| Common merganser Temporal range:
| |
|---|---|
| |
| M. m. merganser, male in Sandwell, England | |
| |
| M. m. americanus, female | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Aves |
| Order: | Anseriformes |
| Family: | Anatidae |
| Genus: | Mergus |
| Species: | M. merganser
|
| Binomial name | |
| Mergus merganser | |
| Subspecies | |
|
3, see text | |
| |
| M. merganser range Breeding Resident Passage Non-breeding
| |
| Synonyms | |
|
Merganser americanus Cassin, 1852 | |
The common merganser (North American) or goosander (Eurasian) (Mergus merganser) is a large sea duck of rivers and lakes in forested areas of Europe, Asia, and North America. The common merganser eats mainly fish. It nests in holes in trees.
- ^ BirdLife International (2018). "Mergus merganser". IUCN Red List of Threatened Species. 2018: e.T22680492A132054083. doi:10.2305/IUCN.UK.2018-2.RLTS.T22680492A132054083.en. Retrieved 13 November 2021.