Interannual fidelity to roosting habitat and flight paths by female western barbastelle bats

• Autorzy: Hillen J. , Kiefer A. , Veith M.
• Języki publikacji: EN

Abstrakty

EN

The roost area selection of reproductive female western barbastelles was examined throughout four study seasons (2004–2007) via radio-tracking and automated acoustic monitoring. We specifically analysed the spatial structure of the roosting habitat and roost fidelity including a flight path connecting the roosts. We radio-tracked 13 colony members to 46 natural roosts, mainly dead oaks with large pieces of loose bark. Simultaneous tracking of four pairs of females revealed the existence of subgroups and fission-fusion-behaviour in Barbastella barbastellus. The colony displayed fidelity to the roost area rather than to single roost trees, although some trees were reused in two or three study seasons. Bimodal activity patterns obtained from acoustic monitoring indicated that the flight path connecting two core roosting areas functioned as a commuting corridor.

Słowa kluczowe

EN

interannual fidelity; roosting habitat; flight path; female; western barbastelle bat zob.barbastelle; bat; roosting preference; site fidelity; radio tracking; kernel density estimation; roost selection; animal behaviour; barbastelle; Barbastella barbastellus; western barbastelle zob.barbastelle; European bat

• Wydawca: -
• Czasopismo: Acta Chiropterologica
• Rocznik: 2010
• Tom: 12
• Numer: 1
• Opis fizyczny: p.187-195,fig.,ref.

Twórcy

autor

Hillen J.

• Institute of Zoology, Department of Ecology, University of Mainz, J.J.Becherweg 13, D-55128 Mainz, Germany

autor

Kiefer A.

autor

Veith M.

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