Greater Scaup (Aythya marila)

order Anseriformes: ducks, geese & swans

family Anatidae: ducks, geese & swans

Greater Scaup #01, Alameda County California January 2010

Greater Scaup #00, Alameda County California December 2007

all photographs Copyright © Douglas Herr

last updated 22 May 2025

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