Fertility of Brown Bear (Ursus arctos L., 1758) in Kirov Region
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The research detects the fertility of brown bear in Kirov region for the last 40 years. Among total 609 cases 52% broods had 2 bear-cubs, 33% - 1 cub, 14% - 3 cubs, and 1% - 4 cubs.
Keywords: brown bear, even-aged and multiple-aged bear-cubs, fertility
