A Big Brown Bats Diet

Big brown bats are insectivorous, eating many kinds of night-flying insects including mosquitoes, moths, beetles, and wasps which they capture in flight. This causes the sudden, frequent changes in direction.

(Info From: http://en.wikipedia.org/wiki/Big_brown_bat#Diet)

Differences Between Big Brown Bats and Little Brown Bats

Want to know the differences between Big Brown Bats and Little Brown Bats? Here they are:

Little Brown Bat (Myotis lucifugus)

Forearm — 1.34 to 1.61 inches (3.4 to 4.1 cm)
Wingspan — 9.02 to 10.59 inches (22.9 to 26.9 cm)
Ears — 0.55 to 0.63 inches (1.4 to 1.6 cm)
Foot — approximately 0.39 inches (1.0 cm); long hairs on toes extend beyond claws.
Color — Pale tan through reddish brown to dark brown, depending on geographic location. The species is a rich dark brown in the eastern United States and most of the West Coast. Fur is glossy and sleek.


Big Brown Bat (Eptesicus fuscus)

Forearm — 1.65 to 2.01 inches (4.2 to 5.1 cm)
Wingspan — 12.80 to 13.78 inches (32.5 to 35.0 cm)
Ears — with rounded tragus
Color — From reddish brown, copper colored, to a dark brown depending on geographic location. This is a large bat without distinctive markings.

See the differences?

Big Brown Bats

Big Brown Bats are the most common species of bats in Massachutes. You would typically find colonies of Big Brown Bats in attics that range from 2-200 bats.

Link to page: http://www.batguys.com/services/bats/Bat-Article.html