THE NUMBER OF CUCULIFORMESOF THE NORTHERN FOREST-STEPPE OF OMSK REGION
Based on the materials collected by the authors the original data of the cuculiformes birds population and distribution are given in the territory of the northern forest-steppe of Omsk Irtysh region -the common cuckoo (Cuculuscanorus) and the oriental cuckoo(Cuculusoptatus). Monitored and analyzed the quantitative data on the population of two cuculiformes species in different habitats of the study area. It was found that on average in the research area the common cuckoo is common species and the oriental cuckoo is very rare species. It is shown that cuckoo distributed over the research area irregularly, their density and abundance dependson habitats. The paper presents a historical backgroundof these birds study in the region and adjacent areas, meeting data with coordinates, density and population in certain habitats.