Changes in ornithofauna of Subpolar Urals for last 40 years

The monitoring researches spent in the territory of Subpolar Uras during 1968-1972 and 2001-2007 years in the region of stationary in Bol. Synya river basin, have been put in basis of the given work. According to the litera-ture and to author's data for the last forty years in Subpolar Urals occurrence of 40 kinds of birds new to inves-tigated region has been noted. The most essential changes are observed among kinds of European origin and wide spread kinds. The tendency of expansion of their areas in northern direction that will be coordinated with general tendency, going and on plains adjoining to Urals is noticed.