Big Brown Bat (Eptesicus fuscus)

Big brown bats weigh between 11 and 25 grams, and have long, wavy brown fur and a “dog-like” muzzle. Female big brown bats will give birth to 2 pups from May to mid-June. Big brown bats are known to roost in buildings, bridges, and bat houses, but will also roost in tree cavities. Generally, big brown bat colonies include several to 70 individuals.

Roost Preference: Colonial – Frequently roosts in buildings and tree cavities, but will occasionally roost in bridges and bat houses.

Diet: Insectivorous – Mostly feed on beetles, but will also feed on plant hoppers, mosquitoes, and flying ants.

Big Brown Bat Range Map



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