Warbla

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Lesser Scaup

Aythya affinis · Family Anatidae

Aythya affinis

Family Anatidae

Order
Anseriformes
Family
Anatidae
GBIF occurrence records
2,789,193
Countries and territories with records
73
Lesser Scaup
Basar · Aythya affinis.JPG · CC BY-SA 3.0 · Basar · CC BY-SA 3.0 · Wikimedia Commons · Recordings may be trimmed and re-encoded; photos are cropped and resized.

About this species

This species has 2,789,193 occurrence records from 73 countries and territories (GBIF, 21 October 2026). Most records come from the United States (81%) and Canada (16.7%); together they account for 97.7% of the total. In the United States, this species accounts for 0.2% of all bird records in GBIF.

The scientific name Aythya affinis combines the genus name Aythya with the species epithet affinis. The Warbla app catalog lists 10 species of the genus Aythya; apart from this one, those with the most GBIF records are Aythya fuligula, Aythya collaris and Aythya ferina.

The catalog has GBIF record counts for 162 species of the family Anatidae. This species ranks 22nd among them; the family’s most-recorded species is Anas platyrhynchos. Its record count is 2.2 times the family average (1,269,675). The family Anatidae belongs to the order Anseriformes, which has 166 species in the Warbla app catalog.

More birds in the family Anatidae

Credits & data sources