Rashotte, Michael E.; Sedunova, Elena V.; Johnson, Frank; Pastukhov, Iu. F. Physiology & Behavior; November-December 2001; v.74, no.4-5, p.533-541.

Influence of forest cover on the movements of forest birds: A homing experiment. Belisle, Marc; Desrochers, Andre; Fortin, Marie-Josee. Ecology (Washington D C); July 2001; v.82, no.7, p.1893-1904.

Influence of group size and neonatal handling on growth rates, survival, and tameness of juvenile houbara bustards. Van Heezik, Yolanda; Seddon, Philip J. Zoo Biology; 2001; v.20, no.5, p.423-433.

Influence of host ecology and morphology on the diversity of neotropical bird lice. Clayton, D. H.; Walther, B. A. Oikos; September 2001; v.94, no.3, p.455-467.

Influence of landscape composition and change on lesser prairie-chicken (Tympanuchus pallidicinctus) populations. Woodward, Alan J. W.; Fuhlendorf, Samuel D.; Leslie, David M., Jr.; Shackford, J. American Midland Naturalist; April 2001; v.145, no.2, p.261-274.

Influence of landscape composition on avian community structure and associated mechanisms. Rodewald, Amanda D.; Yahner, Richard H. Ecology (Washington D C); December 2001; v.82, no.12, p.3493-3504.

Influence of landscape composition on bird use of rowcrop fields. Best, Louis B.; Bergin, Timothy M.; Freemark, Kathryn E. Journal of Wildlife Management; July 2001; v.65, no.3, p.442-449.

Influence of military activities on raptor abundance and behavior. Schueck, Linda S.; Marzluff, John M.; Steenhof, Karen. Condor; August 2001; v.103, no.3, p.606-615.

Influence of military activities on raptor abundance and behavior. Schueck, Linda S.; Marzluff, John M.; Steenhof, Karen. Condor; August 2001; v.103, no.3, p.606-615.

Influence of mining-related activities on concentrations of metals in water and sediment from streams of the Black Hills, South Dakota. May, T. W.; Wiedmeyer, R. H.; Gober, J.; Larson, S. Archives of Environmental Contamination and Toxicology; January 2001; v.40, no.1, p.1-9.

Influence of patch- and landscape-level factors on bird assemblages in a fragmented tropical landscape. Graham, Catherine H.; Blake, John G. Ecological Applications; December 2001; v.11, no.6, p.1709-1721.

Influence of perennial upland cover on occupancy of nesting structures by mallards in northeastern North Dakota. Artmann, Michael J.; Ball, I. J.; Arnold, Todd W. Wildlife Society Bulletin; Spring 2001; v.29, no.1, p.232-238.

Influence of prior exposure to wood shavings on feather pecking, dustbathing and foraging in adult laying hens. Nicol, C. J.; Lindberg, A. C.; Phillips, A. J.; Pope, S. J.; Wilkins, L. J.; Green, L. E. Applied Animal Behaviour Science; 28 July 2001; v.73, no.2, p.141-155.

Influence of remnant and landscape attributes on Australian woodland bird communities. Major, Richard E.; Christie, Fiona J.; Gowing, Greg. Biological Conservation; November 2001; v.102, no.1, p.47-66.

influence of roost temperature. Kerth, Gerald; Weissmann, Klaus; Konig, Barbara. Oecologia (Berlin); January 2001; v.126, no.1, p.1-9.

Influence of size of sporocyst inoculum upon the size and number of sarcocysts of Sarcocystis falcatula which develop in the brown-headed cowbird. Hemenway, Melanie P.; Avery, Michael L.; Ginn, Pam E.; Schaack, Sarah; Dame, John B.; Greiner, Ellis C. Veterinary Parasitology; 26 February 2001; v.95, no.2-4, p.321-326.

Influence of the spatial pattern of conserved lands on the persistence of a large population of red-cockaded woodpeckers. Cox, James; Engstrom, R. Todd. Biological Conservation; July 2001; v.100, no.1, p.137-150.

Influence of vitamin E on immune reactions of Turkeys. Heffels-Redmann, Ursula; Redmann, Th.; Lange, K.; Schroeder-Gravendyck, Sabine; Sallmann, H.-P. Archiv fuer Gefluegelkunde; April 2001; v.65, no.2, p.68-75.

Infraorbital sinusitis associated with Pasteurella multocida in pen-raised ring-necked pheasants. Chin, R. P.; Goshgarian, M. Avian Diseases; April-June 2001; v.45, no.2, p.540-543.

Infrequent cowbird parasitism on common grackles revisited: New records from the Northern Great Plains. Peer, Brian D.; Homan, H. Jeffrey; Sealy, Spencer G. Wilson Bulletin; March 2001; v.113, no.1, p.90-93.

Initial and long-term use of inserts by red-cockaded woodpeckers. Saenz, Daniel; Conner, Richard N.; Collins, Christopher S.; Rudolph, D. Craig. Wildlife Society Bulletin; Spring 2001; v.29, no.1, p.165-170.

Initial demonstration of rhythmic Per gene expression in the hypothalamus of a non-mammalian vertebrate, the house sparrow. Brandstaetter, Roland; Abraham, Ute; Albrecht, Urs. Neuroreport; 8 May 2001; v.12, no.6, p.1167-1170.

Initial effects of a petroleum operation on Amazonian birds: Terrestrial insectivores retreat. Canaday, Christopher; Rivadeneyra, Jiovanny. Biodiversity and Conservation; April 2001; v.10, no.4, p.567-595.

Initial movements of juvenile Piping Plovers, Charadrius melodus, from natal sites in northwestern North Dakota. Knetter, Jeffrey M.; Murphy, Robert K.; Lutz, R. Scott. Canadian Field-Naturalist; April-June 2001; v.115, no.2, p.352-353.

Inland pastures are an appropriate alternative for salt-marshes as a feeding area for spring-fattening Dark-bellied Brent Geese Branta bernicla. Spaans, Bernard; Postma, Piet. Ardea; 2001; v.89, no.3, p.427-440.

Innate predator-recognition in Australian brush-turkey (Alectura lathami, Megapodiidae) hatchlings. Goth, A. Behaviour; January 2001; v.138, no.1, p.117-136.

Inoue-Murayama, M.; Kayang, B. B.; Kimura, K.; Ide, H.; Nomura, A.; Takahashi, H.; Nagamine, Y.; Takeda, T.; Hanada, H.;Tatsuda, K.; Tsudzuki, M.; Matsuda, Y.; Mizutani, M.; Murayama, Y.; Ito, S. Animal Genetics; February 2001; v.32, no.1, p.7-11.

Intact EAV-HP endogenous retrovirus in Sonnerat's jungle fowl. Sacco, M. A.; Howes, K.; Venugopal, K. Journal of Virology; February 2001; v.75, no.4, p.2029-2032.

Intake responses in nectar feeding birds: Digestive and metabolic causes, osmoregulatory consequences, and coevolutionary effects. del Rio, Carlos Martinez; Schondube, Jorge E.; McWhorter, Todd J.; Herrera, L. Gerardo. American Zoologist; September 2001; v.41, no.4, p.902-915.

Integrated chicken-fish farming. Gupta, Modadugu V.; Noble, Francisco. FAO Fisheries Technical Paper; 2001; no.407, p.49-53.

Integrated fish-duck farming. Tripathi, S. D.; Sharma, B. K. FAO Fisheries Technical Paper; 2001; no.407, p.45-48.

Integrated management to address the incidental mortality of seabirds in longline fisheries. Gilman, Eric. Aquatic Conservation; September-October 2001; v.11, no.5, p.391-414.

Integrating landscape-based values: Norwegian monitoring of agricultural landscapes. Dramstad, W. E.; Fry, G.; Fjellstad, W. J.; Skar, B.; Helliksen, W.; Sollund, M.-L. B.; Tveit, M. S.; Geelmuyden, A. K.; Framstad, E. Landscape and Urban Planning; 15 December 2001; v.57, no.3-4, p.257-268.

Integrating methods to determine breeding and nesting status of 3 western songbirds. Christoferson, Laurel L.; Morrison, Michael L. Wildlife Society Bulletin; Summer 2001; v.29, no.2, p.688-696.

Integrating methods to determine breeding and nesting status of 3 western songbirds. Christoferson, Laurel L.; Morrison, Michael L. Wildlife Society Bulletin; Summer 2001; v.29, no.2, p.688-696.

Integrating nonindigenous aquatic plant control with protection of snail kite nests in Florida. Rodgers, James A., Jr.; Smith, Henry T.; Thayer, Daniel D. Environmental Management; July 2001; v.28, no.1, p.31-37.

Intensive management of a critically endangered species: The kakapo. Elliott, Graeme P.; Merton, Don V.; Jansen, Paul W. Biological Conservation; May 2001; v.99, no.1, p.121-133.

Interaction between coot (Fulica atra) and waterlily (Nymphaea alba) in a lake: The indirect impact of foraging. Paillisson, Jean-Marc; Marion, Loic. Aquatic Botany; November 2001; v.71, no.3, p.209-216.

Interactions between hemoparasite status and female age in the primary reproductive output of pied flycatchers. Sanz, Juan Jose; Arriero, Elena; Moreno, Juan; Merino, Santiago. Oecologia (Berlin); February 2001; v.126, no.3, p.339-344.

Interactions between nesting Pileated Woodpeckers and Wood Ducks. Conner, Richard N.; Shackelford, Clifford E.; Saenz, Daniel; Schaefer, Richard R. Wilson Bulletin; June 2001; v.113, no.2, p.250-253.

Intercontinental transmission of West Nile virus by migrating white storks. Malkinson, Mertyn; Banet, Caroline; Weisman, Yoram; Pokamonski, Shimon; King, Roni; Deubel, Vincent. Emerging Infectious Diseases; 2001; v.7, no.3 Supplement, p.540.

Intermittent feeding in a migratory omnivore: Digestion and body composition of American black duck during autumn. Barboza, Perry S.; Jorde, Dennis G. Physiological and Biochemical Zoology; March-April 2001; v.74, no.2, p.307-317.

Interrupted blood-feeding by Culiseta melanura (Diptera: Culicidae) on European starlings. Hodgson, J. Christina; Spielman, Andrew; Komar, Nicholas; Krahforst, Christian F.; Wallace, Gordon T.; Pollack, Richard J. Journal of Medical Entomology; January 2001; v.38, no.1, p.59-66.

Interspecific dominance and risk-taking in three species of corvid scavenger. Halley, Duncan J. Journal of the Yamashina Institute for Ornithology; 28 September 2001; v.33, no.1, p.44-50.

Interspecific dominance and risk-taking in three species of corvid scavenger. Halley, Duncan J. Journal of the Yamashina Institute for Ornithology; 28 September 2001; v.33, no.1, p.44-50.

Interspecific interactions and nest building behavior in Buff-necked Ibis in the Brazilian Pantanal. Bouton, Shannon N.; Bouton, Tara C. Waterbirds; August 2001; v.24, no.2, p.294-295.

Interspecific variability of prevalence in blood parasites of adult passerine birds during the breeding season in Alaska. Deviche, Pierre; Greiner, Ellis C.; Manteca, Xavier. Journal of Wildlife Diseases; January 2001; v.37, no.1, p.28-35.

Intestinal and blood parasites in Amazon parrots destined for relocation in Guatemala. Rooney, Matthew B.; Burkhard, Mary Jo; Greiner, Ellis; Zeng, Qi-Yun; Johnson, Jeremy. Journal of Zoo and Wildlife Medicine; March 2001; v.32, no.1, p.71-73.

Intestinal and blood parasites in Amazon parrots destined for relocation in Guatemala. Rooney, Matthew B.; Burkhard, Mary Jo; Greiner, Ellis; Zeng, Qi-Yun; Johnson, Jeremy. Journal of Zoo and Wildlife Medicine; March 2001; v.32, no.1, p.71-73.

Intra- and interindividual variation in the contact calls of spectacled parrotlets (Forpus conspicillatus). Wanker, Ralf; Fischer, Judith. Behaviour; June 2001; v.138, no.6, p.709-726.

Intraclutch egg-size variation and offspring survival in the Kentish Plover Charadrius alexandrinus. Amat, Juan A.; Fraga, Rosendo M.; Arroyo, Gonzalo M. Ibis; January 2001; v.143, no.1, p.17-23.

Intransitive preferences in hoarding gray jays (Perisoreus canadensis). Waite, Thomas A. Behavioral Ecology and Sociobiology; July 2001; v.50, no.2, p.116-121.

Intraspecific differences in behaviour and physiology: Effects of captive breeding on patterns of torpor in feathertail gliders. Geiser, F.; Ferguson, C. Journal of Comparative Physiology B Biochemical Systemic and Environmental Physiology; October 2001; v.171, no.7, p.569-576.

Intraspecific host selection by kleptoparasitic Kelp Gulls in Patagonia. Bertellotti, Marcelo; Yorio, Pablo. Waterbirds; August 2001; v.24, no.2, p.182-187.

Intraspecific nest parasitism in the starling (Sturnus vulgaris) in northwestern Croatia. Dolenec, Zdravko. Natura Croatica; December 31 2001; v.10, no.4, p.315-320.

Intraspecific parasitism and nest-site competition in wood ducks. Semel, Brad; Sherman, Paul W. Animal Behaviour; April 2001; v.61, no.4, p.787-803.

Intraspecific phenotypic variability in the black-eared miner (Manorina melanotis); human-facilitated introgression and the consequences for an endangered taxon. Clarke, Rohan H.; Gordon, Ian R.; Clarke, Michael F. Biological Conservation; June 2001; v.99, no.2, p.145-155.

Intraspecific variation in commuting distance of Marbled Murrelets (Brachyramphus marmoratus): Ecological and energetic consequences of nesting further inland. Hull, Cindy L.; Kaiser, Gary W.; Lougheed, Cecilia; Lougheed, Lynn; Boyd, Sean; Cooke, Fred. Auk; October 2001; v.118, no.4, p.1036-1046.

Intraspecific variation in nutrient reserve use during clutch formation by Lesser Scaup. Esler, Daniel; Grand, James B.; Afton, Alan D. Condor; November 2001; v.103, no.4, p.810-820.

Intraspecific variation in reproductive physiology and egg quality in the European Starling Sturnus vulgaris. Christians, Julian K.; Williams, Tony D. Journal of Avian Biology; March 2001; v.32, no.1, p.31-37.

Intraspecific variation in the egg size of the Pied Avocet. Dittmann, Tobias; Hoetker, Hermann. Waterbirds; April 2001; v.24, no.1, p.83-88.

Intra-syllabic acoustic signatures used by the king penguin in parent-chick recognition: An experimental approach. Lengagne, Thierry; Lauga, Jacques; Aubin, Thierry. Journal of Experimental Biology; February 2001; v.204, no.4, p.663-672.

Intravenous pharmacokinetics of penicillin G and antipyrine in ostriches (Struthio camelus) and emus (Dromaius novaehollandiae). Clarke, Cyril R.; Kocan, A. Alan; Webb, Alistair I.; Wang, Zuncai; Cudd, Laura A. Journal of Zoo and Wildlife Medicine; March 2001; v.32, no.1, p.74-77.

Introduced pest species and biodiversity conservation in New Zealand. Duffey, Eric. Biological Conservation; May 2001; v.99, no.1, p.1.

Introducing the key patch approach for habitat networks with persistent populations: An example for marshland birds. Verboom, Jana; Foppen, Ruud; Chardon, Paul; Opdam, Paul; Luttikhuizen, Pieternella. Biological Conservation; July 2001; v.100, no.1, p.89-101.

Introducing the Molucca nut. Sahuburua, Naldo. WANATCA Yearbook; 2001; no.25, p.70-74.

Invasive birds in Iowa: Status, problems, and threats. Dinsmore, James J. Journal of the Iowa Academy of Science; December 2001; v.108, no.4, p.212-220.

Invasive species in Iowa: An introduction. Dinsmore, James J.; Bernstein, Neil P. Journal of the Iowa Academy of Science; December 2001; v.108, no.4, p.105-106.

Inventory and conservation of breeding waterbirds at Ojo de Liebre and Guerrero Negro lagoons, Baja California Sur, Mexico. Castellanos, Aradit; Salinas, Federico; Ortega-Rubio, Alfredo. Ciencias Marinas; Septiembre 2001; v.27, no.3, p.351-373.

Inverse analysis of the structure and dynamics of the whole Newfoundland-Labrador Shelf ecosystem. Savenkoff, Claude; Vezina, Alain F.; Bundy, Alida. Canadian Technical Report of Fisheries and Aquatic Sciences; 2001; no.2354, p.i-viii; 1-56.

In-vivo assessment of drug resistance in field isolates of Eimeria tenella. Rana, N.; Tikaram, S. M. Indian Journal of Animal Sciences; July 2001; v.71, no.7, p.627-630.

Involvement of adrenal and thyroid activity in the annual testicular regression of red headed bunting (Emberiza bruniceps). Bhatt, Renu; Patel, Sunita; Chaturvedi, C. M. Journal of Environmental Biology; July 2001; v.22, no.3, p.171-175.

Involvement of adrenal and thyroid activity in the annual testicular regression of red headed bunting (Emberiza bruniceps). Bhatt, Renu; Patel, Sunita; Chaturvedi, C. M. Journal of Environmental Biology; July 2001; v.22, no.3, p.171-175.

Is a "hands-off " approach appropriate for red-cockaded woodpecker conservation in twenty-first-century landscapes? Saenz, Daniel; Conner, Richard N.; Rudolph, D. Craig; Engstrom, R. Todd. Wildlife Society Bulletin; Fall 2001; v.29, no.3, p.956-966.

Is diet-shifting facilitated by modulation of pancreatic enzymes? Test of an adaptational hypothesis in Yellow-rumped Warblers. Ciminari, M. Eugenia; Afik, Daniel; Karasov, William H.; Caviedes-Vidal, Enrique. Auk; October 2001; v.118, no.4, p.1101-1107.

Is diet-shifting facilitated by modulation of pancreatic enzymes? Test of an adaptational hypothesis in Yellow-rumped Warblers. Ciminari, M. Eugenia; Afik, Daniel; Karasov, William H.; Caviedes-Vidal, Enrique. Auk; October 2001; v.118, no.4, p.1101-1107.

Is host activity necessary to elicit brood parasitism by cowbirds? Robinson, W. D.; Robinson, T. R. Ethology Ecology & Evolution; June 2001; v.13, no.2, p.161-171.

Is long-distance bird flight equivalent to a high-energy fast? Body composition changes in freely migrating and captive fasting great knots. Battley, Phil F.; Dietz, Maurine W.; Piersma, Theunis; Dekinga, Anne; Tang, Sixian; Hulsman, Kees. Physiological and Biochemical Zoology; May-June 2001; v.74, no.3, p.435-449.

Is male plumage reflectance correlated with paternal care in bluethroats? Smiseth, Per T.; Ornborg, Jonas; Andersson, Staffan; Amundsen, Trond. Behavioral Ecology; Mar.-Apr. 2001; v.12, no.2, p.164-170.

Is phenotypic variation of blue tits (Parus caeruleus L.) in Mediterranean mainland and insular landscapes adaptive? Blondel, Jacques; Perret, Philippe; Dias, Paula C.; Lambrechts, Marcel M. Genetics Selection Evolution (Paris); October 2001; v.33, no.Suppl. 1, p.S121-S139.

Is song-type matching a conventional signal of aggressive intentions? Vehrencamp, Sandra L. Proceedings of the Royal Society Biological Sciences Series B; 7 August 2001; v.268, no.1476, p.1637-1642.

Is Spizella taverneri a species or a subspecies? Mayr, Ernst; Johnson, Ned K. Condor; May 2001; v.103, no.2, p.418-419.

Is the detection of the first arrival date of migrating birds influenced by population size? A case study of the red-backed shrike

Is the detection of the first arrival date of migrating birds influenced by population size? A case study of the red-backed shrike Lanius collurio. Tryjanowski, P.; Sparks, T. H. International Journal of Biometeorology; November 2001; v.45, no.4, p.217-219.

Is the relationship between population density and body size consistent across independent studies? A meta-analytical approach. Bini, L. M.; Coelho, A. S. G.; Diniz-Filho, J. A. F. Brazilian Journal of Biology; February 2001; v.61, no.1, p.1-6.

Is the ultraviolet waveband a special communication channel in avian mate choice? Hunt, Sarah; Cuthill, Innes C.; Bennett, Andrew T. D.; Church, Stuart C.; Partridge, Julian C. Journal of Experimental Biology; July 2001; v.204, no.14, p.2499-2507.

Is translocation an effective tool to remove predatory foxes from a desert protected area? Lenain, Daniel M.; Warrington, Stuart. Journal of Arid Environments; June 2001; v.48, no.2, p.205-209.

Is wind drift in migrating barnacle and brent geese, Branta leucopsis and Branta bernicla, adaptive ornon-adaptive? Green, Martin. Behavioral Ecology and Sociobiology; June 2001; v.50, no.1, p.45-54.

Islands in a desert: Breeding ecology of the African Reed Warbler Acrocephalus baeticatus in Namibia. Eising, Corine M.; Komdeur, Jan; Buys, Jan; Reemer, Menno; Richardson, David S. Ibis; July 2001; v.143, no.3, p.482-493.

Isolation and characterization of microsatellite loci in black grouse (Tetrao tetrix). Caizergues, Alain; Dubois, Sophie; Loiseau, Anne; Mondor, Guenaelle; Rasplus, Jean-Yves. Molecular Ecology Notes; March-June 2001; v.1, no.1-2, p.36-38.

Isolation and characterization of microsatellite loci in the great bustard, Otis tarda. Lieckfeldt, D.; Schmidt, A.; Pitra, C. Molecular Ecology Notes; September 2001; v.1, no.3, p.133-134.

Isolation of a sex-linked DNA sequence in cranes. Duan, W.; Fuerst, P. A. Journal of Heredity; September-October 2001; v.92, no.5, p.392-397.

Isolation of Newcastle disease virus and Salmonella typhimurium from the brain of double-crested cormorants (Phalacrocorax auritus). Clavijo, Alfonso; Robinson, Yves; Lopez, Jose. Avian Diseases; January-March 2001; v.45, no.1, p.245-250.

Isotopic delineation of North American migratory wildlife populations: Loggerhead Shrikes. Hobson, Keith A.; Wassenaar, Leonard I. Ecological Applications; October 2001; v.11, no.5, p.1545-1553.

Jackson, Digger B. Journal of Applied Ecology; August 2001; v.38, no.4, p.802-812.

Jaguar (Panthera onca) food habits in Atlantic rain forest of southeastern Brazil. Garla, Ricardo C.; Setz, Eleonore Z. F.; Gobbi, Nivar. Biotropica; December 2001; v.33, no.4, p.691-696.

Jaguar (Panthera onca) food habits in Atlantic rain forest of southeastern Brazil. Garla, Ricardo C.; Setz, Eleonore Z. F.; Gobbi, Nivar. Biotropica; December 2001; v.33, no.4, p.691-696.

Japan. Tsurumi, Miyako; Sato, Fumio; Hiraoka, Takashi; Maeyama, Ryo. Journal of the Yamashina Institute for Ornithology; 28 September 2001; v.33, no.1, p.54-57.

Journal of the Bombay Natural History Society; August 2001; v.98, no.2, p.283-287.

Journal of the Bombay Natural History Society; August 2001; v.98, no.2, p.283.

Journal of the Experimental Analysis of Behavior; September 2001; v.76, no.2, p.159-178.

juncos (Junco hyemalis). Dloniak, Stephanie M.; Deviche, Pierre. Hormones and Behavior; March 2001; v.39, no.2, p.95-105.

June broods are of greatest benefit to Sand Martins Riparia riparia. Cowley, E. Ringing & Migration; May 2001; v.20, no.3, p.202-208.

June broods are of greatest benefit to Sand Martins Riparia riparia. Cowley, E. Ringing & Migration; May 2001; v.20, no.3, p.202-208.

Juvenile helping behaviour in the Dusky Moorhen, Gallinula tenebrosa. Putland, D. A.; Goldizen, A. W. Emu; 2001; v.101, no.3, p.265-267.

Juvenile sex ratio in relation to breeding success in Capercaillie Tetrao urogallus and Black Grouse T. tetrix. Hornfeldt, Birger; Hipkiss, Tim; Eklund, Ulf. Ibis; October 2001; v.143, no.4, p.627-631.

Kelp Gulls avoid siphonariid limpets because of repugnant mucus. Davenport, John. Ibis; April 2001; v.143, no.2, p.304-306.

Kenward, Robert E.; Clarke, Ralph T.; Hodder, Kathy H.; Walls, Sean S.

Kestrels thinking 'outside the box'. Jordheim, Sig. Blue Jay; September 2001; v.59, no.3, p.163.

kestrels. Fernie, K. J.; Smits, J. E.; Bortolotti, G. R.; Bird, D. M. Archives of Environmental Contamination and Toxicology; May 2001; v.40, no.4, p.544-550.

Killdeer population trends in North America. Sanzenbacher, Peter M.; Haig, Susan M. Journal of Field Ornithology; Winter 2001; v.72, no.1, p.160-169.

Kin discrimination in cooperatively breeding long-tailed tits. Hatchwell, B. J.; Ross, D. J.; Fowlie, M. K.; McGowan, A. Proceedings of the Royal Society Biological Sciences Series B; 7 May 2001; v.268, no.1470, p.885-890.

Kinematic parameters of terrestrial locomotion in cursorial (ratites), swimming (ducks), and striding birds (quail and guinea fowl). Abourachid, Anick. Comparative Biochemistry and Physiology Part A Molecular & Integrative Physiology; December 2001; v.131A, no.1, p.113-119.

Kinetics, dose-response, and excretion of methylmercury in free-living adult Cory's shearwaters. Monteiro, Luis R.; Furness, Robert W. Environmental Science & Technology; February 15 2001; v.35, no.4, p.739-746.

Kinetics, dose-response, excretion, and toxicity of methylmercury in free-living Cory's shearwater chicks. Monteiro, Luis R.; Furness, Robert W. Environmental Toxicology and Chemistry; August 2001; v.20, no.8, p.1816-1823.

Kinetics, dose-response, excretion, and toxicity of methylmercury in free-living Cory's shearwater chicks. Monteiro, Luis R.; Furness, Robert W. Environmental Toxicology and Chemistry; August 2001; v.20, no.8, p.1816-1823.

Kingfishers in paradise: The breeding biology of Tanysiptera sylvia at the Iron Range National Park, Cape York. Legge, Sarah; Heinsohn, Robert. Australian Journal of Zoology; 2001; v.49, no.1, p.85-98.

Kleptoparasitism in the Great Kiskadee. Llambias, Paulo E.; Ferretti, Valentina; Rodriguez, Pablo S. Wilson Bulletin; March 2001; v.113, no.1, p.116-117.

Kleptoparasitism of soil-foraging passerines by Loggerhead Shrikes. Etterson, Matthew A.; Howery, Mark. Journal of Field Ornithology; Summer 2001; v.72, no.3, p.458-461.

Known breeding and wintering sites of a Bicknell's Thrush. Rimmer, Christopher C.; McFarland, Kent P. Wilson Bulletin; June 2001; v.113, no.2, p.234-236.

Lacertilia: Anolis sagrei (Brown anole). Predation. Franz, Richard. Herpetological Review; December 2001; v.32, no.4, p.252; 253.

Lack of relationship between forest edge proximity and nest predator activity in an eastern Canadian boreal forest. Ibarzabal, Jacques; Desrochers, Andre. Canadian Journal of Forest Research; January 2001; v.31, no.1, p.117-122.

Lactobacillus agilis is an important component of the pigeon crop flora. Baele, M.; Devriese, L. A.; Haesebrouck, F. Journal of Applied Microbiology; September 2001; v.91, no.3, p.488-491.

Lactobacillus psittaci sp. nov., isolated from a hyacinth macaw (Anodorhynchus hyacinthinus). Lawson, Paul A.; Wacher, Carmen; Hansson, Ingrid; Falsen, Enevold; Collins, Matthew D. International Journal of Systematic and Evolutionary Microbiology; May 2001; v.51, no.3, p.967-970.

Ladder-backed Woodpecker: Picoides scalaris. Lowther, Peter E. Birds of North America; 2001; no.565, p.1-11.

Lagged effects of ocean climate change on fulmar population dynamics. Thompson, Paul M.; Ollason, Janet C. Nature (London); 27 September 2001; v.413, no.6854, p.417-420.

Lagged effects of ocean climate change on fulmar population dynamics. Thompson, Paul M.; Ollason, Janet C. Nature (London); 27 September 2001; v.413, no.6854, p.417-420.

Laiolo, Paola; Rolando, Antonio; Delestrade, Anne; De Sanctis, Augusto.

Lanciotti, Robert S.; Kerst, Amy J.; Nasci, Roger S.; Godsey, Marvin S.; Mitchell, Carl J.; Savage, Harry M.; Komar, Nicholas; Panella, Nicholas A.; Allen, Becky C.; Volpe, Kate E.; Davis, Brent S.; Roehrig, John T. Journal of Clinical Microbiology; November 2001; v.38, no.11, p.4066-4071.

Land cover and bobwhite abundance on Oklahoma farms and ranches. Guthery, Fred S.; Green, M. Clay; Masters, Ronald E.; DeMaso, Stephen J.; Wilson, Heather M.; Steubing, Frederick B. Journal of Wildlife Management; October 2001; v.65, no.4, p.838-849.

Land cover and bobwhite abundance on Oklahoma farms and ranches. Guthery, Fred S.; Green, M. Clay; Masters, Ronald E.; DeMaso, Stephen J.; Wilson, Heather M.; Steubing, Frederick B. Journal of Wildlife Management; October 2001; v.65, no.4, p.838-849.

Land ownership and other landscape-level effects on biodiversity in southern Ontario's Niagara Escarpment Biosphere, Reserve, Canada. Lovett-Doust, Jon; Kuntz, Kathryn. Landscape Ecology; 2001; v.16, no.8, p.743-755.

Landbirds on offshore islands in Samoa. Freifeld, Holly B.; Steadman, David W.; Sailer, Jeffrey K. Journal of Field Ornithology; Winter 2001; v.72, no.1, p.72-85.

Landfills, nocturnal foraging, and risk to aircraft. Burger, Joanna. Journal of Toxicology and Environmental Health Part A; October 12 2001; v.64, no.3, p.273-290.

Landscape affects the host-seeking patterns of Culex tarsalis (Diptera: Culicidae) in the Coachella Valley of California. Lothrop, Hugh D.; Reisen, William K. Journal of Medical Entomology; March 2001; v.38, no.2, p.325-332.

Landscape changes and breeding bird assemblages in northwestern Portugal: The role of fire. Moreira, Francisco; Ferreira, Paulo G.; Rego, Francisco C.; Bunting, Stephen. Landscape Ecology; February 2001; v.16, no.2, p.175-187.

Landscape connectivity: A graph-theoretic perspective. Urban, Dean; Keitt, Timothy. Ecology (Washington D C); May 2001; v.82, no.5, p.1205-1218.

Landscape ecological planning process for wetland, waterfowl, and farmland conservation. Musacchio, Laura R.; Coulson, Robert N. Landscape and Urban Planning; 15 October 2001; v.56, no.3-4, p.125-147.

Landscape variables affect the density of Sharpe's Longclaw Macronyx sharpei, a montane grassland specialist. Lens, Luc; Bennun, Leon A.; Duchateau, Luc. Ibis; October 2001; v.143, no.4, p.674-676.

Landscape-level analyses of Henslow's sparrow (Ammodramus henslowii) abundance in reclaimed coal mine grasslands. Bajema, Robb A.; Lima, Steven L. American Midland Naturalist; April 2001; v.145, no.2, p.288-298.

Lanius collurio. Tryjanowski, P.; Sparks, T. H. International Journal of Biometeorology; November 2001; v.45, no.4, p.217-219.

Large barnacle goose males can overcome the social costs of natal dispersal. van der Jeugd, Henk P. Behavioral Ecology; May-June 2001; v.12, no.3, p.275-282.

Large carnivore surveys in the North Karakorum Mountains, Pakistan. Gaines, William L. Natural Areas Journal; April 2001; v.21, no.2, p.168-171.

Late nineteenth century breeding records of Osprey and White-tailed Eagle. McGhie, Henry; Moran, Stephen; McGowan, Bob. Scottish Birds; June 2001; v.22, no.1, p.60-61.

Late Quaternary environmental change in the Bonneville basin, western USA. Madsen, D. B.; Rhode, D.; Grayson, D. K.; Broughton, J. M.; Livingston, S. D.; Hunt, J.; Quade, J.; Schmitt, D. N.; Shaver, M. W.,

Late Quaternary terrestrial vertebrates from Palawan Island, Philippines. Reis, Kelley R.; Garong, Ame M. Palaeogeography Palaeoclimatology Palaeoecology; 15 July 2001; v.171, no.3-4, p.409-421.

Late record of Le Conte's Sparrow in Florida. Dove, Carla J.; Schmidt, Brian; Gebhard, Christina; Leboeuf, Eugene. Florida Field Naturalist; September 2001; v.29, no.3, p.95.

Late song learning in song sparrows. Nordby, J. Cully; Campbell, S. Elizabeth; Beecher, Michael D. Animal Behaviour; April 2001; v.61, no.4, p.835-846.

Laterality in avian vigilance: Do sparrows have a favourite eye? Franklin, William E., III; Lima, Steven L. Animal Behaviour; November 2001; v.62, no.5, p.879-885.

Latitude, elevation and body mass variation in Andean passerine birds. Blackburn, Tim M.; Ruggiero, Adriana. Global Ecology and Biogeography; May 2001; v.10, no.3, p.245-259.

Latitudinal gradients and geographic ranges of exotic species: Implications for biogeography. Sax, D. F. Journal of Biogeography; January 2001; v.28, no.1, p.139-150.

Latitudinal gradients in diversity: Real patterns and random models. Koleff, Patricia; Gaston, Kevin J. Ecography; June 2001; v.24, no.3, p.341-351.

Latitudinal variation in female local return rate in the philopatric Pied Flycatcher (Ficedula hypoleuca). Sanz, Juan Jose. Auk; April 2001; v.118, no.2, p.539-543.

Laying dates and clutch size of open-nesting passerines in the Czech Republic: A comparison of systematically and incidentally collected data. Weidinger, Karel. Bird Study; March 2001; v.48, no.1, p.38-47.

Laying interruption in the Tree Sparrow Passer montanus. Pinowski, Jan; Barkowska, Miloslawa; Hahm, Kyu-Hwang; Lebedeva, Natalia. Acta Ornithologica (Warsaw); Summer 2001; v.36, no.1, p.13-18.

Laying interruption in the Tree Sparrow Passer montanus. Pinowski, Jan; Barkowska, Miloslawa; Hahm, Kyu-Hwang; Lebedeva, Natalia. Acta Ornithologica (Warsaw); Summer 2001; v.36, no.1, p.13-18.

Lead contamination of seabirds harvested with lead shot: Implications to human diet in Greenland. Johansen, P.; Asmund, G.; Riget, F. Environmental Pollution; 2001; v.112, no.3, p.501-504.

Lead poisoning of waterfowl by contaminated sediment in the Coeur d'Alene River. Sileo, L.; Creekmore, L. H.; Audet, D. J.; Snyder, M. R.; Meteyer, C. U.; Franson, J. C.; Locke, L. N.;Smith, M. R.; Finley, D. L. Archives of Environmental Contamination and Toxicology; October 2001; v.41, no.3, p.364-368.

Lead shot ingestion in two raptor species from Donana, Spain. Mateo, R.; Cadenas, R.; Manez, M.; Guitart, R. Ecotoxicology and Environmental Safety; January 2001; v.48, no.1, p.6-10.

Lead shot toxicity to passerines. Vyas, N. B.; Spann, J. W.; Heinz, G. H. Environmental Pollution; 2001; v.111, no.1, p.135-138.

Lead toxicosis and trace element levels in wild birds and mammals at a firearms training facility. Lewis, L. A.; Poppenga, R. J.; Davidson, W. R.; Fischer, J. R.; Morgan, K. A. Archives of Environmental Contamination and Toxicology; August 2001; v.41, no.2, p.208-214.

Learning by instruction or selection: Implications for patterns of geographic variation in bird song. Nelson, Douglas A.; Khanna, Hitesh; Marler, Peter. Behaviour; September 2001; v.138, no.9, p.1137-1160.

Learning differences between feral pigeons and zenaida doves: The role of neophobia and human proximity. Seferta, Angela; Guay, Patrick-Jean; Marzinotto, Erika; Lefebvre, Louis. Ethology; April 2001; v.107, no.4, p.281-293.

Leconte's sparrows wintering at Eufaula National Wildlife Refuge. Beaton, Giff Oriole; September-December 2001; v.66, no.3-4, p.55-56.

Left-sided directional bias of cloacal contacts during tree swallow copulations. Petersen, Aaron D.; Lombardo, Michael P.; Power, Harry W. Animal Behaviour; October 2001; v.62, no.4, p.739-741.

Lekking behavior of the Round-tailed Manakin. Tello, Jose G. Condor; May 2001; v.103, no.2, p.298-321.

Lek-like mating system of the monogamous Blue-black Grassquit. Almeida, Juliana B.; Macedo, Regina H. Auk; April 2001; v.118, no.2, p.404-411.

Lemur responses to diurnal raptor calls in Ranomafana National Park, Madagascar. Karpanty, S. M.; Grella, R. Folia Primatologica; March-April 2001; v.72, no.2, p.100-103.

Lesions of a telencephalic nucleus in male zebra finches: Influences on vocal behavior in juveniles and adults. Foster, Elizabeth F.; Bottjer, Sarah W. Journal of Neurobiology; February 5 2001; v.46, no.2, p.142-165.

Lessons from the West Nile viral encephalitis outbreak in New York City, 1999: Implications for bioterrorism preparedness. Fine, Annie; Layton, Marcelle. Clinical Infectious Diseases; 15 January 2001; v.32, no.2, p.277-282.

Life cycle of the tick Ixodes uriae in penguin colonies: Relationships with host breeding activity. Frenot, Y.; de Oliveira, E.; Gauthier-Clerc, M.; Deunff, J.; Bellido, A.; Vernon, P. International Journal for Parasitology; August 2001; v.31, no.10, p.1040-1047.

Life history implications of complete and incomplete primary molts in Pelagic Cormorants. Filardi, Christopher E.; Rohwer, Sievert. Condor; August 2001; v.103, no.3, p.555-569.

Life history implications of complete and incomplete primary molts in Pelagic Cormorants. Filardi, Christopher E.; Rohwer, Sievert. Condor; August 2001; v.103, no.3, p.555-569.

Life history of Magpie populations sympatric or allopatric with the brood parasitic Great Spotted Cuckoo. Soler, Juan Jose; Martinez, Juan Gabriel; Soler, Manuel; Moller, Anders Pape. Ecology (Washington D C); June 2001; v.82, no.6, p.1621-1631.

Life history of the Riverside Wren. Skutch, Alexander F. Journal of Field Ornithology; Winter 2001; v.72, no.1, p.1-11.

Life path analysis: Scaling indicates priming effects of social and habitat factors on dispersal distances. Kenward, R. E.; Walls, S. S.; Hodder, K. H. Journal of Animal Ecology; January 2001; v.70, no.1, p.1-13.

Lifetime reproductive success in common buzzard, Buteo buteo: From individual variation to population demography. Kruger, Oliver; Lindstrom, Jan. Oikos; May 2001; v.93, no.2, p.260-273.

Lift generation by the avian tail. Maybury, W. J.; Rayner, J. M. V.; Couldrick, L. B. Proceedings of the Royal Society Biological Sciences Series B; 22 July 2001; v.268, no.1475, p.1443-1448.

Lift-based paddling in diving grebe. Johansson, L. Christoffer; Lindhe Norberg, Ulla M. Journal of Experimental Biology; May 2001; v.204, no.10, p.1687-1696.

Lift-based paddling in diving grebe. Johansson, L. Christoffer; Lindhe Norberg, Ulla M. Journal of Experimental Biology; May 2001; v.204, no.10, p.1687-1696.

Light-dependent magnetoreception in birds: The behaviour of European robins, Erithacus rubecula, under monochromatic light ofvarious wavelengths and intensities. Wiltschko, Wolfgang; Wiltschko, Roswitha. Journal of Experimental Biology; October 2001; v.204, no.19, p.3295-3302.

Lilac-crowned parrot diet and food resource availability: Resource tracking by a parrot seed predator. Renton, Katherine Condor; February 2001; v.103, no.1, p.62-69.

Limited attention: The constraint underlying search image. Dukas, Reuven; Kamil, Alan C. Behavioral Ecology; Mar.-Apr. 2001; v.12, no.2, p.192-199.

Limits to the salience of ultraviolet: Lessons from colour vision in bees and birds. Kevan, Peter G.; Chittka, Lars; Dyer, Adrian G. Journal of Experimental Biology; July 2001; v.204, no.14, p.2571-2580.

Lind, Johan; Jakobsson, Sven.

Linking breeding and wintering grounds of Bicknell's Thrushes using stable isotope analyses of feathers. Hobson, Keith A.; McFarland, Kent P.; Wassenaar, Leonard I.; Rimmer, Christopher C.; Goetz, James E. Auk; January 2001; v.118, no.1, p.16-23.

Linking water quality with agricultural intensification in a rural watershed. Berka, C.; Schreier, H.; Hall, K. Water Air and Soil Pollution; April 2001; v.127, no.1-4, p.389-401.

Lipofuscin granules in the inner retinal layer of the ciliary body in owls. Reese, Sven. Journal of Morphology; June 2001; v.248, no.3, p.274.

Little Bronze-cuckoo, Chrysococcyx minutillus. Noske, Richard A. Emu; 2001; v.101, no.2, p.129-135.

Little, David I.; Little, Annette E.; Levell, David. Field Studies; June 2001; v.10, no.1, p.37-56.

Living at the limit: Ecology and behaviour of Tawny Owls Strix aluco in a northern edge population in central Norway. Sunde, Peter; Overskaug, Kristian; Bolstad, Jan P.; Oien, Ingar J. Ardea; 2001; v.89, no.3, p.495-508.

Living with gulls: The consequences for Sandwich Terns of breeding in association with Black-headed Gulls. Stienen, E. W. M.; Brenninkmeijer, A.; Geschiere, C. E. Waterbirds; April 2001; v.24, no.1, p.68-82.

Local and landscape-level influences on wetland bird communities of the Prairie Pothole Region of Iowa, USA. Fairbairn, Steve E.; Dinsmore, James J. Wetlands; March 2001; v.21, no.1, p.41-47.

Local avian assemblages as random draws from regional pools. Blackburn, T. M.; Gaston, K. J. Ecography; February 2001; v.24, no.1, p.50-58.

Local participation, international politics, and the environment: The World Bank and the Grenada Dove. Rosenberg, J.; Korsmo, F. L. Journal of Environmental Management; July 2001; v.62, no.3, p.283-300.

Local recruitment of great and blue tits (Parus major, P. caeruleus) in relation to study plot size and degree of isolation. Matthysen, Erik; Adriaensen, Frank; Dhondt, Andre A. Ecography; February 2001; v.24, no.1, p.33-42.

Loggerhead Shrike larder and prey. Johns, Brian; Johns, David. Blue Jay; September 2001; v.59, no.3, p.125-129.

Long term effects of cormorant predation on fish communities and fishery in a freshwater lake. Engstrom, Henri Ecography; April 2001; v.24, no.2, p.127-138.

Long-distance migrants as a model system of structural and physiological plasticity. Weber, Thomas P.; Hedenstrom, Anders. Evolutionary Ecology Research; March 2001; v.3, no.3, p.255-271.

Long-eared Owl abundance near Saskatoon in 2000. Stoffel, Marten J. Blue Jay; September 2001; v.59, no.3, p.129-133.

Long-eared owl in Fernbank forest. Schmalz, Georgann. Oriole; March-June 2001; v.66, no.1-2, p.16-17.

Long-term changes of raptor populations in northern Cameroon. Thiollay, Jean-Marc. Journal of Raptor Research; September 2001; v.35, no.3, p.173-186.

Long-term effects of forestry on birds of the eastern Canadian boreal forests: A comparison with Fennoscandia. Imbeau, Louis; Monkkonen, Mikko; Desrochers, Andre. Conservation Biology; August 2001; v.15, no.4, p.1151-1162.

Long-term monitoring of a breeding colony of white herons (Egretta alba) on the Waitangiroto River, South Westland, New Zealand. Miller, Craig. Notornis; September 2001; v.48, no.3, p.157-163.

Long-term population trends in seven Antarctic seabirds at Pointe Geologie (Terre Adelie). Human impact compared with environmental change. Micol, T.; Jouventin, P. Polar Biology; March 2001; v.24, no.3, p.175-185.

Long-term research and the dynamics of bird populations and communities. Collins, Scott L. Auk; July 2001; v.118, no.3, p.583-588.

Long-term study of apparent survival in Pacific Golden-Plovers at a wintering ground on Oahu, Hawaiian Islands. Johnson, Oscar W.; Bruner, Phillip L.; Rotella, Jay J.; Johnson, Patricia M.; Bruner, Andrea E. Auk; April 2001; v.118, no.2, p.342-351.

Long-term trends of bald eagles in winter on the Skagit River, Washington. Dunwiddie, Peter W.; Kuntz, Robert C., II. Journal of Wildlife Management; April 2001; v.65, no.2, p.290-299.

Long-term unpredictable foraging conditions and physiological stress response in mountain chickadees (Poecile gambeli). Pravosudov, Vladimir V.; Kitaysky, Alexander S.; Wingfield, John C.; Clayton, Nicola S. General and Comparative Endocrinology; September 2001; v.123, no.3, p.324-331.

Loss of heather Calluna vulgaris moorland in the Scottish uplands: The role of red grouse Lagopus lagopus scoticus management. Robertson, Peter A.; Park, Kirsty J.; Barton, Andrew F. Wildlife Biology; March 2001; v.7, no.1, p.11-16.

Loss of preferred mates forces female satin bowerbirds (Ptilonorhynchus violaceus) to increase mate searching. Uy, J. Albert C.; Patricelli, Gail L.; Borgia, Gerald. Proceedings of the Royal Society Biological Sciences Series B; 22 March 2001; v.268, no.1467, p.633-638.

Low flock coherence in mild winters leads to a lack of subordination costs in Bridled Titmouse foraging groups. Christman, Beth J. Ibis; October 2001; v.143, no.4, p.617-626.

Low initial refueling rate at stopover sites: A methodological effect? Schwilch, Regine; Jenni, Lukas. Auk; July 2001; v.118, no.3, p.698-708.

Low productivity of Bald Eagles on Prince of Wales Island, southeast Alaska. Anthony, Robert G. Journal of Raptor Research; March 2001; v.35, no.1, p.1-8.

Low recruitment of trees dispersed by animals in African forest fragments. Cordeiro, N. J.; Howe, H. F. Conservation Biology; December 2001; v.15, no.6, p.1733-1741.

Low reproductive rates in two Parus species in southern Africa. Wiggins, David A. Ibis; October 2001; v.143, no.4, p.677-680.

Low success of shiny cowbird chicks parasitizing rufous-bellied thrushes: Chick-chick competition or parental discrimination? Lichtenstein, Gabriela Animal Behaviour; February 2001; v.61, no.2, p.401-413.

Low-elevation nesting by Calliope Hummingbirds in the western Sierra Nevada foothills. Williams, Brian D. C. Western Birds; September 15 2001; v.32, no.2, p.127-130.

Low-input rice-fish farming system in irrigated areas in Malaysia. Ali, Ahyaudin. FAO Fisheries Technical Paper; 2001; no.407, p.63-67.