Canvasback (Aythya valisineria)
From the U.S. Fish and Wildlife Service's online digital media library.
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Alternative Title: Aythya valisineria
Creator: Vinge, William
Publisher: U.S. Fish & Wildlife Service
Contributor: DIVISION OF PUBLIC AFFAIRS
Language: EN - ENGLISH
Rights: (public domain)
Subject: duck, waterfowl, wetland, wildlife, bird
Date Issued: January 17 2002