Roosting habits of four bat species in the Black Hills of South Dakota
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Abstract
The availability of suitable roosts influences the distribution and abundance of bats. Quantifying roosting requirements is a necessary step toward effectively monitoring, managing, and conserving bats. Our objectives were to locate and characterize the natural, daytime summer roosts of Myotis septentrionalis, M. thysanodes, M. volans, and Eptesicus fuscus in the Black Hills of South Dakota, USA and compare local roosts to those used in other regions. Bats were marked with radio transmitters and followed to roosts. We successfully tracked 37 bats of four species to a total of 81 roosts. Myotis septentrionalis and E. fuscus consistently used trees, while M. thysanodes and M. volans used both trees and rock crevices. Roost trees were consistently among the largest available and were found in areas of relatively high snag densities. Maintaining forests with high snag densities and large trees will likely benefit bat populations in the Black Hills. All species switched roosts, but generally remained within small (≈4 km2) areas. Lactating M. thysanodes changed roosts together while carrying young. Fidelity to roosts and roost areas was demonstrated by bats in the Black Hills.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Roosting habits of four bat species in the Black Hills of South Dakota |
| Series title | Acta Chiropterologica |
| Volume | 3 |
| Issue | 1 |
| Year Published | 2001 |
| Language | English |
| Publisher | Museum and Institute of Zoology, Polish Academy of Sciences |
| Contributing office(s) | Fort Collins Science Center |
| Description | 10 p. |
| First page | 43 |
| Last page | 52 |
| Google Analytic Metrics | Metrics page |