Аннотация:Winter in Irtysh forest-steppe and steppe the greatest density of bird populations, as opposed to the summer,marked in residential type of population. So, in the meadows, fields and steppes in the list are the dominantspecies consist in Eurasian goldfinch, Northern bullfinch, snow bunting, black and white-winged larks, snowyowl, jackdaw, black grouse, waxwing and fieldfare. Spatial-typological structure of birds ornithocomplexesWestern Siberia. In Romania the steppe region is restricted to the north-east and south-east of the country. Duringwinter the bird species are represented by sedentary ones, but also lot of species form the north of the continentor from Siberia come to wintering in Romania. Some of the birds prefer to winter inside the villages or citieslike passerines, especially crows, sparrow and finches or long-eared owl. In the forest dominate the birds likefinches, tits, thrushes, woodpeckers, owls and gamebirds. In open areas steppe some are foraging in lawns orother in aquatic basins. From first categories dominant are buntings, finches, sparrows, starlings, crows, greatgrey shrike and larks. Aquatic species are represented by wildfowl, loons, grebes, grey heron, bittern, greatwhite egret, and gulls. In steppe areas appear also a big number of birds of prey: common buzzard, rough-leggedbuzzard, hen harrier, white-tailed eagle, goshawk, sparrowhawk, merlin and short-eared owl
