Field signs. Spinnaya side black and brown; on the forehead of sultanchik bent forward narrow feathers; ventral side evenly smoky, slightly darker at the throat. Beak orange-red with yellow and orange tip blyashkoy in the corner of the mouth. Do birds in the winter operenii yellow beak, no plaque and plate, cover podklyuve, sultanchik on the forehead shorter. Young birds are similar to winter adult, but lighter colored, eye their whitish spot. Wing 130-145 mm (Ivanov, Shtegman, 1978). Distribution. Coastal cliffs. Chukotka Peninsula to Cape Ynchoun to the Gulf Cross, on-wah Verhoturova Kichiginskom in the Gulf of Islands Diomida, Discovery in St. Jonah and the Kuril Islands from about Onekotana to Iturupa. At kochevkah - at about Wrangel Island in the Gulf of Anadyr, the Ayana, Shantarskih on-the WWII, at the southern Sakhalin and the Bay of Peter the Great (Ivanov, Shtegman, 1978). References. |
