1. Night roosting and the nocturnal time budget of the little brown bat, Myotis lucifugus;Anthony E.L.P.;effects of reproductive status, prey density, and environmental conditions,1981
2. Flight activity of bats at the entrance of a natural cave
3. Spatiotemporal variation in activity of bat species differing in hunting tactics;Ciechanowski M.;effects of weather, moonlight, food abundance, and structural clutter,2007
4. Activity During Natural Hibernation in Three Species of Vespertilionid Bats
5. Automatic registration of bat activity through the year at Monsted Limestone Mine, Denmark;Degn H.J.;Z. Säugetierkd.,1995