Field signs. Very similar to previous type and different parts of the following colors: ispod wing gray rather than white, the top of the priority makhovaya black feathers with white tips, red legs. Young birds do not have a black stripe on the wing, steering white feathers with black tips. Wing 290-325 mm (Ivanov, Shtegman, 1978). Distribution. O-wah and the Middle Pribylova, zaletnye in Alaska. Commander of the Islands; zaletnye in Kamchatka, in the lower reaches of Anadyr and Chukotka p-Ove (Ivanov, Shtegman, 1978). References. |
