Bats in Your House During the Winter
The species of bat that is found in SE Michigan homes is the Big Brown Bat. Although some species of bats are solitary animals, this particular bat lives in colonies - they live with friends.
If you discover a bat inside your home, it is not likely to be the only one. Bats found inside the home during the winter months indicates that the home is being used as a hibernaculea for the bats. The number of bats varies and can range from a half dozen to hundreds of bats. Typically, we do find smaller colonies of a dozen or so.
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