photographs by Douglas Herr
family Anatidae: Canvasback (Aythya valisineria)

Canvasback #00, male, Alameda County California - December 2010
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Canvasback #01, female, Alameda County California - December 2010
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Canvasback #03, male, Alameda County California - December 2010
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all photographs Copyright (C) Douglas Herr
last updated 17 February 2023