AYTFERxAYTVAL

 

Bird Identification Guide Sébastien Reeber

 

Wildfowl of Europe, Asia and North America

 

Waterfowl of North America, Europe & Asia

Common Pochard Aythya ferina x Canvasback Aythya valisineria

Adult male (def. basic)

Adult female (def. basic)

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