LONG-EARED OWL AND URAL OWL ELIMINATION OF THE NARROW-SKULLED VOLESPECIMEN FROM DIFFERENT SEX AND AGE GROUPS
The research results of size and sex composition of the narrow-skulled voles trapped by the owlspecies specialized in forage procuring are given in the article. The analysis of sex and age groupratiodynamics during the season shows that young animals run the greatest danger of death risk from owl predation. The main factor which determines death risk is motor activity caused by the processes of reproduction and resettlement.