Field signs. The head, neck and tail and white belly, back and wings are black and brown or brown-aspidno; birds in the winter operenii on the back of his head brown pestriny; mahovye feathers with light konchikami at 1-m (very long) priority over mahovom to the top of the white spot, missing the young birds. Young birds burovatye, darker in color on the dorsal side, with pestrinami; tail with a dark marble figure, is gradually disappearing in subsequent naryadah. Wing 394-450 mm (Ivanov, Shtegman, 1978). Distribution. Coasts and islands Onega Gulf of Alaska and the White Sea, Onega and Ladoga lake, Lake Karelia (Ivanov, Shtegman, 1978). References. |
