Habitat: Are spread widely but found most commonly in forested regions on the eastern side of the U.S.

Appearance: Medium sized brown bat with long rounded ears. Additionally has a longer tail and wing area than most.

Size: Body length of 78 mm, tail 26 mm long, and ears from 17-19 mm long. Also have a wingspan about 23-26 mm wide and tend to weigh 6-9 grams.

Activity: Northern bats are social bats, they a found in high densities during the summer and even rooming with other species of bats. Surprisingly, they hibernate alone for about 8 or 9 months. They mainly consume a variety of small flying insects at night over small ponds or forest clearings.

Lifecycle: Their mating season is in autumn, yielding a single pup in the spring. The young is nursed for about a month before becoming independent. Northern bats have a life span of about 18.5 years.