Structure heterogeneous of forests community influence on different ecological groups of bird

In forest community structure organization is the most important variable, determine some alteration of bird community structure. Structure heterogeneous of forest community had a great influence on the different ecological groups of bird communities. It was reveal, that increasing in vertical stratification of forest communities result to increasing of crowing and hollowing birds on Privolgskya upland. Significant positive correlation was reveal between horizontal heterogeneous and birds set up their nests in shrubs.