The ecological and faunistic structure of the winter bird fauna of Baikal Siberia

The winter otnithofauna of the Baikal Siberia has 9 Orders, 27 families and 86 species.That is the 21,23% of the total species composition of the birds fauna of the region. It consists mainly of settled (61 species), wintering and partially wintering (25) species. According to the number of settled species are Orders of Piciformes (85.7% of the species composition of the squadron), Strigiformes (81.8%) and Galliformes (77.8%). Many Passerines represented the settled views of 18.64%, but some of the family quite a significant number of sedentary species are Corvidae, Parridae, Ploceidae, Fringillidae. A large share is occupied by species that have changed their status and become partially wintering. According to the timing of the landscapes of wintering birds can be divided into 4 ecological groups: forest, "ecotonic", open spaces and settlementsbirds.