Birds Likely to be Observed in Oregon
Lesser Scaup

Location in Oregon
Blue is Winter range - Red is Summer range
Purple is Year-round range - Yellow is Migration range

Lesser Scaup range

Lesser Scaup

Aythya affinis - Abundant, especially inland. White wing stripe is shorter than Greater scaup. At very close range the smaller "nail" with narrow black area at the tip of the shorter and flatter bill is diagnostic. Call, scaup.


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