Common eider, St. Cuthbert's duck (Somateria mollissima)

Somateria mollissima is a species in the Somateria genus. It is commonly known as Common eider, St. Cuthbert's duck This name is unplaced name for the species in the family Anatidae subfamily Anatinae, tribe Mergini, . . This species is found in northern coasts of Europe, North America and eastern Siberia.