Common Eider

Somateria mollissima

IUCN: Near Threatened

Taxonomy

Order
Anseriformes
Family
Anatidae
Genus
Somateria
eBird Code
comeid

Subspecies (6)

  • Somateria mollissima borealis

    breeds northeastern arctic Canada, Greenland, and Iceland to Franz Josef Land; winters from Iceland and southern Greenland to the Maritime Provinces (Canada)

  • Somateria mollissima dresseri

    breeds coastal Labrador to Maine; winters to Long Island, New York

  • Somateria mollissima faeroeensis

    resident, Faroe, Shetland, and Orkney islands, and Outer Hebrides (western Scotland)

  • Somateria mollissima mollissima

    breeds coasts of northwestern Eurasia; winters to coastal southern France

  • Somateria mollissima sedentaria

    resident, coasts and islands of Hudson Bay to James Bay

  • Somateria mollissima v-nigrum

    breeds Arctic coasts of northeastern Siberia to Alaska and southern British Columbia; winters to Bering Sea and Aleutian Islands

Data Sources

Taxonomy data from AviList 2025.