Warbla · Library
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

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.