Bats in Massachusetts

Yes, all 9 species of bats are under protection by law. 5 of the bats living here are endangered – the Eastern Small-footed Bat, the Little Brown Bat, the Northern Long-eared Bat, the Indiana Bat, and the Tricolored Bat.

Yes, several species of bats are known to undergo hibernation in Maryland. In the state, they start to hibernate in the middle of October, which ends in mid-April. The bats that are known to do so are the Northern Long-eared Bat, the Little Brown Bat, the Indiana Bat, the Big Brown Bat, and the Tricolored Bat.

The Eastern Red Bat, the Hoary Bat, and the Silver-haired Bat roost in tree hollows during the summer and migrate away when it gets colder.