"Covering 20 species recognized since 2002 and including 13 new color plates, this fully revised edition of Mammals of North America illustrates all 462 known mammal species in the United States and Canada - each in beautiful color and accurate detail. With a more up-to-date species list than any other guide, improved facing-page descriptions, easier-to-read distribution maps, updated common and scientific names, and track and scat illustrations,...

Roland W. Kays is the curator of mammals at the New York State Museum. Don E. Wilson is a senior scientist at the Smithsonian Institution's National Museum of Natural History. His books include The Smithsonian Book of North American Mammals and Mammal Species of the World. The best field guide to North American mammals The best-selling field guide that "sets new standards" (New Scientist) and "makes all other field guides for mammals of the United...