Canvasback
Aythya valisineria
(L 21" WS 29" Wt 2.7 lb)
Preferred food is wild celery,
Valisneria americana ...hence
its name.
Valisneria americana ...hence
its name.
Independence Grove
Libertyville
23Mar2013
Ducks are flightless when molting
...leading to the expression by
hunters of “a sitting duck”.
...leading to the expression by
hunters of “a sitting duck”.
(Thor Hansen)
Aythya in Greek is a seabird
mentioned by Aristotle,
Hesychius et al.
mentioned by Aristotle,
Hesychius et al.
© Audubon
Society
Society
© Wikipedia