Maryland Bats Fact Sheets

Maryland Bats Fact Sheets

Northern Long-eared Bat

(Myotis septentrionalis)


Photo of Northern Long-eared Bat 


Description:
  • Recognition

    • Dull brown fur;
    • Belly slightly paler;
    • Large ear that if laid forward extends well beyond the muzzle;
    • Long, pointed tragus.

  • Weight: 1/8 - 1/4 oz. (5-7 g)
  • Body length: 3 - 3 7/8 in. (75-100 mm)
  • Wingspan: 9-11 in. (23-27 cm)
  • Forearm: 1 3/8 - 1 1/2 in. (35-39 mm)

Roosts:
  • Summer Roost: Buildings, hollow trees, behind shutters under, loose bark, shingles.
  • Winter Roost: Caves or mines.

Diet:

Small night-flying insects


Similar Species:

Little Brown Bat has glossy fur, smaller ears and tragus.


Sounds:

spectromyse.gif

Northern Long-eared Bat Spectrograph

Courtesy of Bat Call: Acoustic Call Library and Species Accounts


Photo by: Dr. J. Scott Altenbach​