Mammals of Pennsylvania Online Resource

Common Name: Big Brown Bat




Scientific Name:
Eptesicus fuscus  

May roost in man-made structures, cave crevices, mine shafts, hollow trees, loose bark, or even sewers.

Insectivorous—insects caught in flight.

Interesting Facts:
Banding records show that this bat may live as long as nine years.
The big brown bat usually hibernates in caves or man-made dwellings once food sources begin to dwindle.

Further Reading:
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