Field signs. Melky goose - a little more big ducks. From afar it seems a black front, rear and bottom of whitish. Neck visible white stripe. Weight 1,4-1,7 kg. The flight is rather heavy, but fast. During migrations flock flies wavy line or close disordered gaggle low over the ground. The voice - soft, slightly nasal "Ong Ong. .. ... ". Bird near bay Rights (Syroechkovsky, Rogacheva, 1980). Distribution. Melky Holarctic goose, a characteristic denizen of Arctic coasts of Eurasia, including in Central Siberia. To the east to the mouth Hatangi meets western subspecies (B. b. bernicla L., 1758) (Rogacheva, 1988). Cluster habitat types rigidly pegged to the area of the polar deserts and Arctic tundra subzone in the Maritime part in more good years in the Taimyr black goose nest and a bit south, in transition, from the Arctic to the typical tundra, to the south to about 73 ° N (Vronsky, 1986). Typical inmate Severnaya Zemlya, which nest on the islands Bolshevik, the October Revolution, Komsomolets, the archipelago Sedov, possibly on the island of Pioneer (Belikov, Randla, 1987). Breeds also on the northern coast of Taimyr. In the first half of the twentieth century. Were known nesting of the Yenisei Gulf to the south to 72 ° 30 'N and East Taimyr - to the south to 74 ° N (Tugarinov, Buturlin, 1911; Scalon, 1938). In addition, vyvodki were found on the southern shore of Lake Taimyr (Tugarinov, Tolmachev, 1934). In addition to the permanent nesting on the sea coast, almost annually nest in 2 places on the lake. Taimyr - Delta and Upper Taymyry delta Bikady (far west and east of Lake respectively). Jacks on the most remote offshore islands. Surveyed in 1998, the colony in the delta Bikady was among the colonies of silver gulls, mayors and vilohvostyh gulls. In addition, during the late spring rather numerous in the spring passage in the upper valleys Taimyr and Bikada, as well as in the intermountain basins gore Byrranga (Gavrilov, Queen, Pospelov, 2001 (in press); JH Pospelov, lichn . soobsch.).
The number in the Severnaya Zemlya significant, but declining: in the early 80's., To assess SE Belikova and TE Randla (1987), there gnezdilos no more than 500-600 black kazarok. From Central Siberia migrate to the west along the shores of the ocean and back, zalety deep into the mainland is extremely rare. At srednetaezhnom Enisee known two meetings: in early May, 1978 and 1986. (Rogacheva, 1988). Habitats. Slow tundra sea coasts and downstream (Syroechkovsky, Rogacheva, 1980). Phenology. At the Taimyr those goose spend the whole 80-95 days: priletayut in the first half of June and fly away at the end of August. Linka in July - August (Syroechkovsky, Rogacheva, 1980). Reproduction. In the slot with a heavy lining of the Pooh 3-6 ohristo-white eggs. Gnezdyatsya small colonies or individual pairs, often near the nest sapsana or polar owl (Syroechkovsky, Rogacheva, 1980). Nutrition. In addition to the vegetation eat shellfish and small crustaceans (Syroechkovsky, Rogacheva, 1980). References. |