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Study of aggressive behavior of different species of birds in various places of the Wood-and-Steppe Zone of Ukraine with the methods of continuous logging and total surveillance revealed that aggression manifestation of birds in different territories are similar. Ratings of successive interactions among aggressive species in different areas are evaluated. According to the ratings, four types of birds position in the ranking were allocated and the species always holding to them in any area are established. The Blackbird is always dominating, whereas the Blue Tit and Treecreeper occupy a subordinate position. The Nuthatch, Greenfinch, Chaffinch, Marsh Tit, Great Tit, and Blackcap are characterized by active successful attack, but have low defense rating. These results can be used in analyzing the adaptation of certain bird species in communities and their success in competitive interactions in different areas.

Interspecific Agression of the Passerine Birds (Aves, Passeriformes) on Watering Places in Wood-and-Steppe Zone of Ukraine