DYNAMICS OF THE NUMBER OF PIGEONS IN THE CITY OF IRKUTSK IN THE PAST 15 YEARS
In the city of Irkutsk sympatric populations of two species of doves Columba livia and C. rupestris inhabit, which hybridize with each other. Value of species during a period of observation is retained. Since 1997, we took into account the number of pigeons and the absolute control sites. The results of this study show that the number of pigeons in the city is steadily increasing by 7% per year.