ZIMOWANIE NIETOPERZY W MAŁYCH PODZIEMIACH NA PÓŁNOCNYM MAZOWSZU I W PUSZCZY PISKIEJ
Journal Title: KULON - Year 2015, Vol 20, Issue
Abstract
The study on bat wintering in small underground roosts (cellars and military shelters) was carried out in northern Mazovia and southern edge of Pisz Forest in a hibernation period (December- February) between 1994 and 2013. In total we found 82 sites inhabited by bats: 74 cellars and 8 military shelters. Bats were represented by six species: Natterer’s bat Myotis nattereri, Daubenton’s bat M. daubentonii, northern bat Eptesicus nilssonii, serotine bat E. serotinus, brown long-eared bat Plecotus auritus and barbastelle bat Barbastella barbastellus. In cellars, brown long-eared bats were the most frequent and abundant (92% of inhabited sites, 51-88% of individuals). Less frequently and abundantly recorded were: Natterer’s bats (respectively, 24%, and 2-34%) and Daubenton’s bats (respectively, 22%, and 5-28%). Northern bats hibernated only in military shelters situated in Pisz Forest – up to 8 individuals recorded during one census. Sites under study are very important for bat hibernation in this part of Poland where natural underground roosts are absent.
Authors and Affiliations
Piotr Tomasik, Grzegorz Lesiński, Ewa Pacholik
Keywords
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