Smithsonian National Museum of Natural History, North American Mammals
Search the Archive

  Chiroptera · Vespertilionidae · Myotis evotis
   Smithsonian Institution
   Copyright Notice
   Privacy Notice
Myotis evotis

Long-eared Myotis

Order: Chiroptera
Family: Vespertilionidae

sound   Click to play (0:09, 822 kb)
Credit: New Mexico Bat Call Library, W. L. Gannon
Image of Myotis evotis
Myotis evotis - inset shows trailing edges of tail membranes
Click to enlarge. (82 kb)

Conservation Status: Least Concern.

With its long, luxurious fur, which can range in color from dark brown to pale yellow, and its large, coal-black ears, the long-eared myotis is a striking animal. Long-eared myotis prefer roosting in rock outcroppings and dead trees. They feed on a variety of insects, and are often seen hunting in dense vegetation or over small bodies of water. They seem to prefer moths and beetles, and it appears these bats "turn off" their echolocation to listen for insects, which they can pluck from trunks and branches by hovering momentarily. Like many bats, but unlike most other small mammals, they have a long life span. Individuals have been known to live for 22 years, although the average is much shorter.

Also known as:
Long-eared Bat, Little Big-eared Bat

Range: 87-100 mm

Range: 5-8 g


Allen, H., 1864.  Monograph of the bats of North America, p. 48. Smithsonian Miscellaneous Collection, 7(165):1-85.


Mammal Species of the World

Mammalian Species, American Society of Mammalogists' species account

Distribution of Myotis evotis

Image of Myotis evotis
Click to enlarge. (187kb)