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

S-Z

Sabine's Gull: Xema sabini. Day, Robert H.; Stenhouse, Ian J.; Gilchrist, H. Grant. Birds of North America; 2001; no.593, p.1-31.

Safe selfish sentinels in a cooperative bird. Wright, J.; Berg, E.; de Kort, S. R.; Khazin, V.; Maklakov, A. A. Journal of Animal Ecology; November 2001; v.70, no.6, p.1070-1079.

Salmonellosis in a Wild Turkey from Florida. Forrester, Donald J.; Spalding, Marilyn G. Florida Field Naturalist; June 2001; v.29, no.2, p.51-53.

Satellite tracking of Swedish Ospreys Pandion haliaetus: Autumn migration routes and orientation. Hake, Mikael; Kjellen, Nils; Alerstam, Thomas. Journal of Avian Biology; March 2001; v.32, no.1, p.47-56.

Satellite tracking of the pink-footed shearwater in Chile. Guicking, Daniela; Ristow, Dietrich; Becker, Peter H.; Schlatter, Roberto; Berthold, Peter; Querner, Ulrich. Waterbirds; April 2001; v.24, no.1, p.8-15.

Scale-dependent patterns of abundance and habitat use by cormorants in arid Australia and the importance of nomadism. Dorfman, E. J.; Kingsford, R. T. Journal of Arid Environments; December 2001; v.49, no.4, p.677-694.

Scan sampling and waterfowl activity budget studies: Design and analysis considerations. Hepworth, Graham; Hamilton, Andrew J. Behaviour; December 2001; v.138, no.11-12, p.1391-1405.

Scarce or distracted? Bellbird (Anthornis melanura) foraging and diet in an area of inadequate mistletoe pollination. Murphy, David J.; Kelly, Dave. New Zealand Journal of Ecology; February 2001; v.25, no.1, p.69-81.

Scavenging of waterfowl carcasses by birds in agricultural fields of British Columbia. Peterson, Christy A.; Lee, Sandi L.; Elliott, John E. Journal of Field Ornithology; Winter 2001; v.72, no.1, p.150-159.

Sceloporus belli (Bell's spiny lizard). Predation. Lemos-Espinal, Julio A.; Chiszar, David; Smith, Hobart M. Herpetological Review; March 2001; v.32, no.1, p.42-43.

Schnupp, Jan W. H.; King, Andrew J.

Scottish List: Species and subspecies. Clugston, D. L.; Forrester, R. W.; McGowan, R. Y.; Zonfrillo, B. Scottish Birds; June 2001; v.22, no.1, p.33-49.

Screaming as a strategy to reduce the predation risk incurred by begging? Roulin, A. Behaviour; May 2001; v.138, no.5, p.615-627.

Screaming as a strategy to reduce the predation risk incurred by begging? Roulin, A. Behaviour; May 2001; v.138, no.5, p.615-627.

Scrub jays (Aphelocoma coerulescens) form integrated memories of the multiple features of caching episodes. Clayton, Nicola S.; Yu, Kara Shirley; Dickinson, Anthon. Journal of Experimental Psychology Animal Behavior Processes; January 2001; v.27, no.1, p.17-29.

Seabird attraction to fishing vessels is a local process. Skov, Henrik; Durinck, Jan. Marine Ecology Progress Series; April 26 2001; no.214, p.289-298.

Seabird by-catch in small-scale longline fisheries in northern Peru. Jahncke, Jaime; Goya, Elisa; Guillen, Alex. Waterbirds; April 2001; v.24, no.1, p.137-141.

Seabird colony locations and environmental determination of seabird distribution: A spatially explicit breeding seabird model for the Northwest Atlantic. Huettmann, F.; Diamond, A. W. Ecological Modelling; 1 July 2001; v.141, no.1-3, p.261-298.

Seabird mortality on longline fisheries in the western Mediterranean: Factors affecting bycatch and proposed mitigating measures. Belda, E. J.; Sanchez, A. Biological Conservation; April 2001; v.98, no.3, p.357-363.

seabird. Ramos, Jaime A. Ibis; January 2001; v.143, no.1, p.83-91.

Seabirds of the Campeche Bank islands, southeastern Gulf of Mexico. Tunnell, John W., Jr.; Chapman, Brian R. Atoll Research Bulletin; June 2001; no.481-493, p.482.

Search for a hidden goal by Clark's nutcrackers (Nucifraga columbiana) is more accurate inside than outside a landmark array. Gibson, Brett M.; Kamil, Alan C. Animal Learning & Behavior; August 2001; v.29, no.3, p.234-249.

Seasonal acclimatization to extreme climatic conditions by black-capped chickadees (Poecile atricapilla) in interior Alaska (64degreeN). Sharbaugh, Susan M. Physiological and Biochemical Zoology; July-August 2001; v.74, no.4, p.568-575.

Seasonal activation and inactivation of song motor memories in wild canaries is not reflected in neuroanatomical changes of forebrain song areas. Leitner, S.; Voigt, C.; Garcia-Segura, L.-M.; Van't Hof, T.; Gahr, M. Hormones and Behavior; September 2001; v.40, no.2, p.160-168.

Seasonal activation and inactivation of song motor memories in wild canaries is not reflected in neuroanatomical changes of forebrain song areas. Leitner, S.; Voigt, C.; Garcia-Segura, L.-M.; Van't Hof, T.; Gahr, M. Hormones and Behavior; September 2001; v.40, no.2, p.160-168.

Seasonal and age-related changes in blood parasite prevalence in Dark-eyed Juncos (Junco hyemalis, Aves, Passeriformes). Deviche, Pierre; Greiner, Ellis C.; Manteca, Xavier. Journal of Experimental Zoology; June 1 2001; v.289, no.7, p.456-466.

Seasonal and annual survival of East-Atlantic Pale-bellied Brent Geese Branta hrota assessed by capture-recapture analysis. Clausen, Preben; Frederiksen, Morten; Percival, Steve M.; Anderson, Guy Q. A.; Denny, Matthew J. H. Ardea; 2001; v.89, no.1 Special Issue, p.101-112.

Seasonal and annual survival of East-Atlantic Pale-bellied Brent Geese Branta hrota assessed by capture-recapture analysis. Clausen, Preben; Frederiksen, Morten; Percival, Steve M.; Anderson, Guy Q. A.; Denny, Matthew J. H. Ardea; 2001; v.89, no.1 Special Issue, p.101-112.

Seasonal and interspecific evaluation of predation by mammals and birds on the introduced red swamp crayfish Procambarus clarkii (Crustacea, Cambaridae) in a freshwater marsh (Portugal). Correia, Alexandra Marcal. Journal of Zoology (London); December 2001; v.255, no.4, p.533-541.

Seasonal change in Red-backed Shrike Lanius collurio territory quality: The role of nest predation. Soderstrom, Bo. Ibis; October 2001; v.143, no.4, p.561-571.

Seasonal changes in adrenal and gonadal activity in the quail, Perdicula asiatica: Involvement of the pineal gland. Sudhakumari, C. C.; Haldar, C.; Senthilkumaran, B. Comparative Biochemistry and Physiology Part B Biochemistry & Molecular Biology; April 2001; v.128B, no.4, p.793-804.

Seasonal changes in brain GnRH immunoreactivity and song-control nuclei volumes in an opportunistically breeding songbird. MacDougall-Shackleton, Scott A.; Deviche, Pierre J.; Crain, Renee D.; Ball, Gregory F.; Hahn, Thomas P. Brain Behavior and Evolution; 2001; v.58, no.1, p.38-48.

Seasonal changes in the song pattern of the non-domesticated island canary (Serinus canaria), a field study. Leitner, Stefan; Voigt, Cornelia; Gahr, Manfred. Behaviour; July 2001; v.138, no.7, p.885-904.

Seasonal changes of testicular weight, sperm production, serum testosterone, and in vitro testosterone release in Korean ring-necked pheasants (Phasianus colchicus karpowi). Kim, In Shik; Yang, Hong Hyun. Journal of Veterinary Medical Science; February 2001; v.63, no.2, p.151-156.

Seasonal decline in clutch size in European starlings: A novel randomization test to distinguish between the timing and quality hypotheses. Christians, Julian K.; Evanson, Melissa; Aiken, Jonathan J. Journal of Animal Ecology; November 2001; v.70, no.6, p.1080-1087.

Seasonal decline in health status of Great Tit (Parus major) nestlings. Dubiec, Anna; Cichon, Mariusz. Canadian Journal of Zoology; October 2001; v.79, no.10, p.1829-1833.

Seasonal declines in incubation periods of Brunnich's Guillemots Uria lomvia: Testing proximate causes. Hipfner, J. Mark; Gaston, Anthony J.; Martin, Debbie L.; Jones, Ian L. Ibis; January 2001; v.143, no.1, p.92-98.

Seasonal fluctuations of birds, fruits, and flowers in a subtropical forest of Argentina. Malizia, Lucio R. Condor; February 2001; v.103, no.1, p.45-61.

Seasonal food habits of swift fox (Vulpes velox) in cropland and rangeland landscapes in western Kansas. Sovada, Marsha A.; Roy, Christiane C.; Telesco, David J. American Midland Naturalist; January 2001; v.145, no.1, p.101-111.

Seasonal growth of song control nuclei precedes seasonal reproductive development in wild adult song sparrows. Tramontin, Anthony D.; Perfito, Nicole; Wingfield, John C.; Brenowitz, Eliot A. General and Comparative Endocrinology; April 2001; v.122, no.1, p.1-9.

Seasonal hypothermia in a large migrating bird: Saving energy for fat deposition? Butler, P. J.; Woakes, A. J. Journal of Experimental Biology; April 2001; v.204, no.7, p.1361-1367.

Seasonal movements of male Great Bustards in Central Spain. Alonso, J. A.; Martin, C. A.; Alonso, J. C.; Morales, M. B.; Lane, S. J. Journal of Field Ornithology; Autumn 2001; v.72, no.4, p.504-508.

Seasonal regulation of membrane and intracellular corticosteroid receptors in the house sparrow brain. Breuner, C. W.; Orchinik, M. Journal of Neuroendocrinology; May 2001; v.13, no.5, p.412-420.

Seasonal survival of Greater Snow Geese and effect of hunting under dependence in sighting probability. Gauthier, Gilles; Pradel, Roger; Menu, Stephane; Lebreton, Jean-Dominique. Ecology (Washington D C); November 2001; v.82, no.11, p.3105-3119.

Seasonal use of savanna landscapes by the Gouldian finch, Erythrura gouldiae, in the Yinberrie Hills area, Northern Territory. Dostine, P. L.; Johnson, G. C.; Franklin, D. C.; Zhang, Y.; Hempel, C. Wildlife Research; 2001; v.28, no.4, p.445-458.

Seasonal variation in androgen-metabolizing enzymes in the diencephalon and telencephalon of the male European starling (Sturnus vulgaris). Riters, L. V.; Baillien, M.; Eens, M.; Pinxten, R.; Foidart, A.; Ball, G. F.; Balthazart, J. Journal of Neuroendocrinology; November 2001; v.13, no.11, p.985-997.

Seasonal variation in home-range size, and habitat area requirement of the lesser spotted woodpecker (Dendrocopos minor) in southern Sweden. Wiktander, Ulf; Olsson, Ola; Nilsson, Sven G. Biological Conservation; August 2001; v.100, no.3, p.387-395.

Seasonal variation in reproductive measures of tropical Roseate Terns Sterna dougallii: Previously undescribed breeding patterns in a

Seasonal variation in sex ratio and sexual egg dimorphism favouring daughters in first clutches of the spotless starling. Cordero, P. J.; Vinuela, J.; Aparicio, J. M.; Veiga, J. P. Journal of Evolutionary Biology; September 2001; v.14, no.5, p.829-834.

Seasonal variation in sex ratio and sexual egg dimorphism favouring daughters in first clutches of the spotless starling. Cordero, P. J.; Vinuela, J.; Aparicio, J. M.; Veiga, J. P. Journal of Evolutionary Biology; September 2001; v.14, no.5, p.829-834.

Seasonal variation in territory occupancy of non-breeding Long-billed Curlews in intertidal habitats. Colwell, M. A.; Mathis, R. L. Waterbirds; August 2001; v.24, no.2, p.208-216.

Seasonal variation in the abundance of seabirds in areas of mariculture. Branco, Joaquim Olinto; Braun, Jan Raphael Reuter; Verani, Jose Roberto. Brazilian Archives of Biology and Technology; 2001; v.44, no.4, p.395-399.

Seasonal variation of forest habitat preferences by birds in a lowland riverine ecosystem. Hubalek, Zdenek. Folia Zoologica; 2001; v.50, no.4, p.281-289.

Seasonal variation of singing activity and relative effect of the advertising behaviour of males with different plumage colour in the Pied Flycatcher Ficedula hypoleuca. Ilyina, Tatyana A.; Ivankina, Elena V. Acta Ornithologica (Warsaw); Summer 2001; v.36, no.1, p.85-89.

Seasonal variation of singing activity and relative effect of the advertising behaviour of males with different plumage colour in the Pied Flycatcher Ficedula hypoleuca. Ilyina, Tatyana A.; Ivankina, Elena V. Acta Ornithologica (Warsaw); Summer 2001; v.36, no.1, p.85-89.

Seasonal variations in nutrient levels in Bemersyde Moss, Borders Region, Scotland. Velander, Kathy; Mocogni, Marina. Naturalist (Sheffield); January-March 2001; v.126, no.1036, p.17-26.

Seasonal variations of in vivo and in vitro melatonin production in a passeriform bird, the house sparrow (Passer domesticus). Brandstaetter, Roland; Kumar, Vinod; Van't Hof, Thomas J.; Gwinner, Eberhard. Journal of Pineal Research; September 2001; v.31, no.2, p.120-126.

Second clutches in the Alpine Swift Apus melba. Antonov, Anton; Atanasova, Dimitrinka. Ardea; 2001; v.89, no.3, p.543-544.

Second extinction of capercaillie (Tetrao urogallus) in Scotland? Moss, R. Biological Conservation; October 2001; v.101, no.2, p.255-257.

Secondary effects of the pesticide Bacillus thuringiensis kurstaki on chicks of spruce grouse (Dendragapus canadensis). Norton, M. L.; Bendell, J. F.; Bendell-Young, L. I.; LeBlanc, C. W. Archives of Environmental Contamination and Toxicology; October 2001; v.41, no.3, p.369-373.

Second-order schedules of token reinforcement with pigeons: Effects of fixed- and variable-ratio exchange schedules.

Sedge wren: Cistothorus platensis. Herkert, James R.; Kroodsma, Donald E.; Gibbs, James P. Birds of North America; 2001; no.582, p.1-19.

Seed color preference of selected northern bird species. Bossart, N. R.; Paulson, G. S. Journal of the Pennsylvania Academy of Science; February 2001; v.74, no.2-3, p.93-95.

Seed dispersal in Palicourea rigida, a common treelet species from neotropical savannas. Wuetherich, Dirk; Azocar, Aura; Garcia-Nunez, Carlos; Silva, Juan F. Journal of Tropical Ecology; May 2001; v.17, no.3, p.449-458.

Seed dispersal of the mistletoe Psittacanthus schiedeanus by birds in Central Veracruz, Mexico. Lopez de Buen, Lorena; Ornelas, Juan Francisco. Biotropica; September 2001; v.33, no.3, p.487-494.

Seed dispersal, plant recruitment and spatial distribution of Bactris acanthocarpa Martius (Arecaceae) in a remnant of Atlantic forest in northeast Brazil. Silva, Maria G.; Tabarelli, Marcelo. Acta Oecologica; September-December 2001; v.22, no.5-6, p.259-268.

Seed preferences by birds: Effects of the design of feeding-preference experiments. Cueto, Victor R.; Marone, Luis; de Casenave, Javier Lopez. Journal of Avian Biology; September 2001; v.32, no.3, p.275-278.

Seed supply as a limiting factor for granivorous bird assemblages in the Monte Desert, Argentina. Blendinger, Pedro G.; Ojeda, Ricardo A. Austral Ecology; August 2001; v.26, no.4, p.413-422.

Seed-crop size and eruptions of North American boreal seed-eating birds. Koenig, Walter D.; Knops, Johannes M. H. Journal of Animal Ecology; July 2001; v.70, no.4, p.609-620.

Seeing without being seen: A removal experiment with mixed flocks of Willow and Crested Tits Parus montanus and cristatus. Krams, Indrikis. Ibis; July 2001; v.143, no.3, p.476-481.

Selecting appropriate controls in studies of owl nest-site selection (reply to Marks). Bosakowski, Thomas; Smith, Dwight G. Journal of Field Ornithology; Summer 2001; v.72, no.3, p.465-467.

Selection for cryptic coloration in a visually heterogeneous habitat.

Selection for cryptic coloration in a visually heterogeneous habitat. Merilaita, Sami; Lyytinen, Anne; Mappes, Johanna. Proceedings of the Royal Society Biological Sciences Series B; 22 September 2001; v.268, no.1479, p.1925-1929.

Selection of forage species and the creation of alternative feeding areas for dark-bellied brent geese Branta bernicla bernicla in southern UK coastal areas. McKay, H. V.; Milsom, T. P.; Feare, C. J.; Ennis, D. C.; O'Connell, D. P.; Haskell, D. J. Agriculture Ecosystems & Environment; April 2001; v.84, no.2, p.99-113.

Selection of foraging sites in mixed Willow and Crested Tit flocks: Rank-dependent survival strategies. Krams, Indrikis A.; Krams, Tatjana; Cernihovics, Jevgenijs. Ornis Fennica; 2001; v.78, no.1, p.1-11.

Selection of habitats by Emperor Geese during brood rearing. Schmutz, Joel A. Waterbirds; December 2001; v.24, no.3, p.394-401.

Selection of habitats by Emperor Geese during brood rearing. Schmutz, Joel A. Waterbirds; December 2001; v.24, no.3, p.394-401.

Selection of suitable census method for the Indian sarus crane Grus antigone antigone. Mukherjee, Aeshita; Borad, C. K.; Patel, S. B.; Parasharya, B. M. Journal of the Bombay Natural History Society; August 2001; v.98, no.2, p.237-241.

Selection on females can create 'larger males'. Karubian, Jordan; Swaddle, John P. Proceedings of the Royal Society Biological Sciences Series B; 7 April 2001; v.268, no.1468, p.725-728.

Selective extinction and rapid loss of evolutionary history in the bird fauna. von Euler, F. Proceedings of the Royal Society Biological Sciences Series B; 22 January 2001; v.268, no.1463, p.127-130.

Selective foliage foraging by Red Wattlebirds, Anthochaera carunculata, and Noisy Friarbirds, Philemon corniculatus. Saunders, Anthony S. J.; Burgin, Shelley. Emu; 2001; v.101, no.2, p.163-166.

Selfish begging by screaming cowbirds, a mimetic brood parasite of the bay-winged cowbird. Lichtenstein, Gabriela. Animal Behaviour; June 2001; v.61, no.6, p.1151-1158.

Self-similarity and the relationship between abundance and range size. Harte, John; Blackburn, Tim; Ostling, Annette. American Naturalist; April 2001; v.157, no.4, p.374-386.

Sensory exploitation of prey: Manipulation of the initial direction of prey escapes by a conspicuous 'rare enemy'. Jablonski, P. G. Proceedings of the Royal Society Biological Sciences Series B; 22 May 2001; v.268, no.1471, p.1017-1022.

Sentinels in Saltator atricollis (Passeriformes: Emberizidae). Ragusa-Netto, J. Brazilian Journal of Biology; May 2001; v.61, no.2, p.317-322.

Separating Acrocephalus and Hippolais warblers. Page, Doug. British Birds; January 2001; v.94, no.1, p.44.

Separating the effects of predation risk and interrupted foraging upon mass changes in the blue tit Parus caeruleus. Rands, Sean A.; Cuthill, Innes C. Proceedings of the Royal Society Biological Sciences Series B; 7 September 2001; v.268, no.1478, p.1783-1790.

Separating the effects of predation risk and interrupted foraging upon mass changes in the blue tit Parus caeruleus. Rands, Sean A.; Cuthill, Innes C. Proceedings of the Royal Society Biological Sciences Series B; 7 September 2001; v.268, no.1478, p.1783-1790.

Seroepizootiology of selected infectious disease agents in free-living birds of prey in Germany. Schettler, Elvira; Langgemach, Torsten; Soemmer, Paul; Streich, Juergen; Froelich, Kai. Journal of Wildlife Diseases; January 2001; v.37, no.1, p.145-152.

Serological responses and immunity to superinfection with avian malaria in experimentally-infected Hawaii Amakihi. Atkinson, Carter T.; Dusek, Robert J.; Lease, Julie K. Journal of Wildlife Diseases; January 2001; v.37, no.1, p.20-27.

Serological status for Chlamydophila psittaci, Newcastle disease virus, avian polyoma virus, and Pacheco disease virus in scarlet macaws (Ara macao) kept in captivity in Costa Rica. Herrera, I.; Khan, S. R.; Kaleta, E. F.; Mueller, H.; Dolz, G.; Neumann, U. Journal of Veterinary Medicine Series B; December 2001; v.48, no.10, p.721-726.

Seroprevalence of Ranikhet disease in backyard, zoo and free living birds. Kumar, S.; Singh, K. C. P.; Prasad, C. B.; Singh, S. S. Indian Veterinary Journal; June 2001; v.78, no.6, p.542-543.

Serosurveys for West Nile virus infection: New York and Connecticut counties, 2000. Centers for Disease Control. Morbidity and Mortality Weekly Report; January 26 2001; v.50, no.3, p.37-39.

Setting harness sizes and other marking techniques for a falcon with strong sexual dimorphism. Kenward, Robert E.; Pfeffer, Ralf H.; Al-Bowardi, Mohamed A.; Fox, Nicholas C.; Riddle, Kenton E.; Bragin, Evgeny A.; Levin, Anatoli; Walls, Sean S.; Hodder, Kathryn H. Journal of Field Ornithology; Spring 2001; v.72, no.2, p.244-257.

Setting priorities for the conservation of terrestrial vertebrates in Hungary. Baldi, Andras; Csorba, Gabor; Korsos, Zoltan. Biodiversity and Conservation; August 2001; v.10, no.8, p.1283-1296.

Sex- and age-related variation in plasma carotenoids despite a constant diet in the red-legged partridge Alectoris rufa. Negro, Juan J.; Tella, Jose L.; Hiraldo, Fernando; Bortolotti, Gary R.; Prieto, Paloma. Ardea; 2001; v.89, no.2, p.275-280.

Sex- and age-related variation in survival and cost of first reproduction in Greater Flamingos. Tavecchia, Giacomo; Pradel, Roger; Boy, Vincent; Johnson, Alan R.; Cezilly, Frank. Ecology (Washington D C); January 2001; v.82, no.1, p.165-174.

Sex determination in Booted Eagles (Hieraaetus pennatus) using molecular procedures and discriminant function analysis. Balbontin, Javier; Ferrer, Miguel; Casado, Eva. Journal of Raptor Research; March 2001; v.35, no.1, p.20-23.

Sex determination in the chicken embryo. Smith, Craig A.; Sinclair, Andrew H. Journal of Experimental Zoology; December 1 2001; v.290, no.7, p.691-699.

Sex differences in discrimination of vocal communication signals in a songbird. Vicario, David S.; Naqvi, Nasir H.; Raksin, Jonathan N. Animal Behaviour; April 2001; v.61, no.4, p.805-817.

Sex differences in diving depths and diet of Antarctic Shags at the South Shetland Islands. Casaux, R.; Favero, M.; Silva, P.; Baroni, A. Journal of Field Ornithology; Winter 2001; v.72, no.1, p.22-29.

Sex differences in parental care in a Corsican Blue Tit Parus caeruleus population. Banbura, Jerzy; Perret, Philippe; Blondel, Jacques; Sauvages, Anne; Galan, Marie-Jose; Lambrechts, Marcel M. Ardea; 2001; v.89, no.3, p.517-526.

Sex differences in survival selection in the serin, Serinus serinus. Bjorklund, M.; Senar, J. C. Journal of Evolutionary Biology; September 2001; v.14, no.5, p.841-849.

Sex does not affect early growth or survival in chicks of the Roseate Tern. Nisbet, Ian C. T.; Szczys, Patricia. Waterbirds; April 2001; v.24, no.1, p.45-49.

Sex from W to Z: Evolution of vertebrate sex chromosomes and sex determining genes. Graves, Jennifer A. Marshall; Shetty, Swathi. Journal of Experimental Zoology; September 15 2001; v.290, no.5, p.449-462.

Sex ratio bias at hatching and fledging in the Roseate Tern. Szczys, Patricia; Nisbet, Ian C. T.; Hatch, Jeremy J.; Kesseli, Richard V. Condor; May 2001; v.103, no.2, p.385-389.

Sex ratios of Dunlin wintering at two latitudes on the Pacific Coast. Shepherd, Philippa C. F.; Lank, David B.; Smith, Barry D.; Warnock, Nils; Kaiser, Gary W.; Williams, Tony D. Condor; May 2001; v.103, no.2, p.352-360.

Sex roles, parental effort and offspring desertion in the monogamous Eurasian Curlew Numenius arquata. Currie, Dave; Valkama, Jari; Berg, Ake; Boschert, Martin; Norrdahl, Kai; Hanninen, Mikko; Korpimaki, Erkki; Poyri, Ville; Hemminki, Ossi. Ibis; October 2001; v.143, no.4, p.642-650.

Sex roles, parental effort and offspring desertion in the monogamous Eurasian Curlew Numenius arquata. Currie, Dave; Valkama, Jari; Berg, Ake; Boschert, Martin; Norrdahl, Kai; Hanninen, Mikko; Korpimaki, Erkki; Poyri, Ville; Hemminki, Ossi. Ibis; October 2001; v.143, no.4, p.642-650.

Sex, bowers and brains. Madden, Joah. Proceedings of the Royal Society Biological Sciences Series B; 22 April 2001; v.268, no.1469, p.833-838.

Sex, diet and feeding method-related differences in body condition in the Oystercatcher Haematopus ostralegus. Le V. Dit Durell, Sarah E. A.; Goss-Custard, John D.; Caldow, Richard W. G.; Malcolm, Heath M.; Osborn, Daniel. Ibis; January 2001; v.143, no.1, p.107-119.

Sex, genes, and heat: Triggers of diversity. Western, Patrick S.; Sinclair, Andrew H. Journal of Experimental Zoology; November 1 2001; v.290, no.6, p.624-631.

sex. Herting, Brian L.; Belthoff, James R. Auk; October 2001; v.118, no.4, p.1095-1101.

Sex-biased gene flow in spectacled eiders (Anatidae): Inferences from molecular markers with contrasting modes of inheritance. Scribner, Kim T.; Petersen, Margaret R.; Fields, Raymond L.; Talbot, Sandra L.; Pearce, John M.; Chesser, Ronald K. Evolution; October 2001; v.55, no.10, p.2105-2115.

Sex-biased hatching sequences in the cooperatively breeding Noisy Miner. Arnold, Kathryn E.; Griffith, Simon C.; Goldizen, Anne W. Journal of Avian Biology; September 2001; v.32, no.3, p.219-223.

Sex-dependent frequency and consequences of natural handicaps in American Kestrels. Dawson, Russell D.; Bortolotti, Gary R.; Murza, Gillian L. Journal of Avian Biology; December 2001; v.32, no.4, p.351-357.

Sexing adult Cory's Shearwater by discriminant analysis of body measurements on Linosa Island (Sicilian Channel), Italy. Lo Valvo, Mario. Waterbirds; August 2001; v.24, no.2, p.169-174.

Sexing animals using biometry: Intra-pair comparison is often superior to discriminant functions. Sandvik, Hanno. Fauna Norvegica; 2001; v.21, p.11-16.

Sexing Bonelli's Eagle nestlings: Morphometrics versus molecular techniques. Palma, Luis; Mira, Sara; Cardia, Pedro; Beja, Pedro; Guillemaud, Thomas; Ferrand, Nuno; Cancela, M. Leonor; da Fonseca, Luis Cancela. Journal of Raptor Research; September 2001; v.35, no.3, p.187-193.

Sexing chick embryos: A rapid and simple protocol. Clinton, M.; Haines, L.; Belloir, B.; McBride, D. British Poultry Science; March 2001; v.42, no.1, p.134-138.

Sexing North Island robins (Petroica australis longipes) from morphometrics and plumage. Armstrong, Doug P. Notornis; June 2001; v.48, no.2, p.76-80.

Sexing on down and feather colour in the Dandarawi Egyptian breed. Abdellatif, M. A. British Poultry Science; July 2001; v.42, no.3, p.327-332.

Sex-related differences in habitat use in wintering American Kestrels. Ardia, Daniel R.; Bildstein, Keith L. Auk; July 2001; v.118, no.3, p.746-750.

Sex-related differences in habitat use in wintering American Kestrels. Ardia, Daniel R.; Bildstein, Keith L. Auk; July 2001; v.118, no.3, p.746-750.

Sex-specific associations between reproductive output and hematozoan parasites of American kestrels. Dawson, Russell D.; Bortolotti, Gary R. Oecologia (Berlin); January 2001; v.126, no.2, p.193-200.

Sexual difference in heavy metal contamination in the liver of tits Parus in winter. Hogstad, Olav. Ornis Fennica; 2001; v.78, no.1, p.39-43.

Sexual dimorphism for growth in Muscovy ducks and changes in insulin-like growth factor I (IGF-I), growth hormone (GH) and triiodothyronine (T3) plasma levels. Baeza, Elisabeth; Williams, John; Guemene, Daniel; Duclos, Michel J. Reproduction Nutrition Development; March-April 2001; v.41, no.2, p.173-179.

Sexual dimorphism, extrapair fertilizations, and operational sex ratio in great frigatebirds (Fregata minor). Dearborn, Donald C.; Anders, Angela D.; Parker, Patricia G. Behavioral Ecology; Nov.-Dec. 2001; v.12, no.6, p.746-752.

Sexual dimorphism, extrapair fertilizations, and operational sex ratio in great frigatebirds (Fregata minor). Dearborn, Donald C.; Anders, Angela D.; Parker, Patricia G. Behavioral Ecology; Nov.-Dec. 2001; v.12, no.6, p.746-752.

Sexual imprinting and the origin of obligate brood parasitism in birds. Slagsvold, Tore; Hansen, Bo T. American Naturalist; October 2001; v.158, no.4, p.354-367.

Sexual imprinting and the origin of obligate brood parasitism in birds. Slagsvold, Tore; Hansen, Bo T. American Naturalist; October 2001; v.158, no.4, p.354-367.

Sexual selection and the geography of Plasmodium infection in Savannah sparrows (Passerculus sandwichensis). Freeman-Gallant, Corey R.; O'Connor, Kathleen D.; Breuer, Megan E. Oecologia (Berlin); May 2001; v.127, no.4, p.517-521.

Sexual selection of multiple handicaps in the red-collared widowbird: Female choice of tail length but not carotenoid display. Pryke, Sarah R.; Andersson, Staffan; Lawes, Michael J. Evolution; July 2001; v.55, no.7, p.1452-1463.

Sexual selection on plumage and behavior in an avian hybrid zone: Experimental tests of male-male interactions. McDonald, David B.; Clay, Robert P.; Brumfield, Robb T.; Braun, Michael J. Evolution; July 2001; v.55, no.7, p.1443-1451.

Sexual selection, extra-pair paternity, genetic variability and conservation. Moller, Anders Pape. Acta Zoologica Sinica; Feb. 2001; v.47, no.1, p.2-12.

Sexual size dimorphism and positive assortative mating in Alpine Choughs (Pyrrhocorax graculus). Delestrade, Anne. Auk; April 2001; v.118, no.2, p.553-556.

Sexually selected traits and adult survival: A meta-analysis. Jennions, Michael D.; Moller, Anders P.; Petrie, Marion. Quarterly Review of Biology; March 2001; v.76, no.1, p.3-36.

Sexy streamers? The role of natural and sexual selection in the evolution of hirundine tail streamers. Park, K. J.; Buchanan, K. L.; Evans, M. R. Evolution; February 2001; v.55, no.2, p.445-446.

Shape and sources of variations of the functional response of wildfowl: An experiment with mallards, Anas platyrhynchos. Fritz, Herve; Durant, Daphne; Guillemain, Matthieu. Oikos; June 2001; v.93, no.3, p.488-496.

Shared parentage and incest avoidance in the cooperatively breeding acorn woodpecker. Haydock, J.; Koenig, W. D.; Stanback, M. T. Molecular Ecology; June 2001; v.10, no.6, p.1515-1525.

Shifts in bilateral asymmetry within a distribution range: The case of the chukar partridge. Kark, Salit. Evolution; October 2001; v.55, no.10, p.2088-2096.

Short-billed Dowitcher: Limnodromus griseus. Jehlr, Joseph R., Jr.; Klima, Joanna; Harris, Ross E. Birds of North America; 2001; no.564, p.1-27.

Short-eared Owl, Asio flammeus, attack on a Burrowing Owl, Athene cunicularia, in Suffield National Wildlife Area, Alberta. Carnegie, Sarah D.; Urton, Erin J.; Gummer, David L. Canadian Field-Naturalist; April-June 2001; v.115, no.2, p.345-346.

Short-term regulation of food-provisioning rate and effect on prey size in blue tits, Parus caeruleus. Grieco, Fabrizio. Animal Behaviour; July 2001; v.62, no.1, p.107-116.

Short-term regulation of food-provisioning rate and effect on prey size in blue tits, Parus caeruleus. Grieco, Fabrizio. Animal Behaviour; July 2001; v.62, no.1, p.107-116.

Should diet be based on biomass? Importance of larger prey to the American marten. Cumberland, Roderick E.; Dempsey, Jeff A.; Forbes, Graham J. Wildlife Society Bulletin; Winter 2001; v.29, no.4, p.1125-1130.

Should vigilance always decrease with group size? Beauchamp, Guy. Behavioral Ecology and Sociobiology; December 2001; v.51, no.1, p.47-52.

Sibling competition affects individual growth strategies in marsh tit, Parus palustris, nestlings. Nilsson, Jan-Ake; Gardmark, Anna. Animal Behaviour; February 2001; v.61, no.2, p.357-365.

Sighting of sociable lapwing Vanellus gregarius in Kachchh district, Gujarat. Joshua, Justus; Sunderraj, S. F. Wesley; Gokula, V.; Rao, S. V. Subba; Narayanan, Pranita; Dinesan, Rashmi. Journal of the Bombay Natural History Society; April 2001; v.98, no.1, p.111-112.

Sighting of the whitetailed lapwing Vanellus leucurus (Lichtenstein) in Thrissur district, Kerala. Ravindran, P. K. Journal of the Bombay Natural History Society; August 2001; v.98, no.2, p.280.

Sightings of whitecheeked tern Sterna repressa, whitewinged black tern Chlidonias leucopterus and Saunders's little tern

Signal detection in amplitude-modulated maskers. I. Behavioural auditory thresholds in a songbird. Langemann, Ulrike; Klump, Georg M. European Journal of Neuroscience; March 2001; v.13, no.5, p.1025-1032.

Signal detection in amplitude-modulated maskers. II. Processing in the songbird's auditory forebrain. Nieder, Andreas; Klump, Georg M. European Journal of Neuroscience; March 2001; v.13, no.5, p.1033-1044.

Signaling individual identity versus quality: A model and case studies with ruffs, queleas, and house finches. Dale, James; Lank, David B.; Reeve, Hudson Kern. American Naturalist; July 2001; v.158, no.1, p.75-86.

Significance of the White Sea as a stopover for Bewick's Swans Cygnus columbianus bewickii in spring. Nolet, Bart A.; Andreev, Valery A.; Clausen, Preben; Poot, Martin J. M.; Wessel, Erik G. J. Ibis; January 2001; v.143, no.1, p.63-71.

Similarity of the song nuclei of male and female Australian magpies (Gymnorhina tibicen). Deng, Chao; Kaplan, Gisela; Rogers, Lesley J. Behavioural Brain Research; 27th August 2001; v.123, no.1, p.89-102.

Simultaneous development of vocal and physical object combinations by a Grey parrot (Psittacus erithacus): Bottle caps, lids, and labels. Pepperberg, Irene M.; Shive, Heather R. Journal of Comparative Psychology; December 2001; v.115, no.4, p.376-384.

Simultaneous development of vocal and physical object combinations by a Grey parrot (Psittacus erithacus): Bottle caps, lids, and labels. Pepperberg, Irene M.; Shive, Heather R. Journal of Comparative Psychology; December 2001; v.115, no.4, p.376-384.

Simultaneous tetragyny in Northern Lapwing Vanellus vanellus. Hafsmo, Jo Esten; Byrkjedal, Ingvar; Gronstol, Gaute Bo; Lislevand, Terje. Bird Study; March 2001; v.48, no.1, p.124-125.

Singing in the face of danger: The anomalous Type II vocalization of the splendid fairy-wren. Zelano, Bethanne; Tarvin, Keith A.; Pruett-Jones, Stephen. Ethology; March 2001; v.107, no.3, p.201-216.

Site fidelity and recurrence of some migrant bird species in The Gambia. King, J. Michael B.; Hutchinson, John M. C. Ringing & Migration; November 2001; v.20, no.4, p.292-302.

Site fidelity and reproductive success of Black Oystercatchers in British Columbia. Hazlitt, Stephanie L.; Butler, Robert W. Waterbirds; August 2001; v.24, no.2, p.203-207.

Site fidelity in habitats with contrasting levels of nest predation and brood parasitism. Schmidt, Kenneth A. Evolutionary Ecology Research; October 2001; v.3, no.6, p.633-648.

Site reoccupation in fragmented landscapes: Testing predictions of metapopulation theory. Hames, Ralph S.; Rosenberg, Kenneth V.; Lowe, James D.; Dhondt, Andre A. Journal of Animal Ecology; March 2001; v.70, no.2, p.182-190.

Site selection and repeatability in Brown-headed Cowbird (Molothrus ater) parasitism of Eastern Phoebe (Sayornis phoebe) nests. Hauber, Mark E. Canadian Journal of Zoology; August 2001; v.79, no.8, p.1518-1523.

Site-specific observation in the breeding season improves the ability of checklist data to track population trends. Dunn, Erica H.; Larivee, Jacques; Cyr, Andre. Journal of Field Ornithology; Autumn 2001; v.72, no.4, p.547-555.

Size and mass of grit in gizzards of Sandhill Cranes, Tundra Swans, and Mute Swans. Franson, J. Christian; Hansen, Scott P.; Duerr, Adam E.; Destefano, Stephen. Waterbirds; August 2001; v.24, no.2, p.242-244.

Size and mass of grit in gizzards of Sandhill Cranes, Tundra Swans, and Mute Swans. Franson, J. Christian; Hansen, Scott P.; Duerr, Adam E.; Destefano, Stephen. Waterbirds; August 2001; v.24, no.2, p.242-244.

Size and scope of the bird collections of New Zealand museums. Gill, B. J. Notornis; June 2001; v.48, no.2, p.108-110.

Size- and sex-selective mortality of adult sockeye salmon: Bears, gulls, and fish out of water. Quinn, Thomas P.; Buck, Gregory B. Transactions of the American Fisheries Society; November 2001; v.130, no.6, p.995-1005.

Size and shape of the geographical ranges of Andean passerine birds: Spatial patterns in environmental resistance and anisotropy. Ruggiero, Adriana. Journal of Biogeography; October 2001; v.28, no.10, p.1281-1294.

Size characteristics of stones ingested by Common Loons. Franson, J. Christian; Hansen, Scott P.; Pokras, Mark A.; Miconi, Rose. Condor; February 2001; v.103, no.1, p.189-191.

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.

Size of sand grains as a significant factor affecting the nesting of bank swallows (Riparia riparia). Heneberg, Petr. Biologia (Bratislava); April 2001; v.56, no.2, p.205-210.

Sleep changes during long-term fasting in the incubating female Common Eider Somateria mollissima. Criscuolo, Francois; Gauthier-Clerc, Michel; Le Maho, Yvon; Zorn, Thierry; Gabrielsen, Geir Wing. Ardea; 2001; v.89, no.3, p.441-448.

Sleep changes during long-term fasting in the incubating female Common Eider Somateria mollissima. Criscuolo, Francois; Gauthier-Clerc, Michel; Le Maho, Yvon; Zorn, Thierry; Gabrielsen, Geir Wing. Ardea; 2001; v.89, no.3, p.441-448.

Slow northward spread of the Lark Sparrow. Houston, C. Stuart; Houston, Mary I. Blue Jay; March 2001; v.59, no.1, p.40-42.

Small-scale spatial variation in the interactions between Prunus mahaleb and fruit-eating birds. Fuentes, Marcelino; Guitian, Jose; Guitian, Pablo; Bermejo, Teresa; Larrinaga, Asier; Amezquita, Pilar; Bongiomo, Salvatore. Plant Ecology; November 2001; v.157, no.1, p.69-75.

Small-scale spatial variation in the interactions between Prunus mahaleb and fruit-eating birds. Fuentes, Marcelino; Guitian, Jose; Guitian, Pablo; Bermejo, Teresa; Larrinaga, Asier; Amezquita, Pilar; Bongiomo, Salvatore. Plant Ecology; November 2001; v.157, no.1, p.69-75.

Smooth-billed ani (Crotophaga ani) predation on butterflies in Mato Grosso, Brazil: Risk decreases with increased group size. Burger, Joanna; Gochfeld, Michael. Behavioral Ecology and Sociobiology; May 2001; v.49, no.6, p.482-492.

Snow cover and snow goose Anser caerulescens caerulescens distribution during spring migration. Hupp, Jerry W.; Zacheis, Amy B.; Anthony, R. Michael; Robertson, Donna G.; Erickson, Wallace P.; Palacios, Kelly C. Wildlife Biology; June 2001; v.7, no.2, p.65-76.

Social and breeding behaviour of the crested francolin in the Rustenburg district, South Africa. van Niekerk, J. H. South African Journal of Wildlife Research; 2001; v.31, no.1-2, p.35-42.

Social and ecological factors influencing vigilance by northwestern crows, Corvus caurinus. Robinette, Renee L.; Ha, James C. Animal Behaviour; September 2001; v.62, no.3, p.447-452.

Social dominance and stress hormones. Creel, Scott. Trends in Ecology & Evolution; September 2001; v.16, no.9, p.491-497.

Social dominance, male behaviour and mating in mixed-sex flocks of red jungle fowl. Johnsen, Torgeir S.; Zuk, Marlene; Fessler, Elizabeth A. Behaviour; January 2001; v.138, no.1, p.1-18.

Social foraging and the evolution of white plumage. Beauchamp, Guy; Heeb, Philipp. Evolutionary Ecology Research; October 2001; v.3, no.6, p.703-720.

Social foraging and the evolution of white plumage. Beauchamp, Guy; Heeb, Philipp. Evolutionary Ecology Research; October 2001; v.3, no.6, p.703-720.

Social influence on early foraging of domestic chicks (Gallus gallus) in a near-to-nature procedure. Gajdon, Gyula K.; Hungerbuhler, Nadja; Stauffacher, Markus. Ethology; October 2001; v.107, no.10, p.913-937.

Social learning affects object exploration and manipulation in keas, Nestor notabilis. Huber, Ludwig; Rechberger, Sabine; Taborsky, Michael. Animal Behaviour; November 2001; v.62, no.5, p.945-954.

Social mating systems and extrapair fertilizations in passerine birds. Hasselquist, Dennis; Sherman, Paul W. Behavioral Ecology; July-Aug. 2001; v.12, no.4, p.457-466.

Social organization of cooperatively breeding long-tailed tits: Kinship and spatial dynamics. Hatchwell, B. J.; Anderson, C.; Ross, D. J.; Fowlie, M. K.; Blackwell, P. G. Journal of Animal Ecology; September 2001; v.70, no.5, p.820-830.

Social structure, habitat use and breeding biology of hedgerow Dunnocks Prunella modularis. Bishton, Glenn. Bird Study; July 2001; v.48, no.2, p.188-193.

Some considerations on the use of ecological models to predict species' geographic distributions. Peterjohn, Bruce G. Condor; August 2001; v.103, no.3, p.661-663.

Some effects of inclement weather conditions on the survival and condition of bull-headed shrike nestlings. Takagi, Masaoki. Ecological Research; March 2001; v.16, no.1, p.55-63.

Some tests of the anticipatory mediated generalization model of acquired sample equivalence in pigeons' many-to-one matching. Urcuioli, Peter J.; Lionello-DeNolf, Karen M. Animal Learning & Behavior; August 2001; v.29, no.3, p.265-280.

Song characteristics and singing behavior of the Mangrove Warbler (Dendroica petechia bryanti). Mennill, Daniel J. Journal of Field Ornithology; Summer 2001; v.72, no.3, p.327-337.

Song perch characteristics of Golden-winged Warblers in a mountain wetland. Rossell, C. Reed, Jr. Wilson Bulletin; June 2001; v.113, no.2, p.246-248.

Song properties of Indigo Buntings in open and forested habitats.

Song type matching as threat: A test using interactive playback. Burt, John M.; Campbell, S. Elizabeth; Beecher, Michael D. Animal Behaviour; December 2001; v.62, no.6, p.1163-1170.

Song variation among Cistothorus wrens, with a focus on the Merida Wren. Kroodsma, Donald E.; Wilda, Krista; Salas, Viviana; Muradian, Roldan. Condor; November 2001; v.103, no.4, p.855-861.

Song variation in Blue Tit Parus caeruleus populations from Corsica and mainland southern France. Doutrelant, Claire; Lemaitre, Olivier; Lambrechts, Marcel M. Ardea; 2001; v.89, no.2, p.375-385.

Songbird abundance and avian nest survival rates in forests fragmented by different silvicultural treatments. Duguay, Jeffrey P.; Wood, Petra Bohall; Nichols, Jeffrey V. Conservation Biology; October 2001; v.15, no.5, p.1405-1415.

Songbird and medium-sized mammal communities associated with exurban development in Pitkin County, Colorado. Odell, Eric A.; Knight, Richard L. Conservation Biology; August 2001; v.15, no.4, p.1143-1150.

Songbird cheaters pay a retaliation cost: Evidence for auditory conventional signals. Molles, Laura E.; Vehrencamp, Sandra L. Proceedings of the Royal Society Biological Sciences Series B; 7 October 2001; v.268, no.1480, p.2013-2019.

Songbird genomics: Analysis of 45 kb upstream of a polymorphic Mhc class II gene in red-winged blackbirds (Agelaius phoeniceus). Gasper, Joe S.; Shiina, Takashi; Inoko, Hidetoshi; Edwards, Scott V. Genomics; July 2001; v.75, no.1-3, p.26-34.

Sonomicrometry and kinematic estimates of the mechanical power of bird flight. Warrick, Douglas R.; Tobalske, Bret W.; Biewener, Andrew A.; Dial, Kenneth P. Bulletin of the Museum of Comparative Zoology; 10 October 2001; v.156, no.1, p.257-268.

Sonoran Desert columnar cacti and the evolution of generalized pollination systems. Fleming, Theodore H.; Sahley, Catherine T.; Holland, J. Nathaniel; Nason, John D.; Hamrick, J. L. Ecological Monographs; November 2001; v.71, no.4, p.511-530.

Sonoran Desert conservation. Cohn, Jeffrey P. Bioscience; August 2001; v.51, no.8, p.606-610.

Sons and daughters: Age-specific differences in parental rearing capacities. Daunt, F.; Monaghan, P.; Wanless, S.; Harris, M. P.; Griffiths, R. Functional Ecology; April 2001; v.15, no.2, p.211-216.

Sound-based species-specific recognition in the blackcap Sylvia atricapilla shows high tolerance to signal modifications. Mathevon, Nicolas; Aubin, Thierry. Behaviour; April 2001; v.138, no.4, p.511-524.

Sound-localization experiments with barn owls in virtual space: Influence of broadband interaural level difference on head-turning behavior. Poganiatz, Iris; Wagner, Hermann. Journal of Comparative Physiology A Sensory Neural and Behavioral Physiology; April 2001; v.187, no.3, p.225-233.

Source-sink dynamics of a declining Eastern Kingbird population and the value of sink habitats. Murphy, Michael T. Conservation Biology; June 2001; v.15, no.3, p.737-748.

South polar skua (Catharacta maccormicki) and Cook's petrel (Pterodroma cookii) on the Chatham Rise. Petyt, Chris. Notornis; March 2001; v.48, no.1, p.41-42.

Spacing behavior of the middle spotted woodpecker in central Europe. Pasinelli, Gilberto; Hegelbach, Johann; Reyer, Heinz-Ulrich Journal of Wildlife Management; July 2001; v.65, no.3, p.432-441.

Spacing patterns and winter dominance relationships among three species of wagtails (Motacilla spp.) in Japan. Ohsako, Yoshito. Japanese Journal of Ornithology; February 2001; v.50, no.1, p.1-15.

Sparrowhawks kill large-sized prey by drowning. Vahatalo, Anssi V. Ornis Fennica; 2001; v.78, no.3, p.139-140.

Sparrows as possible heavy-metal biomonitors of polluted environments. Gragnaniello, S.; Fulgione, D.; Milone, M.; Soppelsa, O.; Cacace, P.; Ferrara, L. Bulletin of Environmental Contamination and Toxicology; June 2001; v.66, no.6, p.719-726.

Spatial analysis of eucalypt dieback at Coranderrk, Australia. Martin, Rachel A. U.; Burgman, Mark A.; Minchin, Peter R. Applied Vegetation Science; December 2001; v.4, no.2, p.257-266.

Spatial and temporal distribution of Atlantic Population Canada geese. Malecki, Richard A.; Batt, Bruce D. J.; Sheaffer, Susan E. Journal of Wildlife Management; April 2001; v.65, no.2, p.242-247.

Spatial and temporal relations between the Barred Warbler Sylvia nisoria and the Red-backed Shrike Lanius collurio in the Wielkopolska region (W Poland). Kuzniak, Stanislaw; Bednorz, Jan; Tryjanowski, Piotr. Acta Ornithologica (Warsaw); Winter 2001; v.36, no.2, p.129-133.

Spatial and temporal variability in nest success of Snail Kites in Florida: A meta-analysis. Dreitz, Victoria J.; Bennetts, Robert E.; Toland, Brian; Kitchens, Wiley M.; Collopy, Michael W. Condor; August 2001; v.103, no.3, p.502-509.

Spatial and temporal variability in nest success of Snail Kites in Florida: A meta-analysis. Dreitz, Victoria J.; Bennetts, Robert E.; Toland, Brian; Kitchens, Wiley M.; Collopy, Michael W. Condor; August 2001; v.103, no.3, p.502-509.

Spatial and temporal variation in diets of Spotted Owls in Washington. Forsman, Eric D.; Otto, Ivy A.; Sovern, Stan G.; Taylor, Margaret; Hays, David W.; Allen, Harriet; Roberts, Susan L.; Seaman, D. Erran. Journal of Raptor Research; June 2001; v.35, no.2, p.141-150.

Spatial and temporal variation in migrant raptors on Java, Indonesia. Nijman, Vincent. Emu; 2001; v.101, no.3, p.259-263.

Spatial attention modulates sound localization in barn owls. Johnen, Anja; Wagner, Hermann; Gaese, Bernhard H. Journal of Neurophysiology (Bethesda); February 2001; v.85, no.2, p.1009-1012.

Spatial autocorrelation and local disappearances in wintering North American birds. Koenig, Walter D. Ecology (Washington D C); September 2001; v.82, no.9, p.2636-2644.

Spatial consequences of relatedness and age in buzzards. Walls, Sean S.; Kenward, Robert E. Animal Behaviour; June 2001; v.61, no.6, p.1069-1078.

Spatial distribution and behaviour of laying hens housed in an alternative system. Channing, C. E.; Hughes, B. O.; Walker, A. W. Applied Animal Behaviour Science; 1 June 2001; v.72, no.24, p.335-345.

Spatial patterns of range contraction in British breeding birds. Donald, Paul F.; Greenwood, Jeremy J. D. Ibis; October 2001; v.143, no.4, p.593-601.

Spatial variation in tuber depletion by swans explained by differences in net intake rates. Nolet, Bart A.; Langevoord, Oscar; Bevan, Richard M.; Engelaar, Kirsten R.; Klaassen, Marcel; Mulder, Roef J. W.; Van Dijk, S. Ecology (Washington D C); June 2001; v.82, no.6, p.1655-1667.

Spatiotemporal variation in the role of hummingbirds as pollinators of Silene virginica. Fenster, Charles B.; Dudash, Michele R. Ecology (Washington D C); March 2001; v.82, no.3, p.844-851.

Spatio-temporal variation of avian foraging in the rocky intertidal food web. Hori, Masakazu; Noda, Takashi. Journal of Animal Ecology; January 2001; v.70, no.1, p.122-137.

Speciation, introgressive hybridization and nonlinear rate of molecular evolution in flycatchers. Saetre, Glenn-Peter; Borge, Thomas; Lindell, Johan; Moum, Truls; Primmer, Craig R.; Sheldon, Ben C.; Haavie, Jon; Johnsen, Arild; Ellegren, Hans. Molecular Ecology; March 2001; v.10, no.3, p.737-749.

Species and environment representation: Selecting reserves for the retention of avian diversity in KwaZulu-Natal, South Africa. Fairbanks, Dean H. K.; Reyers, Belinda; van Jaarsveld, Albert S. Biological Conservation; April 2001; v.98, no.3, p.365-379.

Species limits in antbirds: The Thamnophilus punctatus complex continued. Isler, Morton L.; Isler, Phyllis R.; Whitney, Bret M.; Walker, Barry Condor; May 2001; v.103, no.2, p.278-286.

Species of Raillietina Fuhrmann, 1920 (Cestoda: Davaineidae) from the Southern Cassowary (Casuarius Casuarius). O'Callaghan, Michael G.; Andrews, Ross H.; Davies, Margaret; Spratt, David M. Transactions of the Royal Society of South Australia; 30 November 2001; v.125, no.2, p.133-139.

Species richness and endemism of plant and bird communities along two gradients of elevation, humidity and land use in the Bolivian Andes. Kessler, Michael; Herzog, Sebastian K.; Fjeldsa, Jon; Bach, Kerstin. Diversity and Distributions; January-March 2001; v.7, no.1-2, p.61-77.

Species richness and pollen loads of hummingbirds using forest fragments in southern Costa Rica. Borgella, Rene, Jr.; Snow, Allison A.; Gavin, Thomas A. Biotropica; March 2001; v.33, no.1, p.90-109.

Species richness estimation of bird communities: How to control for sampling effort? Walther, Bruno A.; Martin, Jean-Louis. Ibis; July 2001; v.143, no.3, p.413-419.

Species-specific edge effects on nest success and breeding bird density in a forested landscape. Flaspohler, David J.; Temple, Stanley A.; Rosenfield, Robert N. Ecological Applications; February 2001; v.11, no.1, p.32-46.

Species-specific foraging behavior of birds in a riparian forest. Murakami, Masashi; Nakano, Shigeru. Ecological Research; December 2001; v.16, no.5, p.913-923.

Specimen documentation of unusual, and previously unrecorded birds from North Carolina. Lee, David S.; Gerwin, John A.; Browning, Rebecca B. Journal of the Elisha Mitchell Scientific Society; Summer 2001; v.117, no.2, p.123-127.

Specimen records and sightings of ancient Murrelets from the Canadian prairie provinces. Sealy, Spencer G.; Carter, Harry R.; Hudon, Jocelyn. Blue Jay; December 2001; v.59, no.4, p.175-182.

Speeds and wingbeat frequencies of migrating birds compared with calculated benchmarks. Pennycuick, C. J. Journal of Experimental Biology; October 2001; v.204, no.19, p.3283-3294.

Sperm-egg penetration in laying breeder flocks: A technique for the prediction of fertility. Al-Daraji, H. J. British Poultry Science; May 2001; v.42, no.2, p.266-270.

Spinocerebellar projections in the pigeon with special reference to the neck region of the body. Necker, Reinhold. Journal of Comparative Neurology; January 15 2001; v.429, no.3, p.403-418.

Spotted Dove: Streptopelia chinensis. Garrett, Kimball L.; Walker, Ronald L. Birds of North America; 2001; no.586, p.1-19.

Spotted owl demography in the central Sierra Nevada. Seamans, Mark E.; Gutierrez, R. J.; Moen, Christine A.; Peery, M. Zachariah. Journal of Wildlife Management; July 2001; v.65, no.3, p.425-431.

Spring migration of common snipe Gallinago gallinago, in the Gulf of Gdansk area (Poland): Census results and notes on the methodology. Meissner, Wlodzimierz. Alauda; 2001; v.69, no.3, p.429-434.

Spring migration strategies in Pink-footed Geese Anser brachyrhynchus and consequences for spring fattening and fecundity. Madsen, Jesper. Ardea; 2001; v.89, no.1 Special Issue, p.43-55.

Stability of dietary ascorbic acid and the effect of supplementation on reproductive performance of broiler breeder chickens. Creel, L. H.; Maurice, D. V.; Lightsey, S. F.; Grimes, L. W. British Poultry Science; March 2001; v.42, no.1, p.96-101.

Stability parameters of breeding bird communities in an intensively used farmland. Tryjanowski, Piotr. Ekologia (Bratislava); 2001; v.20, no.4, p.379-389.

Stable carbon, nitrogen, and sulfur isotope ratios in riparian food webs on rivers receiving sewage and pulp-mill effluents. Wayland, Mark; Hobson, Keith A. Canadian Journal of Zoology; January 2001; v.79, no.1, p.5-15.

Stable nitrogen isotopes in waterfowl feathers reflect agricultural land use in western Canada. Hebert, Craig E.; Wassenaar, Leonard I. Environmental Science & Technology; September 1 2001; v.35, no.17, p.3482-3487.

Stable-isotope analysis of Canvasback winter diet in upper Chesapeake Bay. Haramis, G. Michael; Jorde, Dennis G.; Macko, Stephen A.; Walker, Jane L. Auk; October 2001; v.118, no.4, p.1008-1017.

Standard and comparative energetics of a small avian herbivore (Phytotoma rara). Rezende, Enrico L.; Lopez-Calleja, M. Victoria; Bozinovic, Francisco. Auk; July 2001; v.118, no.3, p.781-785.

Starlings can categorize symmetry differences in dot displays. Swaddle, John P.; Pruett-Jones, Stephen. American Naturalist; September 2001; v.158, no.3, p.300-307.

State-dependent decisions in long-term fasting king penguins, Aptenodytes patagonicus, during courtship and incubation. Gauthier-Clerc, Michel; Le Maho, Yvon; Gendner, Jean-Paul; Durant, Joel; Handrich, Yves. Animal Behaviour; October 2001; v.62, no.4, p.661-669.

State-dependent sentinels: An experimental study in the Arabian babbler. Wright, Jonathan; Maklakov, Alexei A.; Khazin, Vladimir. Proceedings of the Royal Society Biological Sciences Series B; 22 April 2001; v.268, no.1469, p.821-826.

Status and attempted reintroduction of Burrowing Owls in Minnesota, U.S.A. Martell, Mark S.; Schladweiler, John; Cuthbert, Francesca. Journal of Raptor Research; December 2001; v.35, no.4, p.331-336.

Status and breeding biology of the Chatham Island tomtit (Petroica macrocephala chathamensis). Powlesland, R. G.; Merton, D. V.; Crouchley, D.; O'Connor, S. Notornis; December 2001; v.48, no.4, p.207-216.

Status and distribution of the white-naped tit Parus nuchalis in Gujarat and Rajasthan. Tiwari, J. K. Journal of the Bombay Natural History Society; April 2001; v.98, no.1, p.26-30.

Status and extinction probabilities of great bustard (Otis tarda) leks in Andalucia, southern Spain. Lane, Simon J.; Alonso, J. Carlos. Biodiversity and Conservation; June 2001; v.10, no.6, p.893-910.

Status of the Burrowing Owl in North Dakota. Murphy, Robert K.; Hasselblad, Kristin W.; Grondahl, Chris D.; Sidle, John G.; Martin, Ron E.; Freed, David W. Journal of Raptor Research; December 2001; v.35, no.4, p.322-330.

Status of the common eider breeding in the municipality of Avanersuaq (Thule), north-west Greenland. Christensen, Kim Diget; Falk, Knud. Polar Research; 2001; v.20, no.1, p.109-114.

Status of the Hen Harrier Circus cyaneus in the UK and the Isle of Man in 1998. Sim, Innes M. W.; Gibbons, David W.; Bainbridge, Ian P.; Mattingley, Wendy A. Bird Study; November 2001; v.48, no.3, p.341-353.

Status of the Hen Harrier Circus cyaneus in the UK and the Isle of Man in 1998. Sim, Innes M. W.; Gibbons, David W.; Bainbridge, Ian P.; Mattingley, Wendy A. Bird Study; November 2001; v.48, no.3, p.341-353.

Status of the White-winged Dove in Georgia. Chandler, C. Ray; Lewis, Ernest. Oriole; March-June 2001; v.66, no.1-2, p.9-15.

Status update on White-eared Night Heron Gorsachius magnificus in South China. Fellowes, John R.; Fang, Zhou; Shing, Lee Kwok; Hau, Billy C. H.; Lau, Michael W. N.; Lam, Vicky W. Y.; Young, Llewellyn; Hafner, Heinz. Bird Conservation International; June 2001; v.11, no.2, p.101-111.

Status update on White-eared Night Heron Gorsachius magnificus in South China. Fellowes, John R.; Fang, Zhou; Shing, Lee Kwok; Hau, Billy C. H.; Lau, Michael W. N.; Lam, Vicky W. Y.; Young, Llewellyn; Hafner, Heinz. Bird Conservation International; June 2001; v.11, no.2, p.101-111.

Status, abundance and habitat use of Blue-eyed Cockatoo Cacatua ophthalmica on New Britain, Papua New Guinea. Marsden, Stuart J.; Pilgrim, John D.; Wilkinson, Roger. Bird Conservation International; September 2001; v.11, no.3, p.151-160.

Status, distribution, and taxonomy of the spindalis complex ("Stripe-headed Tanager") in Florida. Pranty, Bill; Smith, P. William. Florida Field Naturalist; February 2001; v.29, no.1, p.13-25.

Steller's Eider: Polysticta stelleri. Fredrickson, Leigh H. Birds of North America; 2001; no.571, p.1-23.

Stephen C.; Ross, Ben P.; Furness, Robert W. Condor; November 2001; v.103, no.4, p.802-809.

Sterna saundersi at Porbander coast, Gujarat. Parasharya, B. M.; Mukherjee, Aeshita. Journal of the Bombay Natural History Society; April 2001; v.98, no.1, p.113-114.

Steroid hormones and immune function: Experimental studies in wild and captive dark-eyed juncos (Junco hyemalis). Casto, Joseph M.; Nolan, Val, Jr.; Ketterson, Ellen D. American Naturalist; April 2001; v.157, no.4, p.408-420.

Stochastic population dynamics and time to extinction of a declining population of barn swallows. Engen, Steinar; Saether, Bernt-Erik; Moller, Anders Pape. Journal of Animal Ecology; September 2001; v.70, no.5, p.789-797.

Stomach contents of parental and young Pied Currawongs Strepera graculina. Fulton, Graham R.; Ford, Hugh A. Corella; December 2001; v.25, no.4, p.94-96.

Stopover behaviour and departure decision of northern wheatears, Oenanthe oenanthe, facing different onward non-stop flight distances. Dierschke, Volker; Delingat, Julia. Behavioral Ecology and Sociobiology; November 2001; v.50, no.6, p.535-545.

Stopover durations of three warbler species along their autumn migration route. Schaub, Michael; Jenni, Lukas. Oecologia (Berlin); July 2001; v.128, no.2, p.217-227.

Strategic environmental assessment of plans and programs: A methodology for estimating effects onbiodiversity. Diaz, Mario; Illera, Juan Carlos; Hedo, Dolores. Environmental Management; August 2001; v.28, no.2, p.267-279.

Strategies for the recovery of degraded ecosystems: Experiences from Latin America. Montagnini, Florencia. Interciencia; October 2001; v.26, no.10, p.498-513; 520; 523; 526-527.

Strategies to identify dangerous electricity pylons for birds. Manosa, Santi. Biodiversity and Conservation; November 2001; v.10, no.11, p.1997-2012.

"Strictly for the birds": Science, the military and the Smithsonian's Pacific Ocean Biological Survey Program, 1963-1970. MacLeod, Roy. Journal of the History of Biology; Summer 2001; v.34, no.2, p.315-352.

Strigiformes from the Neogene of Spain. Sanchez-Marco, Antonio. Ibis; April 2001; v.143, no.2, p.313-316.

Strong antiapostatic selection against novel rare aposematic prey. Lindstrom, Leena; Alatalo, Rauno V.; Lyytinen, Anne; Mappes, Johanna. Proceedings of the National Academy of Sciences of the United States of America; July 31 2001; v.98, no.16,p.9181-9184.

Structural organization of parallel information processing within the tectofugal visual system of the pigeon. Hellmann, Burkhard; Gunturkun, Onur. Journal of Comparative Neurology; January 1 2001; v.429, no.1, p.94-112.

Studies on the pathogenicity of Newcastle disease virus isolates in guinea fowl. Mishra, S.; Kataria, J. M.; Sah, R. L.; Verma, K. C.; Mishra, J. P. Tropical Animal Health and Production; July 2001; v.33, no.4, p.313-320.

Study on phylogenetic relationship between wild Japanese quails in the Weishan Lake area and domestic quails. Chang, G. B.; Chang, H.; Zhen, H. L.; Liu, X. P.; Sun, W.; Geng, R. Q.; Yu, Y. M.; Wang, S. C.; Geng, S. M.; Liu, X. L.; Qin, G. Q.; Shen, W.

Subnival foraging by a golden-crowned kinglet. James, Ross D. Ontario Birds; August 2001; v.19, no.2, p.84-86.

Subordinates explore but dominants profit: Resource competition in high Arctic barnacle goose flocks. Stahl, Julia; Tolsma, Peter H.; Loonen, Maarten J. J. E.; Drent, Rudolf H. Animal Behaviour; January 2001; v.61, no.1, p.257-264.

success. Purger, Jeno J. Ornis Fennica; 2001; v.78, no.1, p.13-21.

Successful bald eagle nesting and fledging on lower Yakima River, Washington. Livingston, M. F.; Hames, T. R. Northwest Science; Fall 2001; v.75, no.4, p.417-418.

Successful bigamy in the Great Grey Shrike Lanius e. excubitor. Probst, Remo. Ornis Fennica; 2001; v.78, no.2, p.93-96.

Successful breeding of very close relatives in the Wallcreeper Tichodroma muraria. Saniga, Miroslav. Vogelwelt; 2001; v.122, no.2, p.101-103.

Successive clutches and parental roles in waders: The importance of timing in multiple clutch systems. Blomqvist, Donald; Wallander, Johan; Andersson, Malte.

Sudden death of a bearded vulture (Gypaetus barbatus) possibly caused by Newcastle disease virus. Lublin, A.; Mechani, S.; Siman-Tov, Y.; Weisman, Y.; Horowitz, H. I.; Hatzofe, O. Avian Diseases; July-September 2001; v.45, no.3, p.741-744.

Suicidal ravens? Weiman, David. Blue Jay; December 2001; v.59, no.4, p.208-209.

Summer food habits of Harlequin Ducks in eastern North America. Robert, Michel; Cloutier, Louise. Wilson Bulletin; March 2001; v.113, no.1, p.78-84.

Summering and breeding records of Bonaparte's Gull near Biggar, SK. Renaud, Wayne E.; Wapple, Robert A. Blue Jay; March 2001; v.59, no.1, p.29-33.

Superordinate categorization via learned stimulus equivalence: Quantity of reinforcement, hedonic value, and the nature of the mediator. Astley, Suzette L.; Peissig, Jessie J.; Wasserman, Edward A. Journal of Experimental Psychology Animal Behavior Processes; July 2001; v.27, no.3, p.252-268.

Surprise attack. Dunville, Nellie Blue Jay; December 2001; v.59, no.4, p.209-210.

Survey methods for red-legged partridge (Alectoris rufa) in olive groves in Southern Spain. Duarte, J.; Vargas, J. M. Game & Wildlife Science; June 2001; v.18, no.2, p.141-156.

Survey of Bookham Common: Fifty-ninth year progress report for 2000. Barclay, Maxwell; Menzies, Ian; Page, Ken; Prowse, Alan D.; Swinney, Ian F.; Willmott, Ken J. London Naturalist; December 2001; no.80, p.181-192.

Survey of lead in feathers of Anatidaes from the Pabellon inlet, Sinaloa, Mexico. Rendon-von Osten, J.; Galan, F. E.; Tejeda, C. Bulletin of Environmental Contamination and Toxicology; August 2001; v.67, no.2, p.276-281.

Surveys of the Barking Owl and Masked Owl on the North-west Slopes of New South Wales. Debus, S. J. S. Corella; March 2001; v.25, no.1, p.5-11.

Survival analysis of Little Penguin Eudyptula minor chicks on Motuara Island, New Zealand. Renner, Martin; Davis, Lloyd S. Ibis; July 2001; v.143, no.3, p.369-379.

Survival and reproductive success of stitchbird (hihi, Notiomystis cincta) suffering from a bill abnormality (oral fistula). Castro, Isabel; Taylor, Jason. Notornis; December 2001; v.48, no.4, p.241-244.

Survival of avian carcasses and photographic evidence of predators and scavengers. Kostecke, Richard M.; Linz, George M.; Bleier, William J. Journal of Field Ornithology; Summer 2001; v.72, no.3, p.439-447.

Survival of extrapair and within-pair young in tree swallows. Whittingham, Linda A.; Dunn, Peter O. Behavioral Ecology; July-Aug. 2001; v.12, no.4, p.496-500.

Survival of female wood ducks during brood rearing in Alabama and Mississippi. Davis, J. Brian; Kaminski, Richard M.; Leopold, Bruce D.; Cox, Robert R., Jr. Journal of Wildlife Management; October 2001; v.65, no.4, p.738-744.

Survival of juvenile Greater Snow Geese immediately after banding. Menu, Stephane; Gauthier, Gilles; Reed, Austin. Journal of Field Ornithology; Spring 2001; v.72, no.2, p.282-290.

Survival of little spotted kiwi exposed to the rodenticide brodifacoum. Robertson, Hugh A.; Colbourne, Rogan M. Journal of Wildlife Management; January 2001; v.65, no.1, p.29-34.

Survival of red-capped robins (Petroica goodenovii) in woodland remnants of central western New South Wales, Australia. Major, Richard E.; Gowing, Greg. Wildlife Research; 2001; v.28, no.6, p.565-571.

Survival of ruffed grouse chicks in northern Michigan. Larson, Michael A.; Clark, Margaret E.; Winterstein, Scott R. Journal of Wildlife Management; October 2001; v.65, no.4, p.880-886.

Survival, ranging, habitat choice and diet of the Northern Goshawk Accipiter gentilis during winter in Northern Finland. Tornberg, Risto; Colpaert, Alfred. Ibis; January 2001; v.143, no.1, p.41-50.

Survivorship of Pileated Woodpeckers in northeastern Oregon. Bull, Evelyn L. Journal of Field Ornithology; Winter 2001; v.72, no.1, p.131-135.

Susceptibility to oxidative stress in Adelie and emperor penguin. Corsolini, S.; Nigro, M.; Olmastroni, S.; Focardi, S.; Regoli, F. Polar. Biology; May 2001; v.24, no.5, p.365-368.

Susceptibility to spontaneous atherosclerosis in pigeons: An autosomal recessive trait. Smith, S. C.; Smith, E. C.; Taylor, R. L., Jr. Journal of Heredity; September-October 2001; v.92, no.5, p.439-442.

Sustaining genetic variation in a small population: Evidence from the Mauritius kestrel. Nichols, Richard A.; Bruford, Michael W.; Groombridge, Jim J. Molecular Ecology; March 2001; v.10, no.3, p.593-602.

Swainson's Hawks over the Souris Valley. Bailey, Martin Blue Jay; December 2001; v.59, no.4, p.207-208.

Swiss Alps. Fournier, Jerome; Arlettaz, Raphael. Ibis; January 2001; v.143, no.1, p.2-10.

Switching to a feeding method that obstructs vision increases head-up vigilance in dabbling ducks. Guillemain, Matthieu; Duncan, Patrick; Fritz, Herve. Journal of Avian Biology; December 2001; v.32, no.4, p.345-350.

Symbiotic feather mites synchronize dispersal and population growth with host sociality and migratory disposition. Blanco, Guillermo; Frias, Oscar. Ecography; April 2001; v.24, no.2, p.113-120.

Symes, Craig T.; Downs, Colleen T. Durban Museum Novitates; 2001; no.26, p.20-24.

Synchronous and delayed numerical responses of a predatory bird community to a vole outbreak on the Canadian prairies. Poulin, Ray G.; Wellicome, Troy I.; Todd, L. Danielle. Journal of Raptor Research; December 2001; v.35, no.4, p.288-295.

Synergistic effects of subsistence hunting and habitat fragmentation on Amazonian forest vertebrates. Peres, Carlos A. Conservation Biology; December 2001; v.15, no.6, p.1490-1505.

Synoptic tinkering: Integrating strategies for large-scale conservation. Dobson, Andrew P.; Rodriguez, Jon Paul; Roberts, W. Mark. Ecological Applications; August 2001; v.11, no.4, p.1019-1026.

Systematic notes on Asian birds. 10. The "Nouveau recueil de planches coloriees" of Temminck & Laugier (1820-1839): The little known impression of 1850. Sayako, Norinomiya; Dickinson, E. C. Zoologische Verhandelingen (Leiden); December 2001; no.335, p.55-60.

Systematic notes on Asian birds. 11. A preliminary review of the Alaudidae. Dickinson, E. C.; Dekker, R. W. R. J. Zoologische Verhandelingen (Leiden); December 2001; no.335, p.61-84.

Systematic notes on Asian birds. 12. Types of the Alaudidae. Dickinson, E. C.; Dekker, R. W. R. J.; Eck, S.; Somadikarta, S.; Kalyakin, M.; Loskot, V.; Morioka, H.; Violani, C.; Voisin, C.; Voisin, J.-F. Zoologische Verhandelingen (Leiden); December 2001; no.335, p.85-126.

Systematic notes on Asian birds. 13. A preliminary review of the Hirundinidae. Dickinson, E. C.; Dekker, R. W. R. J. Zoologische Verhandelingen (Leiden); December 2001; no.335, p.127-144.

Systematic notes on Asian birds. 14. Types of the Hirundinidae. Dickinson, E. C.; Dekker, R. W. R. J.; Eck, S.; Somadikarta, S.; Kalyakin, M.; Loskot, V.; Morioka, H.; Violani, C.; Voisin, C.; Voisin, J.-F. Zoologische Verhandelingen (Leiden); December 2001; no.335, p.145-166.

Systematic notes on Asian birds. 15. Nomenclatural issues concerning the common sand martin Riparia riparia (Linnaeus, 1758) and the pale sand martin R. diluta (Sharpe & Wyatt, 1893), with a new synonymy. Loskot, V. M.; Dickinson, E. C. Zoologische Verhandelingen (Leiden); December 2001; no.335, p.167-174.

Systematic notes on Asian birds. 16. The type of Pitta baudii Muller & Schlegel, 1839 (Pittidae). Dekker, R. W. R. J.; Dickinson, E. C. Zoologische Verhandelingen (Leiden); December 2001; no.335, p.175-182.

Systematic notes on Asian birds. 17. Types of birds collected in Yunnan by George Forrest and described by Walter Rothschild. LeCroy, M.; Dickinson, E. C. Zoologische Verhandelingen (Leiden); December 2001; no.335, p.183-198.

Systematic notes on Asian birds. 18. Some nomenclatural issues relating to Japanese taxa described in the Planches Coloriees (1820-1839) and Fauna Japonica, Aves (1844-1850). Dekker, R. W. R. J.; Dickinson, E. C.; Morioka, Hiroyuki. Zoologische Verhandelingen (Leiden); December 2001; no.335, p.199-214.

Systematic notes on Asian birds. 19. Type material from Japan in The Natural History Museum, Tring, U.K. Dickinson, E. C.; Morioka, Hiroyuki; Walters, M. Zoologische Verhandelingen (Leiden); December 2001; no.335, p.215-228.

Systematic notes on Asian birds. 20. Recent additions to the list of type specimens of birds collected by Walter Koelz in the

Systematic notes on Asian birds. 21. Babbler jungle: A re-evaluation of the 'pyrrogenys' group of Asian pellorneines (Timaliidae). Wells, D. R.; Andrew, P.; van den Berg, A. B. Zoologische Verhandelingen (Leiden); December 2001; no.335, p.235-252.

Systematic notes on Asian birds. 9. The "Nouveau recueil de planches coloriees" of Temminck & Laugier (1820-1839). Dickinson, E. C. Zoologische Verhandelingen (Leiden); December 2001; no.335, p.7-54.

Systemic aspergillosis in an oiled Magallanic penguin (Spheniscus magellanicus). Carrasco, L.; Lima Junior, J. S.; Halfen, D. C.; Salguero, F. J.; Sanchez-Cordon, P.; Becker, G. Journal of Veterinary Medicine Series B; September 2001; v.48, no.7, p.551-554.

Systems identification and the adaptive management of waterfowl in the United States. Williams, Byron K.; Nichols, James D. Wildlife Biology; September 2001; v.7, no.3, p.223-236.

Tannins in Puccinellia arctica: Possible deterrents to herbivory by Canada geese. Volz, Trent J.; Clausen, Thomas P. Journal of Chemical Ecology; April 2001; v.27, no.4, p.725-732.

Tannins: A dietary problem for hand-reared grey partridge Perdix perdix after release? iukkonen-Anttila, Tuija; Kentala, Airi; Hissa, Raimo. Comparative Biochemistry and Physiology Part C Toxicology & Pharmacology; October 2001; v.130C, no.2, p.237-248.

Tannins: A dietary problem for hand-reared grey partridge Perdix perdix after release? Liukkonen-Anttila, Tuija; Kentala, Airi; Hissa, Raimo. Comparative Biochemistry and Physiology Part C Toxicology & Pharmacology; October 2001; v.130C, no.2, p.237-248.

Tarsus length as a sex determinant in the Superb Lyrebird Menura novaehollandiae. Rose, A. B. Corella; March 2001; v.25, no.1, p.18-20.

Taxon sampling and the phylogenetic position of Passeriformes: Evidence from 916 avian cytochrome b sequences. Johnson, Kevin P. Systematic Biology; February 2001; v.50, no.1, p.128-136.

Taxonomic distinctness and species richness as measures of functional structure in bird assemblages. von Euler, Fredrik; Svensson, Soren. Oecologia (Berlin); October 2001; v.129, no.2, p.304-311.

Teenage love: The importance of trial liaisons, subadult plumage and early pairing in barnacle geese. van der Jeugd, Henk P.; Blaakmeer, Karen B. Animal Behaviour; December 2001; v.62, no.6, p.1075-1083.

Temperate terrestrial vertebrate faunas in North and South America: Interplay of ecology, evolution, and geography with biodiversity. Barnosky, Anthony D.; Hadly, Elizabeth A.; Maurer, Brian A.; Christie, Michael I. Conservation Biology; June 2001; v.15, no.3, p.658-674.

Temperature and heart rate as stress indicators of handled common eider. Cabanac, A. J.; Guillemette, M. Physiology & Behavior; November-December 2001; v.74, no.4-5, p.475-479.

Temperature regulation in emperor penguins foraging under sea ice. Ponganis, P. J.; Van Dam, R. P.; Knower, T.; Levenson, D. H. Comparative Biochemistry and Physiology Part A Molecular & Integrative Physiology; July 2001; v.129A, no.4, p.811-820.

Temperature regulation in mounds of three sympatric species of megapode (Aves: Megapodiidae) in Papua New Guinea: Testing

Temperature regulation in mounds of three sympatric species of megapode (Aves: Megapodiidae) in Papua New Guinea: Testing the 'Seymour Model'. Sinclair, J. Ross. Australian Journal of Zoology; 2001; v.49, no.6, p.675-694.

Temporal and spatial variations in darkling beetle predation by kestrels and other raptors in a Mediterranean urban area. Fattorini, Simone. Biologia (Bratislava); April 2001; v.56, no.2, p.165-170.

Temporal patterns of bird abundance in cornfield edges during the breeding season. Best, Louis B. American Midland Naturalist; July 2001; v.146, no.1, p.94-104.

Temporal patterns of parental resource distribution in the red-necked grebe: Equalizing the share of the survivors. Kloskowski, Janusz. Behaviour; December 2001; v.138, no.11-12, p.1355-1370.

Temporal patterns of predation of duck nests in the Canadian prairies. Lariviere, Serge; Messier, Francois. American Midland Naturalist; October 2001; v.146, no.2, p.339-344.

Temporal patterns of predation of duck nests in the Canadian prairies. Lariviere, Serge; Messier, Francois. American Midland Naturalist; October 2001; v.146, no.2, p.339-344.

Temporal precision and temporal drift in brain and behavior of zebra finch song. Chi, Zhiyi; Margoliash, Daniel. Neuron; December 6 2001; v.32, no.5, p.899-910.

Temporal stability in the individual features in the calls of eagle owls (Bubo bubo). Lengagne, Thierry. Behaviour; December 2001; v.138, no.11-12, p.1407-1419.

Territorial movements of Black-throated Blue Warblers in a landscape fragmented by forestry. Harris, Rebecca J.; Reed, J. Michael. Auk; April 2001; v.118, no.2, p.544-549.

Territorial signalling: A new hypothesis to explain frequent copulation in raptorial birds. Negro, J. J.; Grande, J. M. Animal Behaviour; October 2001; v.62, no.4, p.803-809.

Territoriality and mate guarding in the orange-tufted sunbird (Nectarinia osea). Zilberman, Ronit; Moav, Boaz; Yom-Tov, Yoram. Israel Journal of Zoology; 2001; v.47, no.3, p.275-286.

Territory and nest-site selection of Cerulean Warblers in eastern Ontario. Jones, Jason; Robertson, Raleigh J. Auk; July 2001; v.118, no.3, p.727-735.

Territory density of the Skylark (Alauda arvensis) in relation to field vegetation in central Germany. Toepfer, Stefan; Stubbe, Michael. Journal fuer Ornithologie; April 2001; v.142, no.2, p.184-194.

Territory selection by the Dartford warbler (Sylvia undata) in Dorset, England: The role of vegetation type, habitat fragmentation and population size. van den Berg, Leon J. L.; Bullock, James. M.; Clarke, Ralph T.; Langston, Rowena H. W.; Rose, Rob J. Biological Conservation; October 2001; v.101, no.2, p.217-228.

Territory size and polygyny in the spotless starling: Resource-holding potential or social inertia? Veiga, Jose P.; Moreno, Juan; Cordero, Pedro J.; Minguez, Eduardo. Canadian Journal of Zoology; November 2001; v.79, no.11, p.1951-1956.

Testing a simple stochastic model for the dynamics of waterfowl aggregations. Silverman, Emily D.; Kot, Mark; Thompson, Elizabeth. Oecologia (Berlin); August 2001; v.128, no.4, p.608-617.

Testing for food limitation in reintroduced Hihi populations: Contrasting results for two islands. Armstrong, Doug P.; Ewen, John G. Pacific Conservation Biology; September 2001; v.7, no.2, p.87-92.

Testing hypotheses about management to enhance habitat for feeding birds in a freshwater wetland. Lindegarth, M.; Chapman, M. G. Journal of Environmental Management; August 2001; v.62, no.4, p.375-388.

Testosterone and sexual signalling in male house sparrows (Passer domesticus). Gonzalez, Guillermo; Sorci, Gabriele; Smith, Linda C.; de Lope, Florentino. Behavioral Ecology and Sociobiology; November 2001; v.50, no.6, p.557-562.

Testosterone influences basal metabolic rate in male house sparrows: A new cost of dominance signalling? Buchanan, Katherine L.; Evans, Matthew R.; Goldsmith, Arthur R.; Bryant, David M.; Rowe, Louise V. Proceedings of the Royal Society Biological Sciences Series B; 7 July 2001; v.268, no.1474, p.1337-1344.

Testosterone regulates alpha-synuclein mRNA in the avian song system. Hartman, V. N.; Miller, M. A.; Clayton, D. F.; Liu, W.-C.; Kroodsma, D. E.; Brenowitz, E. A. Neuroreport; 17 April 2001; v.12, no.5, p.943-946.

Testosterone treatment increases the metabolic capacity of adult avian song control nuclei. Wennstrom, Kira L.; Reeves, Brendan J.; Brenowitz, Eliot A. Journal of Neurobiology; September 15 2001; v.48, no.4, p.256-264.

Tests for cognitive mapping in Clark's nutcrackers (Nucifraga columbiana). Gibson, Brett M.; Kamil, Alan C. Journal of Comparative Psychology; December 2001; v.115, no.4, p.403-417.

Tetrameres (Tetrameres) megaphasmidiata n. sp. (Nematoda: Tetrameridae), a parasite of the two-banded plover, Charadrius falklandicus, and white-rumped sandpiper, Calidris fuscicollis, from Patagonia, Argentina. Cremonte, Florencia; Digiani, M. Celina; Bala, Luis O.; Navone, Graciela T. Journal of Parasitology; February 2001; v.87, no.1, p.148-151.

Tetranucleotide microsatellite markers for the Brown-headed Cowbird Molothrus ater. Longmire, J. L.; Roach, J. L.; Maltbie, M.; White, P. S.; Tatum, O. L.; Makova, K. D. Journal of Avian Biology; March 2001; v.32, no.1, p.76-78.

The "edge effect on nest predation" hypothesis after twenty years. Lahti, D. C. Biological Conservation; June 2001; v.99, no.3, p.365-374.

The "predator early warning system" of Red-winged Blackbirds. Burton, Nicole; Yasukawa, Ken. Journal of Field Ornithology; Winter 2001; v.72, no.1, p.106-112.

The abundance of the Eared (Black-necked) Grebe as a recent phenomenon. Jehl, Joseph R., Jr. Waterbirds; August 2001; v.24, no.2, p.245-249.

The adaptive value of preference for immediacy: When shortsighted rules have farsighted consequences. Stephens, David W.; Anderson, Dack Behavioral Ecology; May-June 2001; v.12, no.3, p.330-339.

The adaptive value of preference for immediacy: When shortsighted rules have farsighted consequences. Stephens, David W.; Anderson, Dack. Behavioral Ecology; May-June 2001; v.12, no.3, p.330-339.

The annual and diel cycles of Goshawk vocalizations at nest sites. Penteriani, Vincenzo. Journal of Raptor Research; March 2001; v.35, no.1, p.24-30.

The annual testosterone profile in cooperatively breeding superb fairy-wrens, Malurus cyaneus, reflects their extreme infidelity. Peters, Anne; Astheimer, Lee B.; Cockburn, Andrew. Behavioral Ecology and Sociobiology; November 2001; v.50, no.6, p.519-527.

The avian embryo: A developmental research tool. Vorster, Willie; Lizamore, David J. Netherlands Journal of Zoology; June 2001; v.51, no.2, p.135-153.

The avian tail reduces body parasite drag by controlling flow separation and vortex shedding. Maybury, W. J.; Rayner, J. M. V. Proceedings of the Royal Society Biological Sciences Series B; 7 July 2001; v.268, no.1474, p.1405-1410.

The avifauna of riparian-Pinus habitat edges at Mooiplaas forestry estate, KwaZulu-Natal, South Africa. Malan, G. South African Journal of Wildlife Research; 2001; v.31, no.3-4, p.73-84.

The balancing act/legal protection for rats, mice and birds. Leary, Steven L. Comparative Medicine (Memphis); August 2001; v.51, no.4, p.291.

The barheaded goose Anser indicus Latham in Bhavnagar, Saurashtra. Gadhvi, I. R. Journal of the Bombay Natural History Society; April 2001; v.98, no.1, p.106.

The Barn Owl comes to Alberta...finally. Takats, Lisa; Court, Gordon. Blue Jay; September 2001; v.59, no.3, p.122-125.

The behavior and interactions of birds visiting Erythrina fusca flowers in the Colombian Amazon. Cotton, Peter A. Biotropica; December 2001; v.33, no.4, p.662-669.

The benefits of extensive agriculture to birds: The case of the little bustard. Wolff, Axel; Paul, Jean-Philippe; Martin, Jean-Louis; Bretagnolle, Vincent. Journal of Applied Ecology; October 2001; v.38, no.5, p.963-975.

The bias of complementarity hotspots toward marginal populations. Araujo, Miguel B.; Williams, Paul H. Conservation Biology; December 2001; v.15, no.6, p.1710-1720.

The birds of Ile-a-Vache, Haiti. Brooks, Thomas; Davalos, Liliana M. Caribbean Journal of Science; May 2001; v.37, no.1-2, p.112-115.

The birds of Kurrawang Nature Reserve: Observations of avifaunal change in the eastern goldfields of Western Australia. Chapman, Andrew; Kealley, Ian. CALMScience; May 2001; v.3, no.4, p.513-520.

The birds of the inner thames: An avian highway. Dennis, M. K. London Naturalist; December 2001; no.80, p.131-133.

The BPY Montagu's Harrier. Prytherch, Robin. British Birds; January 2001; v.94, no.1, p.44.

The breeding biology of Black-billed Parrot Amazona agilis and Yellow-billed Parrot Amazona collaria in Cockpit Country, Jamaica. Koenig, Susan E. Bird Conservation International; September 2001; v.11, no.3, p.205-225.

The breeding biology of Black-billed Parrot Amazona agilis and Yellow-billed Parrot Amazona collaria in Cockpit Country, Jamaica. Koenig, Susan E. Bird Conservation International; September 2001; v.11, no.3, p.205-225.

The breeding biology of the Mangrove Gerygone, Gerygone laevigaster, in the Darwin region, with notes on brood parasitism by the

The breeding ecology of the Greenfinch Carduelis chloris in urban conditions (study in Krotoszyn, W Poland). Kosinski, Ziemowit. Acta Ornithologica (Warsaw); Winter 2001; v.36, no.2, p.111-121.

The breeding performance of the common buzzard Buteo buteo and Goshawk Accipiter gentilis in Central Poland. Goszczynski, Jacek. Acta Ornithologica (Warsaw); Winter 2001; v.36, no.2, p.105-110.

The breeding status of the American Oystercatcher on the east coast of North America and breeding success in North Carolina. Davis, Melissa B.; Simons, Theodore R.; Groom, Martha J.; Weaver, Jerald L.; Cordes, Jeff R. Waterbirds; August 2001; v.24, no.2, p.195-202.

The buffer effect and large-scale population regulation in migratory birds. Gill, Jennifer A.; Norris, Ken; Potts, Peter M.; Gunnarsson, Tomas Gretar; Atkinson, Philip W.; Sutherland, William J. Nature (London); 26 July 2001; v.412, no.6845, p.436-438.

The buffer effect and large-scale population regulation in migratory birds. Gill, Jennifer A.; Norris, Ken; Potts, Peter M.; Gunnarsson, Tomas Gretar; Atkinson, Philip W.; Sutherland, William J. Nature (London); 26 July 2001; v.412, no.6845, p.436-438.

The Bufflehead in Britain: A review. Knox, Alan G. British Birds; February 2001; v.94, no.2, p.61-73.

The characterization of microsatellite loci in the communally breeding smooth-billed ani (Crotophaga ani). Blanchard, L.; Quinn, J. S. Molecular Ecology Notes; September 2001; v.1, no.3, p.152-154.

The Chatham Islands pigeon (Parea) deserves full species status; Hemiphaga chathamensis (Rothschild 1891); Aves:

The chemical structure of the pigments in Ara macao plumage. Stradi, R.; Pini, E.; Celentano, G. Comparative Biochemistry and Physiology Part B Biochemistry & Molecular Biology; August 2001; v.130B, no.1, p.57-63.

The complete sequence of the mitochondrial genome of Buteo buteo (Aves, Accipitridae) indicates an early split in the phylogeny of raptors. Haring, Elisabeth; Kruckenhauser, Luise; Gamauf, Anita; Riesing, Martin J.; Pinsker, Wilhelm. Molecular Biology and Evolution; October 2001; v.18, no.10, p.1892-1904.

The concepts and terminology of bird navigation. Able, Kenneth P. Journal of Avian Biology; June 2001; v.32, no.2, p.174-183.

The conservation status of raptors in the Metropolitan Region, Chile. Jaksic, Fabian M.; Pavez, Eduardo F.; Jimenez, Jaime E.; Torres-Mura, Juan C. Journal of Raptor Research; June 2001; v.35, no.2, p.151-158.

The conservation status of raptors in the Metropolitan Region, Chile. Jaksic, Fabian M.; Pavez, Eduardo F.; Jimenez, Jaime E.; Torres-Mura, Juan C. Journal of Raptor Research; June 2001; v.35, no.2, p.151-158.

The contrasting status of the Ring Ouzel in 2 areas of upper Deeside, north east Scotland between 1991 and 1998. Rebecca, Graham W. Scottish Birds; June 2001; v.22, no.1, p.9-19.

The correct name of the Iberian Chiffchaff Phylloscopus ibericus Ticehurst 1937, its identification and new evidence of its

The correct scientific name of the Palawan Peacock-pheasant is Polyplectron napoleonis Lesson, 1831. Dickinson, Edward C. Bulletin of the British Ornithologists' Club; December 2001; v.121, no.4, p.266-272.

The correct scientific name of the White-bellied Heron. Walters, Michael. Bulletin of the British Ornithologists' Club; December 2001; v.121, no.4, p.234-236.

The cost of egg production: Increased egg production reduces future fitness in gulls. Nager, Ruedi G.; Monaghan, Pat; Houston, David C. Journal of Avian Biology; June 2001; v.32, no.2, p.159-166.

The costs of egg production and incubation in great tits (Parus major). Visser, M. E.; Lessells, C. M. Proceedings of the Royal Society Biological Sciences Series B; 22 June 2001; v.268, no.1473, p.1271-1277.

The Curacao Barn Owl: Status and diet, 1987-1989. Debrot, Adolphe O.; de Freitas, John A.; Brouwer, Alewijn; Kooy, Marten van Marwijk. Caribbean Journal of Science; December 2001; v.37, no.3-4, p.185-193.

The cytoarchitecture of the nucleus angularis of the bark owl (Tyto alba). Soares, Daphne; Carr, Catherine E. Journal of Comparative Neurology; January 8 2001; v.429, no.2, p.192-205.

The dawn song of the blue tit Parus caeruleus and its role in sexual selection. Poesel, Angelika; Foerster, Katharina; Kempenaers, Bart. Ethology; June 2001; v.107, no.6, p.521-531.

The decline of the Bullfinch Pyrrhula pyrrhula in Britain: Is the mechanism known? Siriwardena, Gavin M.; Freeman, Stephen N.; Crick, Humphrey Q. P. Acta Ornithologica (Warsaw); Winter 2001; v.36, no.2, p.143-152.

The demography and cooperative breeding behaviour of the rufous treecreeper, Climacteris rufa. Luck, Gary W. Australian Journal of Zoology; 2001; v.49, no.5, p.515-537.

The depletion of algal beds by geese: A predictive model and test. Rowcliffe, J. M.; Watkinson, A. R.; Sutherland, W. J.; Vickery, J. A. Oecologia (Berlin); May 2001; v.127, no.3, p.361-371.

The descended larynx is not uniquely human. Fitch, W. Tecumseh; Reby, David. Proceedings of the Royal Society Biological Sciences Series B; 22 August 2001; v.268, no.1477, p.1669-1675.

The development of diving in marine endotherms: Preparing the skeletal muscles of dolphins, penguins, and seals for activity during submergence. Noren, S. R.; Williams, T. M.; Pabst, D. A.; McLellan, W. A.; Dearolf, J. L. Journal of Comparative Physiology B Biochemical Systemic and Environmental Physiology; March2001; v.171, no.2, p.127-134.

The development of microsatellite loci in the song sparrow, Melospiza melodia (Aves) and genotyping errors associated with

The diet of Bar-tailed Godwits Limosa lapponica in the Wadden Sea: Combining visual observations and faeces analyses. Scheiffarth, Gregor. Ardea; 2001; v.89, no.3, p.481-494.

The diet of shy albatrosses (Thalassarche cauta) at Albatross Island, Tasmania. Hedd, April; Gales, Rosemary. Journal of Zoology (London); January 2001; v.253, no.1, p.69-90.

The diet of young Golden Eagles Aquila chrysaetos in Corsica: Foraging in a man-made mammal fauna. Seguin, Jean-Francois; Thibault, Jean-Claude; Torre, Jose; Bayle, Patrick; Vigne, Jean-Denis. Ardea; 2001; v.89, no.3, p.527-535.

The diet of young Golden Eagles Aquila chrysaetos in Corsica: Foraging in a man-made mammal fauna. Seguin, Jean-Francois; Thibault, Jean-Claude; Torre, Jose; Bayle, Patrick; Vigne, Jean-Denis. Ardea; 2001; v.89, no.3, p.527-535.

The directory of Australian birds. Passerines. Gill, B. J. Notornis; December 2001; v.48, no.4, p.245-246.

The disposition of marbofloxacin in Eurasian buzzards (Buteo buteo) after intravenous administration. Garcia-Montijano, M.; Waxman, S.; Sanchez, C.; Quetglas, J.; San Andres, M. I.; Gonzalez, F.; Rodriguez, C. Journal of Veterinary Pharmacology and Therapeutics; April 2001; v.24, no.2, p.155-157.

The distribution and abundance of Little Penguins at sea in Western Port, Victoria. Dann, Peter; Jessop, Ros; Healy, Marg. Victorian Naturalist (Blackburn); June 2001; v.118, no.3, p.76-81.

The distribution and ecology of the Rufous Bristlebird (Dasyornis broadbenti) at Aireys Inlet, Victoria. Wilson, B. A.; Aberton, J. G.; Reilly, P. N.; Macdonald, M. Emu; 2001; v.101, no.4, p.341-347.

The distribution and status of Sichuan Grey Jay (Perisoreus internigrans). Sun Yue-Hua; Jia Chen-Xi; Fang Yun. Journal fuer Ornithologie; Januar 2001; v.142, no.1, p.93-98.

The distribution of Crested Tits in Scotland during the 1990s. Summers, Ron; Canham, Mick. Scottish Birds; June 2001; v.22, no.1, p.20-27.

The distribution of extra-pair young within and among broods: A technique to calculate deviations from randomness. Neuhaeuser, Markus; Forstmeier, Wolfgang; Bretz, Frank. Journal of Avian Biology; December 2001; v.32, no.4, p.358-363.

The distribution of integumentary structures in a feathered dinosaur. Ji, Qiang; Norell, Mark A.; Gao, Ke-Qin; Ji, Shu-An; Ren, Dong. Nature (London); 26 April 2001; v.410, no.6832, p.1084-1088.

The distribution of substance P and neuropeptide Y in four songbird species: A comparison of food-storing and non-storing birds. Gould, Kristy L.; Newman, Sarah W.; Tricomi, Elizabeth M.; DeVoogd, Timothy J. Brain Research; 9 November 2001; v.918, no.1-2, p.80-95.

The dynamics of a colonization event in the European Shag: The roles of immigration and demographic stochasticity. Martinez-Abrain, Alejandro; Oro, Daniel; Jimenez, Juan. Waterbirds; April 2001; v.24, no.1, p.97-102.

The dynamics of avicultural markets. Robinson, Jennifer M. Environmental Conservation; March 2001; v.28, no.1, p.76-85.

The earliest fossil record of a modern-type piciform bird from the late Oligocene of Germany. Mayr, Gerald. Journal fuer Ornithologie; Januar 2001; v.142, no.1, p.2-6.

The ecological consequences of social wasps (Vespula spp.) invading an ecosystem that has an abundant carbohydrate resource. Beggs, J. Biological Conservation; May 2001; v.99, no.1, p.17-28.

The effect of 50 years of landscape change on species richness and community composition. Parody, Jennifer M.; Cuthbert, Francesca J.; Decker, Ethan H. Global Ecology and Biogeography; May 2001; v.10, no.3, p.305-313.

The effect of breeding-habitat patch size on bird population density. Estades, Cristian F. Landscape Ecology; February 2001; v.16, no.2, p.161-173.

The effect of dairy farming on barn swallow Hirundo rustica abundance, distribution and reproduction. Moller, Anders Pape Journal of Applied Ecology; April 2001; v.38, no.2, p.378-389.

The effect of deceptive fruits on predispersal seed predation by birds in Pistacia lentiscus. Verdu, Miguel; Garcia-Fayos, Patricio. Plant Ecology; October 2001; v.156, no.2, p.245-248.

The effect of distinctive parts on recognition of depth-rotated objects by pigeons (Columba livia) and humans. Spetch, Marcia L.; Friedman, Alinda; Reid, Sheri L. Journal of Experimental Psychology General; June 2001; v.130, no.2, p.238-255.

The effect of dominance on food hoarding: A game theoretical model. Brodin, Anders; Lundborg, Ken; Clark, Colin W. American Naturalist; January 2001; v.157, no.1, p.66-75.

The effect of fledging mass on the lives of Great Tits Parus major. Perrins, C. M.; McCleery, R. H. Ardea; 2001; v.89, no.1 Special Issue, p.135-142.

The effect of habitat type and seasonal conditions on fauna in two areas of the Tanami Desert. Paltridge, Rachel; Southgate, Richard. Wildlife Research; 2001; v.28, no.3, p.247-260.

The effect of handling time on interference among house sparrows foraging at different seed densities. Johnson, Cheryl A.; Giraldeau, Luc-Alain; Grant, James W. A. Behaviour; May 2001; v.138, no.5, p.597-614.

The effect of handling time on interference among house sparrows foraging at different seed densities. Johnson, Cheryl A.; Giraldeau, Luc-Alain; Grant, James W. A. Behaviour; May 2001; v.138, no.5, p.597-614.

The effect of human disturbance and flock composition on the flight distances of waterfowl species. Mori, Yoshihisa; Sodhi, Navjot S.; Kawanishi, Seiichi; Yamagishi, Satoshi. Journal of Ethology; 2001; v.19, no.2, p.115-119.

The effect of human disturbance and flock composition on the flight distances of waterfowl species. Mori, Yoshihisa; Sodhi, Navjot S.; Kawanishi, Seiichi; Yamagishi, Satoshi. Journal of Ethology; 2001; v.19, no.2, p.115-119.

The effect of jetboat wake on braided riverbed birds on the Dart River. McKinlay, Bruce; Smale, Amanda. Notornis; June 2001; v.48, no.2, p.72-75.

The effect of lead exposure on survival of adult mallards in the Camargue, southern France. Tavecchia, Giacomo; Pradel, Roger; Lebreton, Jean-Dominique; Johnson, Alan R.; Mondain-Monval, Jean-Yves. Journal of Applied Ecology; December 2001; v.38, no.6, p.1197-1207.

The effect of management for red grouse shooting on the population density of breeding birds on heather-dominated moorland. Tharme, A. P.; Green, R. E.; Baines, D.; Bainbridge, I. P.; O'Brien, M. Journal of Applied Ecology; April 2001; v.38, no.2, p.439-457.

The effect of mate choice on speciation in snow petrels. Jouventin, Pierre; Bried, Joel. Animal Behaviour; July 2001; v.62, no.1, p.123-132.

The effect of siblings on nest site homing by Common Tern chicks: A benefit of kin recognition. Palestis, Brian G.; Burger, Joanna. Waterbirds; August 2001; v.24, no.2, p.175-181.

The effect of stocking density on the welfare and behaviour of broiler chickens reared commercially. Hall, A. L. Animal Welfare; February 2001; v.10, no.1, p.23-40.

The effect of visibility on space use by territorial red-capped cardinals. Eason, Perri K.; Stamps, Judy A. Behaviour; January 2001; v.138, no.1, p.19-30.

The effect of weather and density-dependence on Oystercatcher Haematopus ostralegus winter mortality. Durell, Sarah E. A. Le V. Dit; Goss-Custard, John D.; Stillman, Richard A.; West, Andrew D. Ibis; July 2001; v.143, no.3, p.498-499.

The effectiveness of mate guarding by male black-throated blue warblers. Chuang-Dobbs, Helen C.; Webster, Michael S.; Holmes, Richard T. Behavioral Ecology; Sep.-Oct. 2001; v.12, no.5, p.541-546.

The effects of a single long photoperiod on induction and dissipation of reproductive photorefractoriness in European starlings. Dawson, Alistair. General and Comparative Endocrinology; March 2001; v.121, no.3, p.316-324.

The effects of agriculture and the availability of edge habitat on populations of Helmeted Guineafowl Numida meleagris and on the diversity and composition of associated bird assemblages in KwaZulu-Natal province, South Africa. Ratcliffe, C. S.; Crowe, T. M. Biodiversity and Conservation; December 2001; v.10, no.12, p.2109-2127.

The effects of apomorphine and haloperidol on memory consolidation in the day-old chick. Hale, Matthew W.; Crowe, Simon F. Behavioral Neuroscience; April 2001; v.115, no.2, p.376-383.

The effects of crating and road transportation on stress and fear responses of broiler chickens treated with ascorbic acid. Zulkifli, I.; Che Norma, M. T.; Chong, C. H.; Loh, T. C. Archiv fuer Gefluegelkunde; Februar 2001; v.65, no.1, p.33-37.

The effects of depth on the cardiac and behavioural responses of double-crested cormorants (Phalacrocorax auritus) during voluntary diving. Enstipp, Manfred R.; Andrews, Russel D.; Jones, David R. Journal of Experimental Biology; December 2001; v.204, no.23, p.4081-4092.

The effects of disturbance on habitat use by black-tailed godwits Limosa limosa. Gill, Jennifer A.; Norris, Ken; Sutherland, William J. Journal of Applied Ecology; August 2001; v.38, no.4, p.846-856.

The effects of elevated testosterone on plumage hue in male House Finches. Stoehr, Andrew M.; Hill, Geoffrey E. Journal of Avian Biology; June 2001; v.32, no.2, p.153-158.

The effects of experimentally elevated testosterone and food deprivation on food consumption and prey size preferences in male dark-eyed juncos (Junco hyemalis, Emberizidae: Passeriformes). Clotfelter, Ethan D.; Nolan, Val, Jr.; Ketterson, Ellen D. Ethology; May 2001; v.107, no.5, p.439-449.

The effects of flooding lowland wet grassland on soil macroinvertebrate prey of breeding wading birds. Ausden, Malcolm; Sutherland, William J.; James, Robert. Journal of Applied Ecology; April 2001; v.38, no.2, p.320-338.

The effects of food availability and distance to protective cover on the winter foraging behaviour of tits(Aves: Parus). Walther, B. A.; Gosler, A. G. Oecologia (Berlin); October 2001; v.129, no.2, p.312-320.

The effects of forestry on golden eagles on the island of Mull, western Scotland. Whitfield, D. Philip; McLeod, David R. A.; Fielding, Alan H.; Broad, Roger A.; Evans, Richard J.; Haworth, Paul F. Journal of Applied Ecology; December 2001; v.38, no.6, p.1208-1220.

The effects of light intensity and light source on injuries due to pecking of male domestic turkeys (Meleagris gallopavo). Moinard, C.; Lewis, P. D.; Perry, G. C.; Sherwin, C. M. Animal Welfare; May 2001; v.10, no.2, p.131-139.

The effects of low dietary calcium during egg-laying on eggshell formation and skeletal calcium reserves in the Zebra Finch Taeniopygia guttata. Reynolds, S. James. Ibis; April 2001; v.143, no.2, p.205-215.

The effects of low levels of pollutants on the reproduction of golden eagles in western Norway. Nygard, Torgeir; Gjershaug, Jan Ove. Ecotoxicology; October 2001; v.10, no.5, p.285-290.

The effects of operant control over food and light on the behaviour of domestic hens. Taylor, Pollyanna E.; Coerse, Nancy C. A.; Haskell, Marie. Applied Animal Behaviour Science; 29 March 2001; v.71, no.4, p.319-333.

The effects of reducing bird predation on canopy arthropods of Marri (Eucalyptus calophylla) saplings on the Swan Coastal Plain, Western Australia. Evelegh, N. C. P.; Majer, J. D.; Recher, H. F. Journal of the Royal Society of Western Australia; March 2001; v.84, no.1, p.13-21.

The effects of supplemental feeding on wintering black-capped chickadees (Poecile atricapilla) in central Maine: Population and individual responses. Wilson, W. Herbert, Jr. Wilson Bulletin; March 2001; v.113, no.1, p.65-72.

The effects of supplemental feeding on wintering black-capped chickadees (Poecile atricapilla) in central Maine: Population and individual responses. Wilson, W. Herbert, Jr. Wilson Bulletin; March 2001; v.113, no.1, p.65-72.

The effects of temperature, altitude and latitude on the arrival and departure dates of the swallow Hirundo rustica in the Slovak Republic. Sparks, T. H.; Braslavska, O. International Journal of Biometeorology; November 2001; v.45, no.4, p.212-216.

The effects of territory quality on age-dependent reproductive performance in the northern wheatear, Oenanthe oenanthe. Part, Tomas. Animal Behaviour; August 2001; v.62, no.2, p.379-388.

The effects of testosterone on a viral infection in greenfinches (Carduelis chloris): An experimental test of the immunocompetence-handicap hypothesis. Lindstrom, Karin M.; Krakower, Douglas; Lundstrom, Jan O.; Silverin, Bengt. Proceedings of the Royal Society Biological Sciences Series B; 22 January 2001; v.268, no.1463, p.207-211.

The effects of the light environment on prey choice by zebra finches. Maddocks, Sam A.; Church, Stuart C.; Cuthill, Innes C. Journal of Experimental Biology; July 2001; v.204, no.14, p.2509-2515.

The effects of the minimum threshold condition for breeding on offspring sex-ratio adjustment in the lesser kestrel. Aparicio, Jose Miguel; Cordero, Pedro J. Evolution; June 2001; v.55, no.6, p.1188-1197.

The effects of trapping on the perception, and trade-off, of risks in the Great Tit Parus major. Gosler, Andrew G. Ardea; 2001; v.89, no.1 Special Issue, p.75-84.

The elastic properties of wing and contour feather keratin from the Ostrich Struthio camelus. Bonser, Richard H. C. Ibis; January 2001; v.143, no.1, p.144-145.

The eradication of feral cats (Felis catus) from Little Barrier Island, New Zealand. Veitch, C. R. New Zealand Journal of Zoology; March 2001; v.28, no.1, p.1-12.

The evolution of egg size in socially polyandrous shorebirds. Liker, A.; Reynolds, J. D.; Szekely, T. Oikos; October 2001; v.95, no.1, p.3-14.

The evolution of obligate interspecific brood parasitism in birds. Robert, Magali; Sorci, Gabriele. Behavioral Ecology; Mar.-Apr. 2001; v.12, no.2, p.128-133.

The evolution of sexual size dimorphism in the house finch. III. Developmental basis. Badyaev, Alexander V.; Whittingham, Linda A.; Hill, Geoffrey E. Evolution; January 2001; v.55, no.1, p.176-189.

The evolution of sexual size dimorphism in the house finch. IV. Population divergence in ontogeny. Badyaev, Alexander V.; Hill, Geoffrey E.; Whittingham, Linda A. Evolution; December 2001; v.55, no.12, p.2534-2549.

The expansion of the Common Eider Somateria mollissima at Ukrainian coast of the Black Sea. Ardamatskaya, Tetyana B. Acta Ornithologica (Warsaw); Summer 2001; v.36, no.1, p.53-54.

The experimental reintroduction of Ospreys Pandion haliaetus from Scotland to England. Dennis, Roy; Dixon, Helen. Vogelwelt; 2001; v.122, no.3-4, p.147-154.

The Fawn-breasted Brilliant Heliodoxa rubinoides, a hummingbird species new to Bolivia. Renner, Swen C.; Schuchmann, Karl-L. Bulletin of the British Ornithologists' Club; December 2001; v.121, no.4, p.252-255.

The first breeding record of the Bush Warbler Cettia diphone on a flooded bed. Hamao, Shoji; Matsubara, Hajime. Japanese Journal of Ornithology; May 2001; v.50, no.2, p.85-89.

The foraging ecology of egrets in rice fields in southern New South Wales, Australia. Richardson, Adam J.; Taylor, Iain R.; Growns, Jane E. Waterbirds; August 2001; v.24, no.2, p.255-264.

The foraging ecology of Royal and Sandwich Terns in North Carolina, USA. McGinnis, Thomas W.; Emslie, Steven D. Waterbirds; December 2001; v.24, no.3, p.361-370.

The formation and growth of seabird colonies: Audouin's gull as a case study. Oro, Daniel; Ruxton, Graeme D. Journal of Animal Ecology; May 2001; v.70, no.3, p.527-535.

The fossil waterfowl (Aves: Anseriformes) from the Eocene of England. Dyke, Gareth J. American Museum Novitates; December 31 2001; no.3354, p.1-15.

The fragility of extreme specialization: Passiflora mixta and its pollinating hummingbird Ensifera ensifera. Lindberg, Annika Buchert; Olesen, Jens Mogens. Journal of Tropical Ecology; March 2001; v.17, no.2, p.323-329.

The function and evolution of the tail streamer in hirundines. Rowe, Louise V.; Evans, Matthew R.; Buchanan, Katherine L. Behavioral Ecology; Mar.-Apr. 2001; v.12, no.2, p.157-163.

The function of displays of male Rufous Hummingbirds. Hurly, T. Andrew; Scott, Renee D.; Healy, Susan D. Condor; August 2001; v.103, no.3, p.647-651.

The function of female and male ornaments in the Inca Tern: Evidence for links between ornament expression and both adult condition and reproductive performance. Velando, A.; Lessells, C. M.; Marquez, J. C. Journal of Avian Biology; December 2001; v.32, no.4, p.311-318.

The function of vocalisations and aggressive behaviour used by male Rufous Whistlers, Pachycephala rufiventris. McDonald, P. G. Emu; 2001; v.101, no.1, p.65-72.

The geographical structure of British bird distributions: Diversity, spatial turnover and scale. Lennon, Jack J.; Koleff, Patricia; Greenwood, J. J. D.; Gaston, Kevin J. Journal of Animal Ecology; November 2001; v.70, no.6, p.966-979.

The Great Indian Hornbill (Buceros bicornis) and management of old growth forest patches in Periyar Tiger Reserve. Harikumar, G.; Kaler, O. P.; Joseph, Sherly; Peeyuskutty, K. J.; Zacharias, V. J. Indian Forester; October 2001; v.127, no.10, p.1165-1170.

The growth bars on tail feathers in the male Styan's Grasshopper Warbler may indicate quality. Takaki, Yoshihide; Eguchi, Kazuhiro; Nagata, Hisashi. Journal of Avian Biology; December 2001; v.32, no.4, p.319-325.

The habitat use and diet of Black Grouse Tetrao tetrix in the Pennine hills of northern England. Starling-Westerberg, Anne. Bird Study; March 2001; v.48, no.1, p.76-89.

The haematozoan parasites of Common Blackbirds Turdus merula: Associations with host condition. Hatchwell, Ben J.; Wood, Matt J.; Anwar, M. Ali; Chamberlain, Dan E.; Perrins, Christopher M. Ibis; July 2001; v.143, no.3, p.420-426.

The howdy owls of Arizona: A review of the status of Athene cunicularia. Brown, Nikolle L. Journal of Raptor Research; December 2001; v.35, no.4, p.344-350.

The impact of deer on lowland woodland invertebrates: A review of the evidence and priorities for future research. Stewart, A. J. A. Forestry (Oxford); 2001; v.74, no.3, p.259-270.

The impact of gulls on puffin reproductive performance: An experimental test of two management strategies. Finney, Suzanne K.; Wanless, Sarah; Harris, Michael P.; Monaghan, Pat. Biological Conservation; April 2001; v.98, no.2, p.159-165.

The impact of predation by introduced mammals on endemic shorebirds in New Zealand: A conservation perspective. Dowding, John E.; Murphy, Elaine C. Biological Conservation; May 2001; v.99, no.1, p.47-64.

The impact of trapping and handling activities on the breeding performance of Hooded Crows Corvus corone cornix. Olsen, Henrik; Schmidt, Niels Martin. Ringing & Migration; November 2001; v.20, no.4, p.377-380.

The implications of Cape Sable seaside sparrow demography for Everglades restoration. Lockwood, Julie L.; Fenn, Katherine H.; Caudill, Jeffery M.; Okines, David; Bass, Oron L.; Duncan, Jeffery R.; Pimm, Stuart L. Animal Conservation; August 2001; v.4, no.3, p.275-281.

The importance of arable habitat for farmland birds in grassland landscapes. Robinson, Robert A.; Wilson, Jeremy D.; Crick, Humphrey Q. P. Journal of Applied Ecology; October 2001; v.38, no.5, p.1059-1069.

The importance of nestling location for obtaining food in open cup-nests. Ostreiher, Roni Behavioral Ecology and Sociobiology; April 2001; v.49, no.5, p.340-347.

The importance of seed dispersal in the Alexandria Coastal Dunefield, South Africa. Castley, J. G.; Bruton, J.-S.; Kerley, G. I. H.; McLachlan, A. Journal of Coastal Conservation; May 2001; v.7, no.1, p.57-70.

The importance of survey timing in monitoring breeding seabird numbers. Johnson, Catherine M.; Krohn, William B. Waterbirds; April 2001; v.24, no.1, p.22-33.

The importance of Vu Quang Nature Reserve, Vietnam, for bird conservation, in the context of the Annamese Lowlands Endemic Bird Area. Eames, J. C.; Eve, R.; Tordoff, A. W. Bird Conservation International; December 2001; v.11, no.4, p.247-285.

The incidence of intestinal parasites in British birds of prey. Barton, Nigel W. H.; Houston, David C. Journal of Raptor Research; March 2001; v.35, no.1, p.71-73.

The individual optimization of fitness: Variation in reproductive output, including clutch size, mean nestling mass and offspring recruitment, in manipulated broods of great tits Parus major. Pettifor, R. A.; Perrins, C. M.; McCleery, R. H. Journal of Animal Ecology; January 2001; v.70, no.1, p.62-79.

The influence of a competitor on the geographic mosaic of coevolution between crossbills and lodgepole pine. Benkman, Craig W.; Holimon, William C.; Smith, Julie W. Evolution; February 2001; v.55, no.2, p.282-294.

The influence of age on reproductive performance in the Brown Thornbill. Green, David J. Journal of Avian Biology; March 2001; v.32, no.1, p.6-14.

The influence of carotenoid acquisition and utilization on the maintenance of species-typical plumage pigmentation in male American goldfinches (Carduelis tristis) and northern cardinals (Cardinalis cardinalis). McGraw, Kevin J.; Hill, Geoffrey E.; Stradi, Riccardo; Parker, Robert S. Physiological and Biochemical Zoology; November-December 2001; v.74, no.6, p.843-852.

The influence of environmental conditions on immune responses, morphology and recapture probability of nestling house martins (Delichon urbica). Christe, Philippe; de Lope, Florentino; Gonzalez, Guillermo; Saino, Nicola; Moller, Anders Pape. Oecologia (Berlin); February 2001; v.126, no.3, p.333-338.

The influence of flicker rate on plasma corticosterone levels of European starlings, Sturnus vulgaris. Maddocks, Sam A.; Goldsmith, Arthur R.; Cuthill, Innes C. General and Comparative Endocrinology; December 2001; v.124, no.3, p.315-320.

The influence of kinship on nutritional condition and aggression levels in winter social groups of Tufted Titmice. Pravosudova, Elena V.; Grubb, Thomas C., Jr.; Parker, Patricia G. Condor; November 2001; v.103, no.4, p.821-828.

The influence of light wavelength on reproductive photorefractoriness in migratory blackheaded bunting (Emberiza melanocephala). Rani, Sangeeta; Singh, Sudhi; Misra, Manju; Kumar, Vinod. Reproduction Nutrition Development; July-August 2001; v.41, no.4, p.277-284.

The influence of locomotion on air-sac pressures in little penguins. Boggs, D. F.; Baudinette, R. V.; Frappell, P. B.; Butler, P. J. Journal of Experimental Biology; October 2001; v.204, no.20, p.3581-3586.

The influence of locomotion on air-sac pressures in little penguins. Boggs, D. F.; Baudinette, R. V.; Frappell, P. B.; Butler, P. J. Journal of Experimental Biology; October 2001; v.204, no.20, p.3581-3586.

The influence of parental relatedness on reproductive success. Amos, W.; Wilmer, J. Worthington; Fullard, K.; Burg, T. M.; Croxall, J. P.; Bloch, D.; Coulson, T. Proceedings of the Royal Society Biological Sciences Series B; 7 October 2001; v.268, no.1480, p.2021-2027.

The influence of parental relatedness on reproductive success. Amos, W.; Wilmer, J. Worthington; Fullard, K.; Burg, T. M.; Croxall, J. P.; Bloch, D.; Coulson, T. Proceedings of the Royal Society Biological Sciences Series B; 7 October 2001; v.268, no.1480, p.2021-2027.

The influence of predation risk on threat display in great tits. Lange, Henrik; Leimar, Olof. Behavioral Ecology; July-Aug. 2001; v.12, no.4, p.375-380.

The influence of testosterone on territorial defence and parental behavior in male free-living rufous whistlers, Pachycephalarufiventris. McDonald, P. G.; Buttemer, W. A.; Astheimer, L. B. Hormones and Behavior; May 2001; v.39, no.3, p.185-194.

The influence of thermoregulatory demand on contact creching behaviour in Adelie Penguin chicks. Lawless, R. M.; Buttemer, W. A.; Astheimer, L. B.; Kerry, K. R. Journal of Thermal Biology; November 2001; v.26, no.6, p.555-562.

The influence of turbid waters on waterbird numbers and diversity: A comparison of Lakes Yumberarra and Karatta, Currawinya

The influence of weather on golden eagle migration in northwestern Montana. Yates, Richard E.; McClelland, B. Riley; McClelland, Patricia T.; Key, Carl H.; Bennetts, Robert E. Journal of Raptor Research; June 2001; v.35, no.2, p.81-90.

The interaction between bird predation and plant cover in determining habitat occupancy of darkling beetles. Groner, Elli; Ayal, Yoram. Oikos; April 2001; v.93, no.1, p.22-31.

The interaction between organizational and activational effects of testosterone in the control of early aggression in birds: A comment on SasvariHegyi and Peczely. Ros, Albert F. H.; Hirschenhauser, Katharina; Oliveira, Rui F. Ethology; September 2001; v.107, no.9, p.851-853.

The intermesenteric plexus in the pigeon (Columba livia GM). Kuder, T.; Nowak, E.; Szczurkowski, A. Anatomia Histologia Embryologia; April 2001; v.30, no.2, p.85-88.

The interobserver reliability of scoring sonagrams by eye: A study on methods, illustrated on zebra finch songs. Jones, Alexandra E.; Cate, Carel ten; Bijleveld, Catrien C. J. H. Animal Behaviour; October 2001; v.62, no.4, p.791-801.

The interplay between culling and density-dependence in the great cormorant: A modelling approach. Frederiksen, M.; Lebreton, J.-D.; Bregnballe, T. Journal of Applied Ecology; June 2001; v.38, no.3, p.617-627.

The interplay of habitat change, human disturbance and species interactions in a waterbird colony. Skagen, Susan K.; Melcher, Cynthia P.; Muths, Erin. American Midland Naturalist; January 2001; v.145, no.1, p.18-28.

The isolation and characterization of Campylobacter jejuni subsp. jejuni from domestic geese (Anser anser). Aydin, F.; Atabay, H. I.; Akan, M. Journal of Applied Microbiology; April 2001; v.90, no.4, p.637-642.

The Kalakad-Mundanthurai Tiger Reserve: A global heritage of biological diversity. Johnsingh, A. J. T. Current Science (Bangalore); 10 February 2001; v.80, no.3, p.378-388.

The King Penguin Aptenodytes patagonicus, a non-nesting bird which selects its breeding habitat. Bried, Joel; Jouventin, Pierre. Ibis; October 2001; v.143, no.4, p.670-673.

The likely cause of extinction of the tree snail Orthalicus reses reses (Say). Forys, E. A.; Quistorff, A.; Allen, C. R.; Wojcik, D. P. Journal of Molluscan Studies; August 2001; v.67, no.3, p.369-376.

The location of ranging cues in wren song: Evidence from calibrated interactive playback experiments. Holland, J.; Dabelsteen, T.; Bjorn, C. P.; Pedersen, S. B. Behaviour; February 2001; v.138, no.2, p.189-206.

The longevity of 1080 egg-baits in a regularly baited nature reserve in south-western Australia. Twigg, Laurie E.; Kok, Neville E.; Kirkpatrick, Winifred E.; Burrow, Geoff. Wildlife Research; 2001; v.28, no.6, p.607-618.

The maintenance nitrogen requirement of the zebra finch Taeniopygia guttata. Allen, L. Richard; Hume, Ian D. Physiological and Biochemical Zoology; May-June 2001; v.74, no.3, p.366-375.

The management of lowland neutral grasslands in Britain: effects of agricultural practices on birds and their food resources. Vickery, J. A.; Tallowin, J. R.; Feber, R. E.; Asteraki, E. J.; Atkinson, P. W.; Fuller, R. J.; Brown, V. K. Journal of Applied Ecology; June 2001; v.38, no.3, p.647-664.

The management plans for European migratory birds: An initiative of the European Union. Tendron, G. Game & Wildlife Science; March 2001; v.18, no.1, p.1-2.

The marine distribution of seabirds from Christmas Island, Indian Ocean. Dunlop, J. N.; Surman, C. A.; Wooller, R. D. Emu; 2001; v.101, no.1, p.19-24.

The meaning of song repertoire size and song length to male whitethroats Sylvia communis. Balsby, Thorsten J. S.; Dabelsteen, Torben. Behavioural Processes; November 1 2001; v.56, no.2, p.75-84.

The mechanical power output of the flight muscles of blue-breasted quail (Coturnix chinensis) during take-off. Askew, Graham N.; Marsh, Richard L.; Ellington, Charles P. Journal of Experimental Biology; November 2001; v.204, no.21, p.3601-3619.

The mechanical power output of the pectoralis muscle of blue-breasted quail (Coturnix chinensis): The in vivo length cycle and its implications for muscle performance. Askew, Graham N.; Marsh, Richard L. Journal of Experimental Biology; November 2001; v.204, no.21, p.3587-3600.

The membrane-bound intestinal enzymes of waxwings and thrushes: Adaptive and functional implications of patterns of enzyme activity. Witmer, Mark C.; del Rio, Carlos Martinez. Physiological and Biochemical Zoology; July-August 2001; v.74, no.4, p.584-593.

The metabolic cost of birdsong production. Oberweger, Kerstin; Goller, Franz. Journal of Experimental Biology; October 2001; v.204, no.19, p.3379-3388.

The migration of Steppe Eagles (Aquila nipalensis) and other raptors in central Nepal, autumn 1999. DeCandido, Robert; Allen, Deborah; Bildstein, Keith L. Journal of Raptor Research; March 2001; v.35, no.1, p.35-39.

The molecular basis of an avian plumage polymorphism in the wild: A melanocortin-1-receptor point mutation is perfectly associated

The montane avifauna of West New Britain, with special reference to the Nakanai Mountains. Bishop, K. David; Jones, Darryl N. Emu; 2001; v.101, no.3, p.205-220.

The morphological basis of hallucal orientation in extant birds. Middleton, Kevin M. Journal of Morphology; October 2001; v.250, no.1, p.51-60.

The music of nature and the nature of music. Gray, Patricia M.; Krause, Bernie; Atema, Jelle; Payne, Roger; Krumhansl, Carol; Baptista, Luis. Science (Washington D C); 5 January 2001; v.291, no.5501, p.52-54.

The new approaches on sustainable wildlife of Amik Lake. Inac, Selcuk; Gorucu, Ozden. Journal of Environmental Biology; October 2001; v.22, no.4, p.293-296.

The new approaches on sustainable wildlife of Amik Lake. Inac, Selcuk; Gorucu, Ozden. Journal of Environmental Biology; October 2001; v.22, no.4, p.293-296.

The Norfolk Island Green Parrot and New Caledonian Red-crowned Parakeet are distinct species. Boon, Wee Ming; Daugherty, Charles H.; Chambers, Geoffrey K. Emu; 2001; v.101, no.2, p.113-121.

The number of pairs and breeding success of Common Ravens on Mainland, Orkney 1983-2000. Booth, C. J. Scottish Birds; June 2001; v.22, no.1, p.66-67.

The number of provisioning visits by House Finches predicts the mass of food delivered. Nolan, Paul M.; Stoehr, Andrew M.; Hill, Geoffrey E.; McGraw, Kevin J. Condor; November 2001; v.103, no.4, p.851-855.

The occurrence of Phoenicopterus chilensis Molina (Aves, Phoenicopteridae) in Sao Paulo State Reservoirs. Branco, M. B. C.; Rocha, O.; Dias, M. M. Brazilian Journal of Biology; November 2001; v.61, no.4, p.703-704.

The occurrence of Wilson's storm petrel (Oceanites oceanicus) in New Zealand waters. Petyt, Chris Notornis; March 2001; v.48, no.1, p.54-55.

The Old World sparrows (genus Passer) phylogeography and their relative abundance of nuclear mtDNA pseudogenes. Allende, Luis M.; Rubio, Isabel; Ruiz-del-Valle, Valentin; Guillen, Jesus; Martinez-Laso, Jorge; Lowy, Ernesto; Varela, Pilar; Zamora, Jorge; Arnaiz-Villena, Antonio. Journal of Molecular Evolution; August 2001; v.53, no.2, p.144-154.

The ontogeny of the homing pigeon navigational map: Evidence for a sensitive learning period. Gagliardo, Anna; Ioale, Paolo; Odetti, Francesca; Bingman, Verner P. Proceedings of the Royal Society Biological Sciences Series B; 22 January 2001; v.268, no.1463, p.197-202.

The optimal degree of parental care asymmetry among communal breeders. Zink, Andrew G. Animal Behaviour; February 2001; v.61, no.2, p.439-446.

The orientation system and migration pattern of long-distance migrants: Conflict between model predictions and observed patterns. Thorup, Kasper; Rabol, Jorgen. Journal of Avian Biology; June 2001; v.32, no.2, p.111-119.

The oscine song system considered in the context of the avian brain: Lessons learned from comparative neurobiology. Farries, Michael A. Brain Behavior and Evolution; 2001; v.58, no.2, p.80-100.

The ostrich in Egypt: Past and present. Manlius, Nicolas. Journal of Biogeography; August 2001; v.28, no.8, p.945-953.

The past and present status of the Osprey Pandion haliaetus in Lithuania. Sablevicius, Bronius. Vogelwelt; 2001; v.122, no.3-4, p.219-221.

The pathology of normobaric oxygen toxicity in budgerigars (Melopsittacus undulatus). Jaensch, Susan M.; Cullen, L.; Raidal, S. R. Avian Pathology; April 2001; v.30, no.2, p.135-142.

The phalloid organ, orgasm and sperm competition in a polygynandrous bird: The red-billed buffalo weaver (Bubalornis niger). Winterbottom, M.; Burke, T.; Birkhead, T. R. Behavioral Ecology and Sociobiology; October 2001; v.50, no.5, p.474-482.

The phalloid organ, orgasm and sperm competition in a polygynandrous bird: The red-billed buffalo weaver (Bubalornis niger). Winterbottom, M.; Burke, T.; Birkhead, T. R. Behavioral Ecology and Sociobiology; October 2001; v.50, no.5, p.474-482.

The phylogenetic status of the Corn Bunting Miliaria calandra based on mitochondrial control-region DNA sequences. Lee, Patricia L. M.; Richardson, Lynne J.; Bradbury, Richard B. Ibis; April 2001; v.143, no.2, p.299-303.

The phylogenetic status of the Corn Bunting Miliaria calandra based on mitochondrial control-region DNA sequences. Lee, Patricia L. M.; Richardson, Lynne J.; Bradbury, Richard B. Ibis; April 2001; v.143, no.2, p.299-303.

The Pied Currawong's role in avian nest predation: A predator removal experiment. Fulton, Graham R.; Ford, Hugh A. Pacific Conservation Biology; December 2001; v.7, no.3, p.154-160.

The Pipe Creek Sinkhole biota, a diverse late Tertiary continental fossil assemblage from Grant County, Indiana.

The population genetic structure of the greater rhea (Rhea americana) in an agricultural landscape. Bouzat, Juan L. Biological Conservation; June 2001; v.99, no.3, p.277-284.

The predicted antigenicity of the haemagglutinin of the 1918 Spanish influenza pandemic suggests an avian origin. Brownlee, G. G.; Fodor, E. Philosophical Transactions of the Royal Society of London B Biological Sciences; 29 December 2001; v.356, no.1416, p.1871-1876.

The prevalence of feather pecking and development in commercial flocks of laying hens. Huber-Eicher, B.; Sebo, F. Applied Animal Behaviour Science; 5 November 2001; v.74, no.3, p.223-231.

The problem of bird origins and early avian evolution. Feduccia, Alan. Journal fuer Ornithologie; Juni 2001; v.142, no.Special Issue 1, p.139-147.

The productivity of small animal species in small-scale mixed farming systems in subtropical Bolivia. Paterson, R. T.; Joaquin, N.; Chamon, K.; Palomino, E. Tropical Animal Health and Production; February 2001; v.33, no.1, p.1-14.

The rally call recognition in males of two hybridizing partridge species, red-legged (Alectoris rufa) and rock (A. graeca) partridges. Ceugniet, M.; Aubin, T. Behavioural Processes; June 13 2001; v.55, no.1, p.1-12.

The recent decline in the population of Black-headed Gulls Larus ridibundus in Denmark and its plausible causes. Heldbjerg, Henning. Dansk Ornitologisk Forenings Tidsskrift; 2001; v.95, no.1, p.19-27.

The relationship between the magnitude of the specific antibody response to experimental Salmonella enteritidis infection in laying hens and their production of contaminated eggs. Gast, Richard K.; Holt, Peter S. Avian Diseases; April-June 2001; v.45, no.2, p.425-431.

The relationship of habitat and spatial distribution of nests with Brown-headed Cowbird parasitism of Red-winged Blackbirds. Strausberger, Bill M. Wilson Bulletin; June 2001; v.113, no.2, p.129-133.

The response of the Eagle Owl (Bubo bubo) to an outbreak of the rabbit haemorrhagic disease. Martinez, Jose Antonio; Zuberogoitia, Inigo. Journal fuer Ornithologie; April 2001; v.142, no.2, p.204-211.

The resting metabolic cost of egg laying and nestling feeding in great tits. Nilsson, Jan-Ake; Raberg, Lars. Oecologia (Berlin); July 2001; v.128, no.2, p.187-192.

The role of arboreal seed dispersal groups on the seed rain of a lowland tropical forest. Clark, C. J.; Poulsen, J. R.; Parker, V. T. Biotropica; December 2001; v.33, no.4, p.606-620.

The role of cacao plantations in maintaining forest avian diversity in southeastern Costa Rica. Reitsma, R.; Parrish, J. D.; McLarney, W. Agroforestry Systems; 2001; v.53, no.2, p.185-193.

The role of dopamine in the timing of Pavlovian conditioned keypecking in ring doves. Ohyama, Tatsuya; Horvitz, Jon C.; Kitsos, Elizabeth; Balsam, Peter D. Pharmacology Biochemistry and Behavior; July-August 2001; v.69, no.3-4, p.617-627.

The role of dopamine in the timing of Pavlovian conditioned keypecking in ring doves. Ohyama, Tatsuya; Horvitz, Jon C.; Kitsos, Elizabeth; Balsam, Peter D. Pharmacology Biochemistry and Behavior; July-August 2001; v.69, no.3-4, p.617-627.

The role of fruit diet within a temperate breeding bird community in southern Spain. Hampe, Arndt . Bird Study; March 2001; v.48, no.1, p.116-123.

The role of hierarchy levels in vocal imitations of songbirds. Todt, Dietmar; Cirillo, Jasmin; Geberzahn, Nicole; Schleuss, Friederike. Cybernetics and Systems; January-March 2001; v.32, no.1-2, p.257-283.

The role of invertebrates in the diet, growth and survival of red grouse (Lagopus lagopus scoticus) chicks. Park, K. J.; Robertson, P. A.; Campbell, S. T.; Foster, R.; Russell, Z. M.; Newborn, D.; Hudson, P. J. Journal of Zoology (London); June 2001; v.254, no.2, p.137-145.

The role of item- and category-specific information in the discrimination of people versus nonpeople images by pigeons. Aust, Ulrike; Huber, Ludwig. Animal Learning & Behavior; May 2001; v.29, no.2, p.107-119.

The role of landscape structure in species richness distribution of birds, amphibians, reptiles and lepidopterans in Mediterranean landscapes. Atauri, Jose A.; de Lucio, Jose V. Landscape Ecology; February 2001; v.16, no.2, p.147-159.

The role of nectar production, flower pigments and odour in the pollination of four species of Passiflora (Passifloraceae) insouth-eastern Brazil. Varassin, Isabela Galarda; Trigo, Jose Roberto; Sazima, Marlies. Botanical Journal of the Linnean Society; June 2001; v.136, no.2, p.139-152.

The role of ringing in integrated population monitoring of anatidae in the United Kingdom. Kershaw, Melanie; Hearn, Richard D.; Cranswick, Peter A. Ardea; 2001; v.89, no.1 Special Issue, p.209-220.

The role of ringing in integrated population monitoring of anatidae in the United Kingdom. Kershaw, Melanie; Hearn, Richard D.; Cranswick, Peter A. Ardea; 2001; v.89, no.1 Special Issue, p.209-220.

The role of salt marshes in the Mira estuary (Portugal). Costa, M. J.; Catarino, Fernando; Bettencourt, Alexandre. Wetlands Ecology and Management; April 2001; v.9, no.2, p.121-134.

The role of search area in the detection of cryptic prey by crested tits and coal tits. Winkler, Hans; Kothbauer-Hellmann, Renate. Behaviour; July 2001; v.138, no.7, p.873-883.

The role of search area in the detection of cryptic prey by crested tits and coal tits. Winkler, Hans; Kothbauer-Hellmann, Renate. Behaviour; July 2001; v.138, no.7, p.873-883.

The role of the avian hippocampus in orientation in space and time. Colombo, Michael; Broadbent, Nicola J.; Taylor, Charlotte S. R.; Frost, Nicole Brain Research; 23 November 2001; v.919, no.2, p.292-301.

The roles of domesticated animals in the cultural history of the humans. Tanabe, Yuichi. Asian-Australasian Journal of Animal Sciences; December 2001; v.14, no.Special Issue, p.13-18.

The scientific foundations of habitat conservation plans: A quantitative assessment. Harding, Elaine K.; Crone, Elizabeth E.; Elderd, Bret D.; Hoekstra, Jonathan M.; McKerrow, Alexa J.; Perrine, John D.; Regetz, Jim; Rissler, Leslie J.; Stanley, Amanda G.; Walters, Eric L.; NCEAS Habitat Conservation Plan Working Group. Conservation Biology; April 2001; v.15, no.2, p.488-500.

The secondary adjustment of clutch size in red-winged blackbirds (Agelaius phoeniceus). Forbes, Scott; Glassey, Barb; Thornton, Suzanne; Earle, Lisa. Behavioral Ecology and Sociobiology; June 2001; v.50, no.1, p.37-44.

the 'Seymour Model'. Sinclair, J. Ross. Australian Journal of Zoology; 2001; v.49, no.6, p.675-694.

The shape of eggs in different-sized clutches of the house wren (Troglodytes aedon). Johnson, L. Scott; Leyhe, Jennifer E.; Werner, Caryn. Canadian Journal of Zoology; August 2001; v.79, no.8, p.1527-1531.

The Slender-billed Curlew Numenius tenuirostris: Threats and conservation. Gallo-Orsi, Umberto; Boere, Gerard C. Acta Ornithologica (Warsaw); Summer 2001; v.36, no.1, p.73-77.

The social organization and mating system of the Striated Grasswren. Karubian, Jordan. Condor; May 2001; v.103, no.2, p.412-417.

The song does not remain the same. Margoliash, Daniel. Science (Washington D C); 30 March 2001; v.291, no.5513, p.2559-2561.

The spring stopover of the Reed Warbler Acrocephalus scirpaceus in northeast Spain. Robson, David; Barriocanal, Carles; Garcia, Oscar; Villena, Oscar. Ringing & Migration; May 2001; v.20, no.3, p.233-238.

The status and conservation of the Edible-nest Swiftlet (Collocalia fuciphaga) in the Andaman and Nicobar Islands. Sankaran, R. Biological Conservation; February 2001; v.97, no.3, p.283-294.

The status of breeding Barn Owls Tyto alba in the United Kingdom 1995-97. Toms, Michael P.; Crick, Humphrey Q. P.; Shawyer, Colin R. Bird Study; March 2001; v.48, no.1, p.23-37.

The status of Icelandic Redshank Tringa totanus robusta in north Kent during autumn. Derrett, K.; Smith, R. Ringing & Migration; November 2001; v.20, no.4, p.338-343.

The status of seabird colonies on the Cook Islands atoll of Suwarrow. Jones, Rhys J. Bird Conservation International; December 2001; v.11, no.4, p.309-318.

The status of the genus Lugensa Mathews and the birds collected by Carmichael on Tristan da Cunha in 1816-1817. Bourne, W. R. P. Bulletin of the British Ornithologists' Club; September 2001; v.121, no.3, p.215-216.

The structure and dynamics of an assemblage of small birds in a semi-arid eucalypt woodland in south-western Australia. Morris, W. J.; Wooller, R. D. Emu; 2001; v.101, no.1, p.7-12.

The structure of bat communities roosting in bird nest boxes in two pine monocultures in Poland. Kasprzyk, Krzysztof; Ruczynski, Ireneusz. Folia Zoologica; 2001; v.50, no.2, p.107-116.

The structure of greylag goose oxy haemoglobin: The roles of four mutations compared with bar-headed goose haemoglobin. Liang, Yu-He; Liu, Xiao-Zhou; Liu, Shun-He; Lu, Guang-Ying. Acta Crystallographica Section D Biological Crystallography; December 2001; v.57, no.12, p.1850-1856.

The structure of raptor assemblages in riparian environments in the south-west of the Northern Territory, Australia. Aumann, T. Emu; 2001; v.101, no.4, p.293-304.

The subspecific origin of the inland breeding colonies of the cormorant Phalacrocorax carbo in Britain. Winney, B. J.; Litton, C. D.; Parkin, D. T.; Feare, C. J. Heredity; January 2001; v.86, no.1, p.45-53.

The survival rate of Lanyu Scops Owls Otus elegans botelensis. Severinghaus, Lucia Liu; Rothery, Peter. Ibis; October 2001; v.143, no.4, p.540-546.

The sustainability of the common crane (Grus grus) flock breeding in Norfolk: Insights from simulation modelling. Mathews, Fiona; Macdonald, David W. Biological Conservation; August 2001; v.100, no.3, p.323-333.

The sweet jelly of Combretum lanceolatum flowers (Combretaceae): A cornucopia resource for bird pollinators in the Pantanal, western Brazil. Sazima, M.; Vogel, S.; do Prado, A. L.; de Oliveira, D. M.; Franz, G.; Sazima, I. Plant Systematics and Evolution; 2001; v.227, no.3-4, p.195-208.

The systematic position of the genus Basityto Mlikovsky, 1998 (Aves: Gruiformes: Gruidae). Mourer-Chauvire, Cecile. Proceedings of the Biological Society of Washington; 19 December 2001; v.114, no.4, p.964-971.

The systematic position of the genus Basityto Mlikovsky, 1998 (Aves: Gruiformes: Gruidae). Mourer-Chauvire, Cecile. Proceedings of the Biological Society of Washington; 19 December 2001; v.114, no.4, p.964-971.

The taphonomy of Sub-Atlantic bird remains from Bazhukovo III, Ural Mountains, Russia. Bochenski, Zbigniew M.; Nekrasov, Alexei E. Acta Zoologica Cracoviensia; 2001; v.44, no.2, p.93-106.

The taxonomic rank of Spizella taverneri: A response to Mayr and Johnson. Klicka, John; Zink, Robert M.; Barlow, Jon C.; McGillivray, W. Bruce; Doyle, Terry J. Condor; May 2001; v.103, no.2, p.420-422.

The three hosts of the Ligula intestinalis (Cestoda) life cycle in Lavernose-Lacasse gravel pit, France. Loot, Geraldine; Francisco, Pascal; Santoul, Frederic; Lek, Sovan; Guegan, Jean-Francois. Archiv fuer Hydrobiologie; October 2001; v.152, no.3, p.511-525.

The timing and duration of moult in adult Starlings Sturnus vulgaris in east-central England. Rothery, Peter; Wyllie, Ian; Newton, Ian; Dawson, Alistair; Osborn, Dan. Ibis; July 2001; v.143, no.3, p.435-441.

The timing of egg loss in macaroni penguins. Barlow, Kate E. Antarctic Science; September 2001; v.13, no.3, p.286-287.

The type-locality of Sturnella magna quinta Dickerman, 1989: A correction to the original publication. Joseph, Leo. Bulletin of the British Ornithologists' Club; March 2001; v.121, no.1, p.69-71.

The use of haloperidol during the transport of adult ostriches. Pfitzer, S.; Lambrechts, H. Journal of the South African Veterinary Association; March 2001; v.72, no.1, p.2.

The use of mangrove wetland as a biofilter to treat shrimp pond effluents: Preliminary results of an experiment on the Caribbean coast of Colombia. Gautier, Dominique; Amador, Jaime; Newmark, Federico. Aquaculture Research; October 2001; v.32, no.10, p.787-799.

The use of nitrogen fertilizer on alternative grassland feeding refuges for pink-footed geese in spring. Patterson, I. J.; Fuchs, R. M. E. Journal of Applied Ecology; June 2001; v.38, no.3, p.637-646.

The use of primary abrasion for ageing Reed Buntings Emberiza schoeniclus. De La Puente, Javier; Seoane, Javier. Ringing & Migration; May 2001; v.20, no.3, p.221-223.

The use of relative and absolute bearings by Clark's nutcrackers, Nucifraga columbiana. Jones, Juli E.; Kamil, Alan C. Animal Learning & Behavior; May 2001; v.29, no.2, p.120-132.

The use of riparian forest strips by small mammals in a boreal balsam fir forest. Darveau, Marcel; Labbe, Paul; Beauchesne, Patrick; Belanger, Louis; Huot, Jean Forest Ecology and Management; 1 April 2001; v.143, no.1-3, p.95-104.

The utilization of heather moorland by territorial Red Grouse Lagopus lagopus scoticus. Palmer, S. C. F.; Bacon, P. J. Ibis; April 2001; v.143, no.2, p.222-232.

The validity of the genus Veles Bangs, 1918 (Caprimulgidae). Cleere, Nigel. Bulletin of the British Ornithologists' Club; December 2001; v.121, no.4, p.278-279.

The vertebrate segmentation clock. Pourquie, Olivier. Journal of Anatomy; July-August 2001; v.199, no.1-2, p.169-175.

The vertebrate segmentation clock. Pourquie, Olivier. Journal of Anatomy; July-August 2001; v.199, no.1-2, p.169-175.

The Weichselian (c. 115,000 - 10,000 B.P.) vertebrate fauna of Norway. Hufthammer, Anne Karin. Bollettino della Societa Paleontologica Italiana; 2001; v.40, no.2, p.201-208.

The winter migration of Adelie penguins breeding in the Ross Sea sector of Antarctica. Davis, Lloyd S.; Harcourt, Robert G.; Bradshaw, Corey J. A. Polar Biology; August 2001; v.24, no.8, p.593-597.

The wintering of migrant Dunnocks Prunella modularis in two Mediterranean habitats after fire. Pons, Pere. Bird Study; March 2001; v.48, no.1, p.68-75.

The wise use of wetlands: Identifying development options for Ghana's coastal Ramsar sites. Willoughby, Nick; Grimble, Robin; Ellenbroek, Wim; Danso, Elijah; Amatekpor, Julius. Hydrobiologia; 15 August 2001; v.458, p.221-234.

The wise use of wetlands: Identifying development options for Ghana's coastal Ramsar sites. Willoughby, Nick; Grimble, Robin; Ellenbroek, Wim; Danso, Elijah; Amatekpor, Julius. Hydrobiologia; 15 August 2001; v.458, p.221-234.

Theoretical morphology of the Archosaur (Reptilia: Diapsida) pelvic girdle. Rasskin-Gutman, Diego; Buscalioni, Angela D. Paleobiology; Winter 2001; v.27, no.1, p.59-78.

Thermal ecology and ecological energetics of California Spotted Owls. Weathers, Wesley W.; Hodum, Peter J.; Blakesley, Jennifer A. Condor; November 2001; v.103, no.4, p.678-690.

Thermal resistance of chicken (Gallus domesticus) plumage: A comparison between broiler and free-range birds. Ward, J. M.; Houston, D. C.; Ruxton, G. D.; McCafferty, D. J.; Cook, P. British Poultry Science; December 2001; v.42, no.5, p.558-563.

Thermoregulation and the energetic significance of clustering behavior in the white-backed mousebird (Colius colius). McKechnie, Andrew E.; Lovegrove, Barry G. Physiological and Biochemical Zoology; March-April 2001; v.74, no.2, p.238-249.

Thinning and regeneration in Puerto Rico's colorado forest, with comments about their effect on the Puerto Rican Parrot. Weaver, Peter L. Caribbean Journal of Science; December 2001; v.37, no.3-4, p.252-258.

Thinning and regeneration in Puerto Rico's colorado forest, with comments about their effect on the Puerto Rican Parrot. Weaver, Peter L. Caribbean Journal of Science; December 2001; v.37, no.3-4, p.252-258.

Third breeding record of blue grosbeak in North Dakota. Haas, Katherine H.; Haas, Carola A. Prairie Naturalist; March 2001; v.33, no.1, p.41-43.

Thirty-year bird population trends in an unfragmented temperate deciduous forest: Importance of habitat change. Holmes, Richard T.; Sherry, Thomas W. Auk; July 2001; v.118, no.3, p.589-609.

Threat display in birds. Hurd, Peter L.; Enquist, Magnus. Canadian Journal of Zoology; June 2001; v.79, no.6, p.931-942.

Threatened and extinct bird specimens held in the Macleay Museum, University of Sydney, Australia. Fulton, Graham R. Bulletin of the British Ornithologists' Club; March 2001; v.121, no.1, p.39-49.

Three-toed Woodpecker: Picoides tridactylus. Leonard, David L., Jr. Birds of North America; 2001; no.588, p.1-23.

Thresholds for sweet, salt, and sour taste stimuli in cockatiels (Nymphicus hollandicus). Matson, Kevin D.; Millam, James R.; Klasing, Kirk C. Zoo Biology; 2001; v.20, no.1, p.1-13.

Ticks (Acari: Ixodidae) and spirochetes (Spirochaetaceae: Spirochaetales) recovered from birds on a Georgia Barrier Island. Durden, Lance A.; Oliver, James H., Jr.; Kinsey, Andrew A. Journal of Medical Entomology; March 2001; v.38, no.2, p.231-236.

Time allocation and foraging pattern of chick-rearing Razorbills in northwest Iceland. Dall'Antonia, Luigi; Gudmundsson, Gudmundur A.; Benvenuti, Silvano. Condor; August 2001; v.103, no.3, p.469-480.

Time budget, foraging activities, diet and occurrence of aspergillosis in captive yellowheads (Mohoua ochrocephala). Stiller, Petra. New Zealand Journal of Zoology; September 2001; v.28, no.3, p.343-349.

Time budget, habitat use and breeding success of White Storks Ciconia ciconia under variable foraging conditions during the breeding season in Switzerland. Moritzi, Martin; Maumary, Lionel; Schmid, David; Steiner, Isabelle; Vallotton, Laurent; Spaar, Reto; Biber, Olivier. Ardea; 2001; v.89, no.3, p.457-470.

Time course and reversibility of changes in the gizzards of red knots alternately eating hard and soft food. Dekinga, Anne; Dietz, Maurine W.; Koolhaas, Anita; Piersma, Theunis. Journal of Experimental Biology; June 2001; v.204, no.12, p.2167-2173.

Time/depth usage of Adelie penguins: An approach based on dive angles. Ropert-Coudert, Yan; Kato, Akiko; Baudat, Julien; Bost, Charles-Andre; Le Maho, Yvon; Naito, Yasuhiko. Polar Biology; June 2001; v.24, no.6, p.467-470.

Timing and speed of migration in male, female and juvenile Ospreys Pandion haliaetus between Sweden and Africa as revealed by field observations, radar and satellite tracking. Kjellen, Nils; Hake, Mikael; Alerstam, Thomas. Journal of Avian Biology; March 2001; v.32, no.1, p.57-67.

Timing of breeding in variable environments: Tropical birds as model systems. Hau, Michaela. Hormones and Behavior; September 2001; v.40, no.2, p.281-290.

Timing of breeding range occupancy among high-latitude passerine migrants. Benson, Anna-Marie; Winker, Kevin. Auk; April 2001; v.118, no.2, p.513-519.

Timing of mineral sequestration in leg bones of White-tailed Ptarmigan. Larison, James R.; Crock, J. G.; Snow, Christine M. Auk; October 2001; v.118, no.4, p.1057-1062.

Timing of mineral sequestration in leg bones of White-tailed Ptarmigan. Larison, James R.; Crock, J. G.; Snow, Christine M. Auk; October 2001; v.118, no.4, p.1057-1062.

Titi (sooty shearwaters) on whero island: Analysis of historic data using modern techniques. Scofield, R. Paul; Fletcher, David J.; Robertson, Christopher J. R. Journal of Agricultural Biological and Environmental Statistics; June 2001; v.6, no.2, p.268-280.

To analyse ringing recoveries in a national atlas: Examples from the Swedish project. Fransson, Thord. Ardea; 2001; v.89, no.1 Special Issue, p.21-30.

To walk or to fly? How birds choose among foraging modes. Bautista, Luis M.; Tinbergen, Joost; Kacelnik, Alejandro. Proceedings of the National Academy of Sciences of the United States of America; January 30 2001; v.98, no.3,p.1089-1094.

Tonotopic and somatotopic representation in the nucleus basalis of the barn owl, Tyto alba. Wild, J. M.; Kubke, M. F.; Carr, C. E. Brain Behavior and Evolution; January 2001; v.57, no.1, p.39-62.

Topography of spatially directed conditioned responding: Effects of context and trial duration. Burns, Melissa; Domjan, Michael. Journal of Experimental Psychology Animal Behavior Processes; July 2001; v.27, no.3, p.269-278.

Torpor in free-ranging tawny frogmouths (Podargus strigoides). Kortner, Gerhard; Brigham, R. Mark; Geiser, Fritz. Physiological and Biochemical Zoology; November-December 2001; v.74, no.6, p.789-797.

Tourism and recreation at seabird breeding sites in Patagonia, Argentina: Current concerns and future prospects. Yorio, Pablo; Frere, Esteban; Gandini, Patricia; Schiavini, Adrian. Bird Conservation International; December 2001; v.11, no.4, p.231-245.

Toward a blueprint for conservation in Africa. Brooks, Thomas; Balmford, Andrew; Burgess, Neil; Fjeldsa, Jon; Hansen, Louis A.; Moore, Joslin; Rahbek, Carsten; Williams, Paul. Bioscience; August 2001; v.51, no.8, p.613-624.

Towards a molecular systematics of the genus Criniger, and a preliminary phylogeny of the bulbuls (Aves, Passeriformes, Pycnonotidae). Pasquet, Eric; Han, Lian-Xian; Khobkhet, Obhas; Cibois, Alice. Zoosystema; 2001; v.23, no.4, p.857-863.

Trace elements in king eiders and common eiders in the Canadian arctic. Wayland, M.; Gilchrist, H. G.; Dickson, D. L.; Bollinger, T.; James, C.; Carreno, R. A.; Keating, J. Archives of Environmental Contamination and Toxicology; November 2001; v.41, no.4, p.491-500.

Traceability of poultry and poultry products. Fallon, M. Revue Scientifique et Technique Office International des Epizooties; August 2001; v.20, no.2, p.538-546.

Tracking memory's trace. Horn, Gabriel; Nicol, Alister U.; Brown, Malcolm W. Proceedings of the National Academy of Sciences of the United States of America; April 24 2001; v.98, no.9,p.5282-5287.

Trade-offs between reproduction and survival in tits. Dhondt, Andre A. Ardea; 2001; v.89, no.1 Special Issue, p.155-166.

Traditional management of forests: Plant and bird community responses to alternative restoration of oak-hazel woodland in Sweden. Hansson, Lennart. Biodiversity and Conservation; November 2001; v.10, no.11, p.1865-1873.

Transcutaneous ultrasonography of the coelomic viscera of the ostrich (Struthio camelus). Wagner, Wencke M.; Kirberger, Robert M. Veterinary Radiology & Ultrasound; November-December 2001; v.42, no.6, p.546-552.

Transect surveys of columbid nests on Puerto Rico, Vieques, and Culebra islands. Rivera-Milan, Frank F. Condor; May 2001; v.103, no.2, p.332-342.

Transfer of n-3 and n-6 polyunsaturated fatty acids from yolk to embryo during development of the king penguin. Decrock, Frederic; Groscolas, Rene; McCartney, Ruth J.; Speake, Brian K. American Journal of Physiology; March 2001; v.280, no.3 Part 2, p.R843-R853.

Transfer of vitamins E and A from yolk to embryo during development of the king penguin (Aptenodytes patagonicus). Surai, Peter F.; Speake, Brian K.; Decrock, Frederic; Groscolas, Rene. Physiological and Biochemical Zoology; November-December 2001; v.74, no.6, p.928-936.

Transference of dietary veterinary drugs into eggs. Furusawa, N. Veterinary Research Communications; December 2001; v.25, no.8, p.651-662.

Translocation of Blue and Gold Macaw Ara ararauna into its historical range on Trinidad. Oehler, David A.; Boodoo, David; Plair, Bernadette; Kuchinski, Kristine; Campbell, Mark; Lutchmedial, Gupte; Ramsubage, Sham; Maruska, Edward J.; Malowski, Steve. Bird Conservation International; June 2001; v.11, no.2, p.129-141.

Translocation of Blue and Gold Macaw Ara ararauna into its historical range on Trinidad. Oehler, David A.; Boodoo, David; Plair, Bernadette; Kuchinski, Kristine; Campbell, Mark; Lutchmedial, Gupte; Ramsubage, Sham; Maruska, Edward J.; Malowski, Steve. Bird Conservation International; June 2001; v.11, no.2, p.129-141.

Translocation of red-cockaded woodpeckers by reciprocal fostering of nestlings. Wallace, Monica T.; Buchholz, Richard. Journal of Wildlife Management; April 2001; v.65, no.2, p.327-333.

Transmitter attachment and its effects on Australian brush-turkey hatchlings. Goth, Ann; Jones, Darryl N. Wildlife Research; 2001; v.28, no.1, p.73-78.

Trapping and hunting of migratory raptors in western Georgia. Van Maanen, Erwin; Goradze, Irakli; Gavashelishvili, Alexander; Goradze, Rezo. Bird Conservation International; June 2001; v.11, no.2, p.77-92.

Traumatic myiasis of geese in Hungary. Farkas, Robert; Szanto, Zoltan; Hall, Martin. Veterinary Parasitology; 5 February 2001; v.95, no.1, p.45-52.

Tree pie (Dendrocitta vagabunda) in the arid Thar desert. Islam, M. Zafar-Ul; Rahmani, Asad R.; Kumar, Satish. Journal of the Bombay Natural History Society; August 2001; v.98, no.2, p.281.

Trematodes of free range reared guinea fowls (Numida meleagris Linnaeus, 1758) in the state of Rio de Janeiro, Brazil: Morphology and pathology. Menezes, Rodrigo C.; Mattos, Dalton G., Jr.; Tortelly, Rogerio; Muniz-Pereira, Luis C.; Magalhaes Pinto, Roberto; Correa Gomes, Delir. Avian Pathology; June 2001; v.30, no.3, p.209-214.

Trematodes of owls (Aves: Strigiformes) in the Czech Republic. Sitko, Jilji. Acta Societatis Zoologicae Bohemicae; March 30 2001; v.65, no.1, p.45-56.

Trends in reproductive success of Hawaiian seabirds: Is guild membership a good criterion for choosing indicator species? Dearborn, Donald C.; Anders, Angela D.; Flint, Elizabeth N. Biological Conservation; September 2001; v.101, no.1, p.97-103.

Trends in reproductive success of Hawaiian seabirds: Is guild membership a good criterion for choosing indicator species? Dearborn, Donald C.; Anders, Angela D.; Flint, Elizabeth N. Biological Conservation; September 2001; v.101, no.1, p.97-103.

Trichinella pseudospiralis populations of the Palearctic region and their relationship with populations of the Nearctic and Australian regions. La Rosa, G.; Marucci, G.; Zarlenga, D. S.; Pozio, E. International Journal for Parasitology; March 2001; v.31, no.3, p.297-305.

Trichinella spp. in ostrich meat: A public health risk? Piergili Fioretti, D.; Moretti, A.; Marini, C.; Grelloni, V.; Antognoni, M. T. Parasite; Juin 2001; v.8, no.2 Supplement, p.S203-S205.

Trichomonas gallinae in an expanding population of white-winged doves from Texas. Glass, Jason W.; Fedynich, Alan M.; Small, Michael F.; Benn, Steve J. Southwestern Naturalist; June 2001; v.46, no.2, p.234-237.

Trigeminally innervated iron-containing structures in the beak of homing pigeons, and other birds. Williams, Matthew N.; Wild, J. Martin. Brain Research; 19 January 2001; v.889, no.1-2, p.243-246.

Triple brooding by southern Ontario Wood Thrushes. Friesen, Lyle E.; Cadman, Michael D.; Allen, Martha L. Wilson Bulletin; June 2001; v.113, no.2, p.237-239.

Trophic system and niche difference in Indo-Australian swifts (Aves: Apodidae). Povel, G. D. E. Journal of Morphology; June 2001; v.248, no.3, p.272.

Tropical forest fragmentation and nest predation: An experimental study in an Eastern Arc montane forest, Tanzania. Carlson, Allan; Hartman, Goran. Biodiversity and Conservation; July 2001; v.10, no.7, p.1077-1085.

Tropical rain forest recovery from cyclone damage and fire in Samoa. Hjerpe, Johan; Hedenas, Henrik; Elmqvist, Thomas. Biotropica; June 2001; v.33, no.2, p.249-259.

Trumpeter swan behaviour at spring-migration stopover areas in southern Alberta. LaMontagne, Jalene M.; Barclay, Robert M. R.; Jackson, Leland J. Canadian Journal of Zoology; November 2001; v.79, no.11, p.2036-2042.

Tuberculosis in Geese (Anser anser) in Turkey. Ozcan, K.; Beytut, E.; Aydin, F.; Tuzcu, M. Avian Diseases; July-September 2001; v.45, no.3, p.755-759.

Turnover of territorial Scops Owls Otus scops as estimated by spectrographic analyses of male hoots. Galeotti, Paolo; Sacchi, Roberto. Journal of Avian Biology; September 2001; v.32, no.3, p.256-262.

Two new avian host records for Ornithoctona erythrocephala (Diptera: Hippoboscidae) in Puerto Rico. Tossas, Adrianne G. Caribbean Journal of Science; May 2001; v.37, no.1-2, p.115-116.

Two new species of the family Syringophilidae (Acari: Cheyletoidea) from passeriform birds collected in the Altai. Bochkov, Andre; Apanaskevich, Dmitry. Folia Parasitologica (Ceske Budejovice); 2001; v.48, no.4, p.321-325.

Two new species of the parasitic mites of the genus Aulobia Kethley, 1970 (Acari, Syringophilidae) from African birds. Skoracki, Maciej; Dabert, Jacek. Acta Parasitologica; July 2001; v.46, no.3, p.208-215.

Ultradian rhythm of activity in Japanese quail groups under semi-natural conditions during ontogeny: Functional aspects and relation to circadian rhythm. Lumineau, Sophie; Guyomarc'h, Catherine; Richard, Jean-Pierre. Biological Rhythm Research; July 2001; v.32, no.3, p.373-388.

Ultraviolet vision, fluorescence and mate choice in a parrot, the budgerigar Melopsittacus undulatus. Pearn, Sophie M.; Bennett, Andrew T. D.; Cuthill, Innes C. Proceedings of the Royal Society Biological Sciences Series B; 7 November 2001; v.268, no.1482, p.2273-2279.

Uncertainty and variability in risk from trophic transfer of contaminants in dredged sediments. Linkov, Igor; von Stackelberg, Katherine E.; Burmistrov, Dmitriy; Bridges, Todd S. Science of the Total Environment; 2 July 2001; v.274, no.1-3, p.255-269.

Understanding human impact on the baltic ecosystem: Changing views in recent decades. Elmgren, Ragnar. Ambio; August 2001; v.30, no.4-5, p.222-231.

Understanding the effects of harvesting willow ptarmigan Lagopus lagopus in Sweden. Willebrand, Tomas; Hornell, Maria. Wildlife Biology; September 2001; v.7, no.3, p.205-212.

Understanding the effects of harvesting willow ptarmigan Lagopus lagopus in Sweden. Willebrand, Tomas; Hornell, Maria. Wildlife Biology; September 2001; v.7, no.3, p.205-212.

Unexpected effects of climate change on the predation of Antarctic petrels. Van Franeker, Jan A.; Creuwels, Jeroen C. S.; Van Der Veer, Willem; Cleland, Sam; Robertson, Graham. Antarctic Science; December 2001; v.13, no.4, p.430-439.

University of Michigan Museum of Zoology. Payne, R. B. Zoologische Verhandelingen (Leiden); December 2001; no.335, p.229-234.

Unprecedented numbers of Red Crossbills in Bartow County. Beaton, Giff. Oriole; March-June 2001; v.66, no.1-2, p.18.

Unusual Harlequin Duck, Histrionicus histrionicus, nest site discovered in central Labrador. Chubbs, Tony E.; Mactavish, Bruce; Oram, Keith; Trimper, Perry G.; Knox, Kathy; Goudie, R. Ian. Canadian Field-Naturalist; January-March 2001; v.115, no.1, p.177-179.

Unusual leg malformations in screech owls from a South Carolina Superfund site. Albers, Peter H.; Hoffman, David J.; Brisbin, I. Lehr, Jr. Journal of Toxicology and Environmental Health Part A; May 25 2001; v.63, no.2, p.89-99.

Unusual migration mortality of King Eiders in central Baffin Island. Mallory, Mark L.; Gilchrist, H. Grant; Jamieson, Sarah E.; Robertson, Gregory J.; Campbell, Douglas G. Waterbirds; December 2001; v.24, no.3, p.453-456.

Upland sandpiper: Bartramia longicauda. Houston, C. Stuart; Bowen, Daniel E., Jr. Birds of North America; 2001; no.580, p.1-30.

Uropeltid snakes and their predators. Kumara, H. N.; Chaitra, M. S. Journal of the Bombay Natural History Society; August 2001; v.98, no.2, p.288-289.

USA. Saveraid, Erika Hasler; Debinski, Diane M.; Kindscher, Kelly; Jakubauskas, Mark E. Landscape Ecology; January 2001; v.16, no.1, p.71-83.

usable hollows. Whitford, K. R. CALMScience; May 2001; v.3, no.4, p.499-511.

Use of a simulated gizzard to measure bioavailability of metals and other elements to waterfowl. Levengood, Jeffrey M.; Skowron, Loretta M. Ecotoxicology; October 2001; v.10, no.5, p.299-304.

Use of acetaminophen for large-scale control of brown treesnakes. Savarie, Peter J.; Shivik, John A.; White, Gary C.; Hurley, Jerome C.; Clark, Larry. Journal of Wildlife Management; April 2001; v.65, no.2, p.356-365.

Use of artificially applied n-alkanes as markers for the estimation of digestibility, food selection and intake in pigeons (Columba livia). Hatt, J.-M.; Mayes, R. W.; Clauss, M.; Lechner-Doll, M. Animal Feed Science and Technology; 27 November 2001; v.94, no.1-2, p.65-76.

Use of biomarkers in earthworms to detect use and abuse of field applications of a model organophosphate pesticide. Booth, L. H.; Hodge, S.; O'Halloran, K. Bulletin of Environmental Contamination and Toxicology; November 2001; v.67, no.5, p.633-640.

Use of burrow entrance flaps to minimise interference to Chatham petrel (Pterodroma axillaris) chicks by broad-billed prions (Pachyptila vittata). Sullivan, Wendy; Wilson, Kerry-Jayne. New Zealand Journal of Ecology; August 2001; v.25, no.2, p.71-75.

Use of burrow entrance flaps to minimise interference to Chatham petrel (Pterodroma axillaris) chicks by broad-billed prions (Pachyptila vittata). Sullivan, Wendy; Wilson, Kerry-Jayne. New Zealand Journal of Ecology; August 2001; v.25, no.2, p.71-75.

Use of corridor-like landscape structures by bird and small mammal species. Bolger, Douglas T.; Scott, Thomas A.; Rotenberry, John T. Biological Conservation; December 2001; v.102, no.2, p.213-224.

Use of duckweed as a protein supplement for growing ducks. Men, Bui Xuan; Ogle, Brian; Lindberg, Jan Erik. Asian-Australasian Journal of Animal Sciences; December 2001; v.14, no.12, p.1741-1746.

Use of miniature security cameras to record behaviour of burrow-nesting birds. Masello, Juan F.; Pagnossin, Gabriel A.; Palleiro, Gaston E.; Quillfeldt, Petra. Vogelwarte; Dezember 2001; v.41, no.2, p.150-154.

Use of perches and nestboxes by laying hens in relation to social status, based on examination of consistency of ranking orders and

Use of red mangrove for nesting by snail kites in Florida. Dreitz, Victoria J.; Duberstein, Jamie A. Florida Field Naturalist; June 2001; v.29, no.2, p.49-50.

Use of serum biochemistry to evaluate nutritional status and health of incubating common eiders (Somateria mollissima) in Finland. Hollmen, Tuula; Franson, J. Christian; Hario, Martti; Sankari, Satu; Kilpi, Mikael; Lindstrom, Kai. Physiological and Biochemical Zoology; May-June 2001; v.74, no.3, p.333-342.

Use of tips by nesting Kelp Gulls at a growing colony in Patagonia. Bertellotti, Marcelo; Yorio, Pablo; Blanco, Guillermo; Giaccardi, Maricel. Journal of Field Ornithology; Summer 2001; v.72, no.3, p.338-348.

Use of treeless and forested habitat by Marbled Murrelets in south-central Alaska. Marks, Dennis K.; Kuletz, Katherine J. Waterbirds; August 2001; v.24, no.2, p.161-168.

Use of underwater playback to reduce the impact of eiders on mussel farms. Ross, B. P.; Lien, J.; Furness, R. W. ICES Journal of Marine Science; April 2001; v.58, no.2, p.517-524.

Using artificial fruits to evaluate fruit selection by birds in the field. Alves-Costa, Cecilia P.; Lopes, Ariadna Valentina. Biotropica; December 2001; v.33, no.4, p.713-717.

Using higher taxa to estimate species richness: Birds on New Zealand islands. Hodge, Simon; Frampton, Chris. Ibis; January 2001; v.143, no.1, p.146-148.

Using hydrogen isotope geochemistry to estimate the natal latitudes of immature Cooper's Hawks migrating through the Florida Keys. Meehan, Timothy D.; Lott, Casey A.; Sharp, Zachary D.; Smith, Ruth B.; Rosenfield, Robert N.; Stewart, Andrew C.; Murphy, Robert K. Condor; February 2001; v.103, no.1, p.11-20.

Using landscape-level data to predict the distribution of birds on a managed forest: Effects of scale. Mitchell, Michael S.; Lancia, Richard A.; Gerwin, John A. Ecological Applications; December 2001; v.11, no.6, p.1692-1708.

Using point counts to establish conservation priorities: How many visits are optimal? Siegel, Rodney B.; Desante, David F.; Nott, M. Philip. Journal of Field Ornithology; Spring 2001; v.72, no.2, p.228-235.

Using radar to estimate populations and assess habitat associations of marbled murrelets. Burger, Alan E. Journal of Wildlife Management; October 2001; v.65, no.4, p.696-715.

Using resampling to assess reliability of audio-visual survey strategies for Marbled Murrelets at inland forest sites. Jodice, Patrick G. R.; Garman, Steven L.; Collopy, Michael W. Waterbirds; December 2001; v.24, no.3, p.331-344.

Using stable isotopes to assess seasonal patterns of avian predation across a terrestrial-marine landscape. Harding, Elaine K.; Stevens, Emiko. Oecologia (Berlin); November 2001; v.129, no.3, p.436-444.

Utilization of wetlands by ardeids in Starling Inlet, Hong Kong: A year-round study and a comparison between the census and flight-line methods. Wong, L. C.; Corlett, Richard T.; Young, Lleweylln; Lee, Joe S. Y. Waterbirds; August 2001; v.24, no.2, p.153-160.

Value of fallow farmlands as summer habitats for waterbirds in a Japanese rural area. Fujioka, Masahiro; Armacost, James W., Jr.; Yoshida, Hoshiko; Maeda, Taku. Ecological Research; September 2001; v.16, no.3, p.555-567.

Value to wildlife of urban-agricultural parks: A case study from Rome Urban Area. Sorace, Alberto. Environmental Management; October 2001; v.28, no.4, p.547-560.

Value to wildlife of urban-agricultural parks: A case study from Rome Urban Area. Sorace, Alberto. Environmental Management; October 2001; v.28, no.4, p.547-560.

Variability in provisioning rates to nestlings in the cooperatively breeding Rufous Treecreeper, Climacteris rufa. Luck, Gary W. Emu; 2001; v.101, no.3, p.221-224.

Variability of patch type preferences in relation to resource availability and breeding success in a bird. Olsson, Ola; Wiktander, Ulf; Malmqvist, Andreas; Nilsson, Sven G. Oecologia (Berlin); May 2001; v.127, no.3, p.435-443.

Variable responses of seabirds to change in marine climate: California current, 1985-1994. Oedekoven, Cornelia S.; Ainley, David G.; Spear, Larry B. Marine Ecology Progress Series; March 8 2001; no.212, p.265-281.

Variant Yellow-bellied Sapsucker. Rinard, Susanna. Oriole; March-June 2001; v.66, no.1-2, p.17-18.

Variation in breeding success in Wilson's storm petrels: Influence of environmental factors. Quillfeldt, Petra. Antarctic Science; December 2001; v.13, no.4, p.400-409.

Variation in breeding success in Wilson's storm petrels: Influence of environmental factors. Quillfeldt, Petra. Antarctic Science; December 2001; v.13, no.4, p.400-409.

Variation in colour within a population of northern flickers: A new perspective on an old hybrid zone. Wiebe, K. L.; Bortolotti, G. R. Canadian Journal of Zoology; June 2001; v.79, no.6, p.1046-1052.

Variation in colour within a population of northern flickers: A new perspective on an old hybrid zone. Wiebe, K. L.; Bortolotti, G. R. Canadian Journal of Zoology; June 2001; v.79, no.6, p.1046-1052.

Variation in first year Ring-billed Gull. McLaughlin, Kevin A. Ontario Birds; December 2001; v.19, no.3, p.114-118.

Variation in growth of nestling tree swallows across multiple temporal and spatial scales. McCarty, John P. Auk; January 2001; v.118, no.1, p.176-190.

Variation in the diet of Ospreys Pandion haliaetus, Farasan islands, southern Red Sea: Preliminary observations. Fisher, Paul R.; Newton, Stephen F.; Tatwany, Hany M. A.; Goldspink, Chris R. Vogelwelt; 2001; v.122, no.3-4, p.205-218.

Variation of fuelling rates among sites, days and individuals in migrating passerine birds. Schaub, M.; Jenni, L. Functional Ecology; October 2001; v.15, no.5, p.584-594.

Variations in body condition and egg characteristics of female Kentish Plovers Charadrius alexandrinus. Amat, Juan A.; Fraga, Rosendo M.; Arroyo, Gonzalo M. Ardea; 2001; v.89, no.2, p.293-299.

Variations in calcium use by birds during the breeding season. Dhondt, Andre A.; Hochachka, Wesley M. Condor; August 2001; v.103, no.3, p.592-598.

Variations in calcium use by birds during the breeding season. Dhondt, Andre A.; Hochachka, Wesley M. Condor; August 2001; v.103, no.3, p.592-598.

Variations in cone photoreceptor abundance and the visual ecology of birds. Hart, Nathan S. Journal of Comparative Physiology A Sensory Neural and Behavioral Physiology; November 2001; v.187, no.9, p.685-697.

Vegetation abundance and diversity in relation to soil nutrients and soil water content in Vestfold Hills, East Antarctica. Leishman, Michelle R.; Wild, Christie. Antarctic Science; June 2001; v.13, no.2, p.126-134.

Vegetation and bird community dynamics in fragmented coppice forests. Deconchat, M.; Balent, G. Forestry (Oxford); 2001; v.74, no.2, p.105-118.

Vegetation of the Yellingbo Nature Conservation Reserve and its relationship to the distribution of the helmeted honeyeater, bell miner and white-eared honeyeater. Pearce, Jennie; Minchin, Peter R. Wildlife Research; 2001; v.28, no.1, p.41-52.

Verifying the origins of a reintroduced population of Gould's wild turkey. Mock, Karen E.; Theimer, Tad C.; Wakeling, Brian F.; Rhodes, Olin E., Jr.; Greenberg, David L.; Keim, Paul. Journal of Wildlife Management; October 2001; v.65, no.4, p.871-879.

Vertical stratification of figs and fig-eaters in a Bornean lowland rain forest: How is the canopy different? Shanahan, Mike; Compton, Stephen G. Plant Ecology; April 2001; v.153, no.1-2, p.121-132.

Vertical stratification of figs and fig-eaters in a Bornean lowland rain forest: How is the canopy different? Shanahan, Mike; Compton, Stephen G. Plant Ecology; April 2001; v.153, no.1-2, p.121-132.

viewpoint. Mensah-Brown, E. P. K.; Lawrence, P. A. Journal of Morphology; May 2001; v.248, no.2, p.175-184.

Vigilance and neighbour distance in foraging flocks of red-billed choughs, Pyrrhocorax pyrrhocorax. Rolando, Antonio; Caldoni, Riccardo; De Sanctis, Augusto; Laiolo, Paola. Journal of Zoology (London); February 2001; v.253, no.2, p.225-232.

Viktor Hamburger, a tribute. Brunso-Bechtold, Judy K. International Journal of Developmental Neuroscience; April 2001; v.19, no.2, p.151-153.

Village poultry production systems in the central highlands of Ethiopia. Dessie, Tadelle; Ogle, B. Tropical Animal Health and Production; December 2001; v.33, no.6, p.521-537.

Vireo song repertoires and migratory distance: Three sexual selection hypotheses fail to explain the correlation. Mountjoy, D. James; Leger, Daniel W. Behavioral Ecology; Jan.-Feb. 2001; v.12, no.1, p.98-102.

Visions of nature: Conflict and compatibility in urban park restoration. Gobster, Paul H. Landscape and Urban Planning; 1 September 2001; v.56, no.1-2, p.35-51.

Visual cues for suppressing isolation-induced distress calls in quail chicks. Hayashi, Isako; Ono, Yumiko; Matsushima, Toshiya. Zoological Science (Tokyo); November 2001; v.18, no.8, p.1065-1071.

Visual fields and foraging in procellariiform seabirds: Sensory aspects of dietary segregation. Martin, Graham R.; Prince, Peter A. Brain Behavior and Evolution; January 2001; v.57, no.1, p.33-38.

Visual responses of neurons in the pretectal nucleus lentiformis mesencephali to moving patterns within and beyond receptive fields in pigeons. Xiao, Quan; Cao, Peng; Gu, Yong; Wang, Shu-Rong. Brain Behavior and Evolution; February 2001; v.57, no.2, p.80-86.

Visual signals for individual identification: The silent "song" of Ruffs. Lank, David B.; Dale, James. Auk; July 2001; v.118, no.3, p.759-765.

Vocal behaviour of the Common Koel, Eudynamys scolopacea, and implications for mating systems. Maller, Cecily J.; Jones, Darryl N. Emu; 2001; v.101, no.2, p.105-112.

Vocal communication and territoriality during the non-breeding season in a migrant warbler. Katti, Madhusudan. Current Science (Bangalore); 10 February 2001; v.80, no.3, p.419-423.

Vocal evidence of species rank for nominate Unicolored Tapaculo Scytalopus unicolor. Coopmans, Paul; Krabbe, Niels; Schulenberg, Thomas S. Bulletin of the British Ornithologists' Club; September 2001; v.121, no.3, p.208-213.

Vocal mimicry in distress calls of Phainopeplas. Chu, Miyoko. Condor; May 2001; v.103, no.2, p.389-395.

Vocal syntax development in the white-crowned sparrow (Zonotrichia leucophrys). Soha, Jill A.; Marler, Peter. Journal of Comparative Psychology; June 2001; v.115, no.2, p.172-180.

Waders with non-breeding plumage in the breeding season. Chandler, R. J.; Marchant, J. H. British Birds; January 2001; v.94, no.1, p.28-34.

Was high grouse bag in early 20th century Norway due to a program for extermination of small game predators? Smedshaug, Christian A. Ecography; October 2001; v.24, no.5, p.579-587.

Water temperature sampling by foraging Brunnich's Guillemots with bird-borne data loggers. Watanuki, Yutaka; Mehlum, Fridtjof; Takahashi, Akinori. Journal of Avian Biology; June 2001; v.32, no.2, p.189-193.

Waterbird assemblages and associated habitat characteristics of farm ponds in the Western Cape, South Africa. Froneman, Albert; Mangnall, Michael J.; Little, Robin M.; Crowe, Timothy M. Biodiversity and Conservation; February 2001; v.10, no.2, p.251-270.

Waterbird richness in altiplano wetlands of northwestern Argentina. Caziani, Sandra M.; Derlindati, Enrique J.; Talamo, Andres; Sureda, Ana L.; Trucco, Carlos E.; Nicolossi, Guillermo. Waterbirds; April 2001; v.24, no.1, p.103-117.

Waterbird use of a hydrologically altered river system. Melvin, Stefani L. Florida Field Naturalist; February 2001; v.29, no.1, p.1-12.

Waterfowl wintering in Moscow (1985-1999): Dependence on air temperatures and the prosperity of the human population. Avilova, Ksenia V.; Eremkin, Grigoriy S. Acta Ornithologica (Warsaw); Summer 2001; v.36, no.1, p.65-71.

Waterfowl wintering in Moscow (1985-1999): Dependence on air temperatures and the prosperity of the human population. Avilova, Ksenia V.; Eremkin, Grigoriy S. Acta Ornithologica (Warsaw); Summer 2001; v.36, no.1, p.65-71.

Watering of Double-crested Cormorant chicks. Kuiken, Thijs. Blue Jay; June 2001; v.59, no.2, p.73-77.

Weekly update: West Nile virus activity - United States, November 7-13, 2001. Centers for Disease Control (USA) Morbidity and Mortality Weekly Report; November 16 2001; v.50, no.45, p.1013-1014.

Weekly update: West Nile virus activity - United States, October 3-9, 2001. Centers for Disease Control (USA) Morbidity and Mortality Weekly Report; October 12 2001; v.50, no.40, p.876-877.

Weekly update: West Nile virus activity - United States, October 24-30, 2001. Centers for Disease Control (USA). Morbidity and Mortality Weekly Report; November 2 2001; v.50, no.43, p.959.

Weekly update: West Nile Virus activity - United States, September 19-25, 2001. Centers for Disease Control (USA). Morbidity and Mortality Weekly Report; September 28 2001; v.50, no.38, p.830.

Weekly update: West Nile virus activity United States, October 31-November 6, 2001. Centers for Disease Control and Prevention. Morbidity and Mortality Weekly Report; November 9 2001; v.50, no.44, p.983.

Weekly update: West nile virus activity United States, September 12-18, 2001. Centers for Disease Control (USA). Morbidity and Mortality Weekly Report; September 21 2001; v.50, no.37, p.805.

Weekly update: West Nile Virus activity United States, September 26October 2, 2001. Centers for Disease Control (USA). Morbidity and Mortality Weekly Report; October 5 2001; v.50, no.39, p.857.

West Nile virus surveillance in Romania: 1997-2000. Ceianu, C. S.; Ungureanu, A.; Nicolescu, G.; Cernescu, C.; Nitescu, L.; Tardei, G.; Petrescu, A.; Pitigoi, D.; Martin, D.; Ciulacu-Purcarea, V.; Vladimirescu, A.; Savage, H. M. Viral Immunology; 2001; v.14, no.3, p.251-262.

Western Capercaillie captures in snares. Cosgrove, Peter; Oswald, Jimmy. Scottish Birds; June 2001; v.22, no.1, p.28-30.

Western Screech-Owl: Otus kennicottii. Cannings, Richard J.; Angell, Tony. Birds of North America; 2001; no.597, p.1-19.

Westland Petrels and the Hoki fishery: Determining co-occurrence using satellite telemetry. Freeman, A. N. D.; Wilson, K.-J.; Nicholls, D. G. Emu; 2001; v.101, no.1, p.47-56.

What does 'fledging' mean? Middleton, Alex L. A.; Prigoda, Elena. Ibis; April 2001; v.143, no.2, p.296-298.

What's bugging brood parasites? Clayton, Dale H.; Johnson, Kevin P. Trends in Ecology & Evolution; January 2001; v.16, no.1, p.9-10.

What's hot and what's not: Defining torpor in free-ranging birds and mammals. Barclay, Robert M. R.; Lausen, Cori L.; Hollis, Lydia. Canadian Journal of Zoology; October 2001; v.79, no.10, p.1885-1890.

Where protection is not enough: Active conservation in New Zealand. Clout, Mick. Trends in Ecology & Evolution; August 2001; v.16, no.8, p.415-416.

White blood cell counts in house sparrows (Passer domesticus) before and after moult and after testosterone treatment. Nava, Maria Paz; Veiga, Jose Pablo; Puerta, Marisa. Canadian Journal of Zoology; January 2001; v.79, no.1, p.145-148.

White storks Ciconia ciconia on migration. Johnson, J. Mangalaraj Journal of the Bombay Natural History Society; August 2001; v.98, no.2, p.275-276.

White-crowned Pigeon: Columba leucocephala. Bancroft, G. Thomas; Bowman, Reed. Birds of North America; 2001; no.596, p.1-23.

Whitethroat Sylvia communis and Yellowhammer Emberiza citrinella nesting success and breeding distribution in relation to field boundary vegetation. Stoate, Chris; Szczur, John. Bird Study; July 2001; v.48, no.2, p.229-235.

Whole blood concentrations of organochlorines as a dose metric for studies of the glaucous gull (Larus hyperboreus). Bustnes, Jan O.; Skaare, Janneche U.; Erikstad, Kjell E.; Bakken, Vidar; Mehlum, Fritjof. Environmental Toxicology and Chemistry; May 2001; v.20, no.5, p.1046-1052.

Why behavioural responses may not reflect the population consequences of human disturbance. Gill, Jennifer A.; Norris, Ken; Sutherland, William J. Biological Conservation; February 2001; v.97, no.2, p.265-268.

Why birds cannot be smaller than bees. Ahlborn, Boye; Blake, Robert W. Canadian Journal of Zoology; September 2001; v.79, no.9, p.1724-1726.

Why do birds sleep with one eye open? Light exposure of the chick embryo as a determinant of monocular sleep. Mascetti, Gian Gastone; Vallortigara, Giorgio. Current Biology; 26 June 2001; v.11, no.12, p.971-974.

Why do few Afro-Siberian Knots Calidris canutus canutus now visit Britain? Boyd, Hugh; Piersma, Theunis. Bird Study; July 2001; v.48, no.2, p.147-158.

Why do flowers of a hummingbird-pollinated mistletoe face down? Tadey, M.; Aizen, M. A. Functional Ecology; December 2001; v.15, no.6, p.782-790.

Why does the lesser grey shrike (Lanius minor) seldom store food? Determinants of impaling in an uncommon storing species. Valera, Francisco; Kristin, Anton; Hoi, Herbert. Behaviour; December 2001; v.138, no.11-12, p.1421-1436.

Why have birds in the woodlands of Southern Australia declined? Ford, Hugh A.; Barrett, Geoffrey W.; Saunders, Denis A.; Recher, Harry F. Biological Conservation; January 2001; v.97, no.1, p.71-88.

Why so many kinds of passerine birds? Olson, Storrs L. Bioscience; April 2001; v.51, no.4, p.268-269.

Widespread loss of sexually selected traits: How the peacock lost its spots. Wiens, John J. Trends in Ecology & Evolution; September 2001; v.16, no.9, p.517-523.

Widespread loss of sexually selected traits: How the peacock lost its spots. Wiens, John J. Trends in Ecology & Evolution; September 2001; v.16, no.9, p.517-523.

Wild birds as a possible natural reservoir of Borna disease virus. Berg, M.; Johansson, M.; Montell, H.; Berg, A.-L. Epidemiology and Infection; August 2001; v.127, no.1, p.173-178.

Wildlife as sentinels of human health effects in the Great Lakes-St. Lawrence basin. Fox, Glen A. Environmental Health Perspectives; December 2001; v.109, no.Supplement 6, p.853-861.

Wildlife responses to pedestrians and dogs. Miller, Scott G.; Knight, Richard L.; Miller, Clinton K. Wildlife Society Bulletin; Spring 2001; v.29, no.1, p.124-132.

Wildlife Society Bulletin; Spring 2001; v.29, no.1, p.218-231.

Will drilling for oil disrupt the Arctic National Wildlife Refuge? Pelley, Janet. Environmental Science & Technology; June 1 2001; v.35, no.11, p.241A-247A.

Willet: Catoptrophorus semipalmatus. Lowther, Peter E.; Douglas, Hector D., III; Gratto-Trevor, Cheri L. Birds of North America; 2001; no.579, p.1-31.

Willow flycatcher (Empidonax traillii) surveys in the Colorado River delta: Implications for management. Garcia-Hernandez, Jaqueline; Hinojosa-Huerta, Osvel; Gerhart, Vanda; Carrillo-Guerrero, Yamilett; Glenn, Edward P. Journal of Arid Environments; September 2001; v.49, no.1, p.161-169.

Wilson Bulletin; June 2001; v.113, no.2, p.243-245.

Wing moult in relation to autumn migration in adult Common Whitethroats Sylvia communis communis. Hall, K. Susanna S.; Fransson, Thord. Ibis; October 2001; v.143, no.4, p.580-586.

Wing moult in relation to autumn migration in adult Common Whitethroats Sylvia communis communis. Hall, K. Susanna S.; Fransson, Thord. Ibis; October 2001; v.143, no.4, p.580-586.

Winter age ratios and the assessment of recruitment of Harlequin Ducks. Smith, Cyndi M.; Goudie, R. Ian; Cooke, Fred. Waterbirds; April 2001; v.24, no.1, p.39-44.

Winter diet of Dusky-legged Guan (Penelope obscura) at the Parana River Delta Region. Merler, Jorge A.; Diuk-Wasser, Maria A.; Quintana, Ruben D. Studies on Neotropical Fauna and Environment; April 2001; v.36, no.1, p.33-38.

winter grounds. Svensson, Lars. Bulletin of the British Ornithologists' Club; December 2001; v.121, no.4, p.281-296.

Winter habitat selection by a montane forest bird assemblage: The effects of solar radiation. Huertas, Daniel L.; Diaz, Jose A. Canadian Journal of Zoology; February 2001; v.79, no.2, p.279-284.

Winter report: December 2000-February 2001. Pranty, Bill Florida Field Naturalist; September 2001; v.29, no.3, p.100-112.

Winter roosting behavior of American Kestrels. Ardia, Daniel R. Journal of Raptor Research; March 2001; v.35, no.1, p.58-61.

Winter site fidelity of Prairie Warblers in the Dominican Republic. Latta, Steven C.; Faaborg, John. Condor; August 2001; v.103, no.3, p.455-468.

Winter survival and home range of female ring-necked pheasant in relation to food plots. Gabbert, Andy E.; Purvis, Jon R.; Flake, Lester D.; Leif, Anthony P. Prairie Naturalist; March 2001; v.33, no.1, p.31-40.

with the melanic plumage morph of the bananaquit, Coereba flaveola. Theron, Emmalize; Hawkins, Kim; Bermingham, Eldredge; Ricklefs, Robert E.; Mundy, Nicholas I. Current Biology; 17 April 2001; v.11, no.8, p.550-557.

Within-clutch repeatability of egg dimensions in the jackdaw Corvus monedula: A study based on a museum collection. Tryjanowski, Piotr; Kuczynski, Lechoslaw; Antczak, Marcin; Skoracki, Maciej; Hromada, Martin. Biologia (Bratislava); April 2001; v.56, no.2, p.211-215.

Within-season nest-site fidelity in Eastern Bluebirds: Disentangling effects of nest success and parasite avoidance. Stanback, Mark T.; Dervan, Anne A. Auk; July 2001; v.118, no.3, p.743-745.

Within-session changes in responding during concurrent variable interval variable ratio schedules. McSweeney, Frances K.; Murphy, Eric S.; Kowal, Benjamin P. Behavioural Processes; September 3 2001; v.55, no.3, p.163-179.

Woodland area, species turnover and the conservation of bird assemblages in lowland England. Mason, Christopher F. Biodiversity and Conservation; April 2001; v.10, no.4, p.495-510.

Woodpecker abundance in a logged (40 years ago) vs. unlogged lowland dipterocarp forest in Peninsular Malaysia. Styring, A. Robinson; Ickes, Kalan. Journal of Tropical Ecology; March 2001; v.17, no.2, p.261-268.

Woodpeckers as indicators of forest bird diversity. Mikusinski, Grzegorz; Gromadzki, Maciej; Chylarecki, Przemyslaw. Conservation Biology; February 2001; v.15, no.1, p.208-217.

Wu's genic view of speciation. Mayr, E. Journal of Evolutionary Biology; November 2001; v.14, no.6, p.866-867.

Yellow-bellied Flycatcher: Empidonax flaviventris. Gross, Douglas A.; Lowther, Peter E. Birds of North America; 2001; no.566, p.1-19.

Yellow-billed malkohas (Phaenicophaeus calyorhynchus) following moor macaques (Macaca maurus) in South Sulawesi, Indonesia. Matsumura, Shuichi. Journal of Tropical Ecology; July 2001; v.17, no.4, p.619-623.

Yellow-breasted Chat: Icteria virens. Eckerle, Kevin P.; Thompson, Charles F. Birds of North America; 2001; no.575, p.1-28.

Yolk steroids and the development of the hatching muscle in nestling European Starlings. Lipar, Joseph L. Journal of Avian Biology; September 2001; v.32, no.3, p.231-238.