The winter population of birds in Surgut city

As a result of the paleocrystic researches lead in one the least studied regions of Russia, it was possible to find out a specific compound, numerosity and structure of the winter population of birds in Surgut city. Some specific features of winter avifauna formation, connected with a geographical location are revealed also. At the further works in this region there will be an opportunity of comparison and estimation of in-creasing anthropogeneous influence on avifauna.