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Churchill, S., Draper, R. and Marais, E. 1997. Cave utilisation by Namibian bats: Population, microclimate and roost selection. South African Journal of Wildlife Research, 27: 44-50


Description:

Cave utilisation by Namibian bats: Population, microclimate and roost selection.

Summary / Notes:

Ten caves in central Namibia were searched for cave bats during May and June 1996. Up to seven species were found sharing a single cave. Different species of bats were found to select roost sites with significantly different microclimates, based on temperature and relative humidity. Bats were using these caves as over-wintering sites and were selecting either cool microclimates in which to enter daily torpor or warm microclimates to enable them to remain active with minimal energy expenditure. Hipposideros commersoni was observed to remain inactive at the roost for days without entering torpor or leaving the cave to forage. This large bat appears to over-winter by relying on its considerable fat store at this southern limit of its distribution. Roost behaviour, colony size and roost location within the cave was examined for each of the nine bat species encountered.

Year: 1997

Type: Journal Article

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Churchill, S., Draper, R. and Marais, E. 1997. Cave utilisation by Namibian bats: Population, microclimate and roost selection. South African Journal of Wildlife Research, 27: 44-50
  » More info & related results
1997 Journal Article1.46 mb pdf
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