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Greater Scaup
Aythya marila
Order
ANSERIFORMES
– Family
ANATIDAE
Authors: Kessel, Brina, Deborah A. Rocque, and John S. Barclay

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Adult Greater Scaup, male (Right), female (L); Anchorage, AK; 2 June 2005.
Adult Greater Scaup, male (Right), female (L); Anchorage, AK; 2 June 2005.
Adult female Greater Scaup; Coronado, CA
Adult female Greater Scaup; Coronado, CA