Field signs. The head and upper neck black dorsal side bluish-gray, the rest of the body of the white plumage; outdoor fan first priority mahovogo black pen, Vershinine part makhovaya white feathers. Do birds in the winter operenii head of white with black pestrinami. Young birds dorsal side brown with white plumes on kaemkami; mahovye primary feathers, black with white spots extended; first mahovoe with white spots, steering feathers with black ends. A bird in the interim naryadah between the first and final number in black on makhovaya plumes gradually declining. Wing 280-327 mm (Ivanov, Shtegman, 1978). Distribution. Northern Black Sea coast and nearby islands (Orlov, Babin, Dzharylgach, Verblyudka, Biryuchy etc.), Milk estuary on the Azov Sea, Chograyskoe Reservoir on the east Manyche and in-Kuralayd off the western coast of Estonia. Asia Minor, Greece, Dobrudzha (Romania), Hungary, Netherlands (Ivanov, Shtegman, 1978). References. |
