Bar-headed goose species of birds of the family Anatidae. Migrant. The body length is 70 to 75 cm, wing length - 40-50 cm Weight adult bird from 2 to 3.2 kg. Puberty females reach to two years, males become sexually mature at three years. It nests in colonies or small in the 3-5-7 slots, located not far from each other, or fairly large, as was observed in Tibet. Nests are arranged on the rocks, in high trees or on the ground on the islands near the shores of ponds and wetlands in open spaces. On the rocks nest on ledges placed not far from one another. Masonry consists of 2-6 eggs. Chicks hatch after 32-34 days. When brood all the time and there are male and female. In an emergency, parents are transferred to the water chicks, and the family sailed to an inaccessible place. At the age of about two months, they are ready for the first independent poletu. Bar-headed goose is threatened with extinction of wildlife.
A feed goose base consists of various parts of the aquatic plants - grass, roots and shoots, for the most part it sedges. Winter geese willingly eat grains and tubers. Kelp is also an important part of the diet in coastal areas. The food of animal includes insects, small crustaceans, mollusks, snails, and even small fish.
It inhabits the high mountain lakes of the Central Tien Shan, Pamir and Altai and Tuva. Geese overwinter in India, Pakistan and China. Mountain goose nests in the mountains on the banks and islands of the mountain rivers, as well as on coastal rocks.
Bar-headed gooses are among the highest flying birds. Reported case of geese flying at an altitude of 10175 meters. It got its name because it nests at a height of 1-5 thousand m. Above sea level. A couple, they create one for life, that is, this kind of monogamous.