Acoustic monitoring for bats at Isle Royale National Park: Data summary report, 2015–2019
Goodwin KR and Kirschbaum AA. 2021. Acoustic monitoring for bats at Isle Royale National Park: Data summary report, 2015–2019. Natural Resource Data Series. NPS/GLKN/NRDS—2021/1321. National Park Service. Fort Collins, Colorado
The Great Lakes Inventory and Monitoring Network initiated an acoustic monitoring program for bats in 2015. This report presents results for 2015–2019 surveys at Isle Royale National Park. Acoustic recordings were analyzed using the software program Kaleidoscope Pro and a subset of files were manually reviewed to confirm species identifications. The seven bat species previously documented at the park were reconfirmed through both automated and manual identification of calls. The status of tricolored bat remains uncertain due to limited data (only one confirmed call file). Activity levels for big brown bat, hoary bat, and silver-haired bat appear to be stable or increasing slightly. Activity levels for eastern red bat, little brown bat, northern long-eared bat, and tricolored bat show decreasing trends.
- Type
- Published Report
- Authors
- Goodwin, Katy; Kirschbaum, Alan
- Date of Issue
- 2021-04
- Publisher
- National Park Service
- Units
- GLKN , ISRO , NRSS
- Keywords
- bats, GLKN General, Michigan