Copyright photo by Merlin D. Tuttle, Bat Conservation International, www.batcon.org
Eptesicus fuscus
Wingspan: 13–15 in.
Length: 4–5 in.
Weight: 0.46–0.53 oz
Color: Light rust to dark chocolate brown; the individual hairs are darker at the bases than at the tips.
Other: The tail is completely enclosed in the tail membrane.
Roosting behavior: Females form maternity colonies; males live in bachelor roosts. Will occupy bat houses.
