Where Do Bats Go When the Weather Gets Cold In Madison?
Do bats hibernate during the winter or do they migrate to a warmer climate until spring? It depends on the species of bat. Bats that hibernate in the winter are called cave bats, while migratory bats are called tree bats. Each type is named after its preferred roost. In Wisconsin, there are three species of tree bats: the eastern red bat, the hoary bat, and the silver bat. Cave bats in Wisconsin include the big brown bat, the little brown bat, and the northern long-eared bat.