Other Names: none
Distribution: Bering Sea in summer; Scandinavia and the Baltic Sea in winter.
Size: 43-47 cm in length.
Plumage: Males are pale chestnut below and boldly contrasting black and white above. The head is white with a black ring around the eye and a small black and green crest on the neck. Females are rich mottled brown all over. Both sexes have a speculum like that of a mallard; purple, bordered on both sides with white. The eyes and beak are black.