The state is home to 13 bat species, some hanging around in trees while others ... A majority of Indiana’s migratory tree bats are species of special concern. Big brown bat: One of the ...

clinging to tree trunks or hanging upside down from tree branches. To survive in colder regions, bats either hibernate in shelters with high humidity and temperatures above freezing, or migrate to ...

They should be mounted 12 to 15 feet high and tend to attract more bats when they're on buildings rather than trees. A tree might seem more fitting, but it receives less sunlight and exposes bats ...