Northern Long Eared Bat

Myotis septentrionalis

[Photo of Northern bat hanging upside down]. Retreieved from https://www.lexisnexis.com/legalnewsroom/environmental/b/fishwildlife/posts/northern-long-eared-bat-update 

Aka the Northern Long-eared Bat

[Photo of gloves holding Northern long-eared bat]. Retrieved from  https://www.biologicaldiversity.org/species/mammals/northern_long-eared_bat/natural_history.html 

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.

[Photo of Northern long-eared bat]. Retrieved from https://irelandswildlife.com/brown-long-eared-bat-plecotus-auritus/


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.

Ollendorff, J. 2002. "Myotis septentrionalis" (On-line), Animal Diversity Web. Accessed April 22, 2021 at https://animaldiversity.org/accounts/Myotis_septentrionalis/