Written and illustrated by David Allen Sibley, America's most widely respected bird illustrator and ornithologist, these FoldingGuides offer instant access to just what birders need to know. Includes 50 species of dabbling and diving ducks, swans, geese,
Written and illustrated by David Allen Sibley, America's most widely respected bird illustrator and ornithologist, these FoldingGuides offer instant access to just what birders need to know. Includes 50 species of dabbling and diving ducks, swans, geese, and duck-like species-- both common and exotic- found east of the Rockies.
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