It normally roosts alone on trees. But sometimes, it has been seen in caves with other bats. It prefers woodland, mainly coniferous forests, but hunts over open areas or lakes. It hunts alone and it mainly eats moths. The bats can travel 39 km (24 mi) while foraging. In the winter, they live in Central America and the southwestern United States. In the spring and summer, they live in the United States and Canada.