His paintings have been exhibited at the National Geographic Society's Explorers Hall, American Museum of Natural History, California Academy of Sciences, Carnegie Museum, Royal Scottish Academy, Glicrease Museum, North Carolina Museum of Natural Sciences and many other museums and galleries throughout the United States. Since 1979, his work has been included in 21 Leigh Yawkey Woodson Art Museum" Birds In Art" exhibitions, and in 1994 the Museum conferred upon Sloan the honor of Master Wildlife Artist. In March 2002 at the invitational, juried exhibition" Impressions of Bonnet House" in Ft. Lauderdale, FL he was given the Peoples Choice Award.

His work is included in the permanent collections of the Smithsonian Institution, Leigh Yawkey Woodson Art Museum, Illinois State Museum, Denver Museum of Natural History, North Carolina Museum of Natural Sciences and private collections throughout the United States, Canada, South America, Europe and Japan.

He has been commissioned by The World Wildlife Fund to design postage stamps and first day covers for Trinidad, Tobago, Guatemala, the Philippines and the Falkland Islands.

In Spring of 1998, the University of Arizona Press published The Raptors of Arizona, a 220-page volume on the birds of prey of the Southwest, featuring 42 Sloan paintings. Richard Sloan's work appears in many other books, including Wildlife Art / More Paintings of the Modern Masters and The Best of Wildlife Art, volumes 1&2.