Sibley's Ducks, Geese, & Swans of Eastern North America

Written and illustrated by David Allen Sibley, America's most widely respected bird illustrator and ornithologist, this FoldingGuide™ offers instant access to just what the beginning birdwatcher and duck hunter needs to know. 50 species are covered, including dabbling ducks, diving ducks, swans, geese, and duck-like species. Each entry includes multiple illustrations, descriptive captions, size, range, and seasonal presence.