Ducks, Geese, and Swans of North America - Baldassarre Guy - Pevná vazba

Ducks, Geese, and Swans of North America has been hailed as a classic since the first edition was published in 1942. A must-have for professional biologists, birders, waterfowl enthusiasts, and wildlife managers, this fully revised and updated edition provides definitive information on the continent's forty-six species, includes maps of both winter and breeding ranges, showcases stunning images by top waterfowl photographers, and retains the acclaimed artwork by Robert W. (Bob) Hines. Originally authored by F. H. Kortright and later revised by Frank Bellrose, this latest edition, which has been meticulously revised and updated by renowned waterfowl biologist Guy Baldassarre, continues the legacy of esteemed authors. Each species account contains a synopsis and in-depth sections on: identification; distribution; migration behavior; habitat; population status; breeding biology; rearing of young; recruitment and survival; food habits and feeding ecology; molts and plumages; and, conservation and management. To facilitate identification, the species accounts also include detailed illustrations of the birds and their wings, stunning photographs, and helpful distribution maps.The two appendixes contain a map of important waterfowl areas in North America and illustrations of the various ducklings, goslings, and cygnets. This edition of Ducks, Geese, and Swans consists of two volumes, printed in full color, and packaged in a slipcase, along with a CD containing references and additional maps.