Publication details

Activity and shelter selection by Myotis myotis and Rhinolophus hipposideros hibernating in the Kateřinská cave (Czech Republic)



Year of publication 2005
Type Article in Periodical
Magazine / Source Mammalian Biology
MU Faculty or unit

Faculty of Science

Field Zoology
Keywords Bats; shelter selection; activity; hibernation
Description In 1992 – 1993, the bat species Myotis myotis and Rhinolophus hipposideros hibernating in the Kateřinská cave were investigated by means of regular censuses without any handling and marking of the animals. Three basic parameters of their shelters were recorded (position in cave, type and relative height). In total, during 26 checks we registered 1141 findings of nine bat species. Movement activity, expressed as percentage of new findings during a particular visit, was registered during the whole winter season. Its level fluctuated in different way and the hibernation period of R. hipposideros could be divided into three different parts while the level of M. myotis movement activity was relatively high during all season. The shelter selection of R. hipposideros was not dependent on the part of cave where the bats were hibernating and it did not change during the season. Hibernating specimens of R. hipposideros used most frequently exposed places, where they were always hanging free. M. myotis was registered in all types of shelters with one exception. R. hipposideros used mainly the middle part of cave with the distance between 121 and 180 meters from the entrance. The most preferred part of the cave by M. myotis was small segment of Corridor (between 21 and 30 m) i. e. the entrance part of cave. R. hipposideros is a highly specialized species which prefers parts of cave with very stable microclimatic conditions, on the contrary M. myotis appears to be indifferent to all parameters studied, and it uses the shelters indiscriminately.
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