Warbla · Library
Common Merganser
Mergus merganser · Family Anatidae
Mergus merganser
Family Anatidae
- Order
- Anseriformes
- Family
- Anatidae
- GBIF occurrence records
- 5,703,523
- Countries and territories with records
- 86

About this species
This species has 5,703,523 occurrence records from 86 countries and territories (GBIF, 21 October 2026). Most records come from the United States (43.7%), Canada (18.8%), Sweden (15%), Denmark (4.2%) and the Netherlands (4%); together they account for 85.7% of the total. In the United States, this species accounts for 0.22% of all bird records in GBIF.
The scientific name Mergus merganser combines the genus name Mergus with the species epithet merganser. The Warbla app catalog lists 4 species of the genus Mergus; apart from this one, those with the most GBIF records are Mergus serrator, Mergus squamatus and Mergus octosetaceus.
The catalog has GBIF record counts for 162 species of the family Anatidae. This species ranks 9th among them; the family’s most-recorded species is Anas platyrhynchos. Its record count is 4.5 times the family average (1,269,675). The family Anatidae belongs to the order Anseriformes, which has 166 species in the Warbla app catalog.