Sibleys Ducks, Geese and Swans of Western North America

Written and illustrated by David Allen Sibley, America's most widely respected bird illustrator and ornithologist, this Folding Guide offers instant access to just what birdwatchers need to know. 50 water bird birds are covered: dabbling ducks, diving ducks, geese, swan, and other domestic waterfowl. Each entry includes descriptive caption, size, range map, seasonal occurrence, and multiple illustrations, all taken from the award-winning The Sibley Guide to Birds, 2nd Edition.