Longstreet Highroad Guide to the Chesapeake Bay
By Deane Winegar
The wedge-shaped head and bill profile distinguish the canvasback (Aythya valisineria) from the redhead duck (Aythya americana). The webbed feet are near the rear of this pochard, or diving duck, enabling it to swim underwater with ease. However, what helps it underwater is a hindrance on land—a characteristic that keeps the ungainly canvasback from straying far from water’s edge.
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