They might be living in your attic. It can fly and becomes an adult in two months. The little brown bat lives in colonies or groups of up to 10,000 bats and they usually give birth in June or July. The bat uses echo-location to communicate. Its body is covered with hair and is made for flight.
All bats have lots of predators.
People are one of the biggest. Luckily, no animals rely on the little brown bat as a regular source of food. D.D.T. killed a lot of bats but in 1972 people stopped using it. The little brown bat was treated badly by Indians. They did mean rituals with all kinds of bats.