Hibernation

little brown myotis (Myotis lucifugus)

A fat little brown myotis (Myotis lucifugus), very fat, ready to enter hibernation in Wisconsin. The stored fat may have to last for up to eight months. These bats commonly form nursery colonies in bat houses and buildings located near rivers or lakes where they feed on aquatic insects, including many mosquitoes.

1991Merlin Tuttle's Bat ConservationNorth Americaaroused from hibernationbatbat conservationcutehibernatinghibernationlittle brown myotis Myotis lucifugusmammalphotography