Field signs. Major (mass 1,8-3,0 kg) water bird characteristic appearance: add dense, tail and neck quite long. Beak with a hook at the end, at the base of the beak bare piece of skin. Plumage black with metallic luster, throat, neck and white stain on the thigh. Bare spot with a yellow beak. Young - with a light brown bottom. Very cautious bird. Vzletaet difficult, but flying high. On the land goes bad, keeping the body almost vertically. Magnificent floats and nyryaet to a depth of 4 m. It can climb trees (especially chicken). Molchaliv enough. Voice - recess caw or quack (Syroechkovsky, Rogacheva, 1995). Distribution. Yuzhnoevraziatskaya bird. In the forefront of double-marked BP Zavatsky in the lower reaches of the river. Constitution: in the first decade of May 1979 the bird was produced, stored in a museum guy Sayano-Shushenskogo reserve; second time cormorant was met there in late May 1981 (Syroechkovsky, Bezborodov, 1987). Nesting is not installed (Syroechkovsky, Rogacheva, 1995). There should also mention the meeting cormorant in the tract "Trehozerki" in the Altai region of Khakassia in 1992 (Baykalov et al, 1997). In 1999, a small bunch of cormorants observed at the Yenisey 30 km from the town of Abakan up the river. Habitats. Gnezdovoy biotope - low porosshie reeds and trees and shrubs coast rich in fish ponds with clean water and ooze. It occurs in the mountains (Syroechkovsky, Rogacheva, 1995).  Reproduction. Migratory birds. Nest colonies, often in conjunction with the herons. Nests in the cane fields, on trees, rocks at the eaves, and they may be located close group, even touch one another. The height of the nest - 0,7-1,0 meters width at the base - 1 pm A nest of branches, reeds; tray lining leaves most cane. Kladka 4-6 blue or pale green eggs on top covered with a layer of white lime a potekov (Syroechkovsky, Rogacheva, 1995).
Nutrition. Basis for food - fish measuring 20-25 cm, occasionally small fish, amphibians, molluscs, insects, plants (Syroechkovsky, Rogacheva, 1995). References. |
