Lesser Scaup
(Aythya affinis)

Photographed in Palo Alto California, by Nancy McMeekan (left shot) and Jim Rosso (right shot) bottom shot was shot in Austin, Texas.)

 

Comparison between Lesser and Greater Scaup

Bottom photo was shot in Austin, Texas

Anseriformes
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Other members of the genus Aythya: Greater Scaup Ring-necked Duck Canvasback Redhead Tufted Duck
Lesser Scaup