Photo Credit: Macy Krishnamoorthy

Fringed Myotis

Myotis thysanodes 

Order: Chiroptera

Suborder: Yangochiroptera

Family: Vespertilionidae

Call characteristics:

Low frequency caller (~20 kHz range)

Body Length

3 3/8 in

(8.5 cm)


  1/8 - 3/8 oz

(5 - 9 g)

The fringed Myotis has light, sandy-brown fur and a blackish-brown face with dark ears and membranes. The ears are relatively large and broad with a pointed end, and sit alongside a short, pointed face. Habitat includes oak and ponderosa pine woodlands in both highland and lowland areas, as well as more open and arid regions. Fringed Myotis make roost in large caves, mines, buildings, bridges, and dead or dying trees. The fringed Myotis preys on a variety of insects, including moths and beetles. This species is known as an agile flyer and has been observed flying nearly vertical.

Conservation Status

U.S. FWS - not listed
Mexico - not listed


There are various sources for bat species range maps including IUCN, NatureServe, U.S. Fish and Wildlife Service ECOS, and the National Atlas of the United States (left). 

Photo Credit: Macy Krishnamoorthy


NABat utilizes monitoring data provided by a broad network of partners to support regional and range-wide inferences about changes in the distributions and abundances of bat populations facing current and emerging threats.

Information used to populate this page was obtained from the following sources:


NatureServe Explorer

United States Fish and Wildlife Service Environmental Conservation Online System 

Bat Conservation International Bat Profiles

National Atlas of the United States. (2011). North American Bat Ranges, 1830-2008. National Atlas of the United States. Available at: http://purl.stanford.edu/pz329xp4277.

Taylor, M. 2019. Bats: an illustrated guide to all species. Washington, DC: Smithsonian Books.