Warbla · Library
Red-breasted Merganser
Mergus serrator · Family Anatidae
Mergus serrator
Family Anatidae
- Order
- Anseriformes
- Family
- Anatidae
- GBIF occurrence records
- 3,947,220
- Countries and territories with records
- 107
About this species
This species has 3,947,220 occurrence records from 107 countries and territories (GBIF, 21 October 2026). Most records come from the United States (47.4%), Canada (14.7%), Sweden (10.8%), Norway (10.5%) and Denmark (6.3%); together they account for 89.7% of the total. In the United States, this species accounts for 0.17% of all bird records in GBIF.
The scientific name Mergus serrator combines the genus name Mergus with the species epithet serrator. The Warbla app catalog lists 4 species of the genus Mergus; apart from this one, those with the most GBIF records are Mergus merganser, Mergus squamatus and Mergus octosetaceus.
The catalog has GBIF record counts for 162 species of the family Anatidae. This species ranks 14th among them; the family’s most-recorded species is Anas platyrhynchos. Its record count is 3.1 times the family average (1,269,675). The family Anatidae belongs to the order Anseriformes, which has 166 species in the Warbla app catalog.