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Discover Nature: Brown Bats Breed

Missouri Department of Conservation

This week on Discover Nature keep your eyes peeled around dusk for groups of little brown bats.

Little brown myotises, or mouse-eared bats are only about three to four inches long, and weigh only a quarter of an ounce. They have yellowish- to olive-brown fur with a glossy sheen.

In the fall, these bats gather at cave and mine entrances to mate before hibernation. However, fertilization of the ovum will not take place until spring, and mothers will bear a single offspring by mid-June.

These nocturnal mammals help control pests such as mosquitos, eating up to half their body weight each night.  Many forms of cave-dwelling life also depend on the nutrients brought in by bats and released from their guano.

The little brown myotis is a Species of Conservation Concern in Missouri.  Once common across the state, this species has declined dramatically due to impacts of white-nose syndrome. They are protected by both state and federal laws to prevent losing this species forever.

Learn more about the little brown myotis, and other Missouri bats with the Missouri Department of Conservation’s online field guide.

Discover Nature is sponsored by the Missouri Department of Conservation.

Trevor serves as KBIA’s weekday morning host for classical music. He has been involved with local radio since 1990, when he began volunteering as a music and news programmer at KOPN, Columbia's community radio station. Before joining KBIA, Trevor studied social work at Mizzou and earned a masters degree in geography at the University of Alabama. He has worked in community development and in urban and bicycle/pedestrian planning, and recently served as a Peace Corps Volunteer in Zambia with his wife, Lisa Groshong. An avid bicycle commuter and jazz fan, Trevor has cycled as far as Colorado and pawed through record bins in three continents.
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