作者: M. F. Robinson , R. E. Stebbings
DOI: 10.1111/J.1469-7998.1997.TB05759.X
关键词: Biology 、 Home range 、 Zoology 、 Ecology 、 Direct route 、 Eptesicus serotinus 、 Habitat 、 Range (biology) 、 Animal Science and Zoology 、 Ecology, Evolution, Behavior and Systematics
摘要: Serotine nursery roosts with less than 20 bats were found to have home ranges of at least 24 77 km2 and core areas activity from 13 33 km2. The size the range may increased further if more individuals had been tracked, as three four colonies studied not reached their asymptotes. total home-range area covered by serotine was 127.36 Excluding non-breeding bats, a density one bat per 120 ha estimated. However, actual likely be higher there additional females immatures that in roosts. Colonial overlapped, different feeding same sites. Individual (n= 32) varied 0.16 47.58 km2, but these used exclusively individual. Around colonial breeding roosts, all single colony. It is only appeared individuals. distance roost up 7.4 km, usually commuted along lines trees hedges over pastures. This resulted greater distances being travelled they flown direct route. On average, 8 km each night between areas, maximum 41 km. They visited 0 10 sites (mean = 2.89).