islands on Sea of Okhotsk.
Available genetic data insufficient to allow determination of this species’ closest relatives#R. There is a rare dark morph, as shown by an adult female at the zoological park in Berlin that was all dark brown apart from the white tail, its parents being of the normal plumage#R; this dark morph was originally described as race “niger” of S Ussuriland and Korea#R, not known in wild or in captivity for five decades or more. Monotypic.
Coastal regions along W Bering Sea S of Paul’s Bay (Koryakland), and around Sea of Okhotsk; winters S to Ussuriland, Korea and Japan (Hokkaido and N Honshu).
Food and feeding
Status and conservation
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