Lesser Scaup
NameLesser Scaup
Common NameLesser Scaup
Scientific NameAythya affinis
FamilyAnatidae
Wingspan (cm)73
Length (cm)43
Weight (g)950
Plumage DetailsAdult males have a glossy purplish-black head, neck, and chest, bright yellow eyes, and a blue-gray bill with a black tip. Their back is finely vermiculated gray, and their flanks are white. Females are duller brown overall with a white patch at the base of the bill and duller yellow eyes.
Vocalization / CallGenerally quiet, males produce soft whistles or purrs during courtship. Females may give a harsh 'arrr' or 'karrr' when disturbed.
Primary Dietomnivore
Primary Habitatswetland, coastal
Conservation Statusleast-concern
Geographic RangeBreeds across Alaska, Canada, and the northern United States. Winters primarily in the southern United States, Mexico, Central America, and the Caribbean.
Identifying FeaturesPeaked head shape (especially in males), Bright yellow eyes, Blue-gray bill with black tip, Finely barred gray back, White flanks, Prominent white wing stripe visible in flight
Description
The Lesser Scaup is a small diving duck with a distinctive peaked head shape and bright yellow eyes. Males feature a glossy purplish-black head and chest, a gray back, and white flanks, while females are duller brown with a white patch at the base of the bill.
