Biology of eptesicus nilssonii (vespertilionidae, chiroptera) in the middle urals, sverdlovsk region

In the Middle Urals, Sverdlovsk Region, detailed information, both previously published and new, is provided on the bat species inhabiting urbanized areas, as well as data on the biology of the species wintering in caves. Stationary studies of the biology of Eptesicus nilssonii Keyserling et Blasius 1839 were carried out during the period of activity outside the caves. Reproductive groups of animals and the autumn rut in summer habitats are described for the first time.