But their long narrow wings make them good travelers at night. Bats Today Bats live in barns, attics, and caves. They like anyplace that is cold and dark. They usually live in small groups. But their colony size can be in the 1,000's.
Most bats fly at night.
Many eat half their weight in insects in one night. A little brown bat can eat 600 insects in an hour. A colony can eat 6,000 tons of insects in one year. Tropical bats can transfer pollen as they fly from plant to plant. They digest bananas, mangoes, guavas, and berries in 20 minutes.