The NSS Bulletin - ISSN 1090-6924
Volume 42 Number 4: 68-69 - October 1980
A publication of the National Speleological Society

Notes on Summer Bat Activity at Michigan Caves
Allen Kurta

Abstract

Bat populations at Michigan caves were surveyed during the summers of 1978 and 1979. Myotis lucifugus was the most common species at Bear Cave, Berrien County, while Myotis keenii was relatively more abundant at a number of small caves in Makinac County. Myotis lucifugus and Myotis keenii showed similar temporal patterns of activity at Bear Cave.

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