Skip to main content
U.S. flag

An official website of the United States government

Morphological discrimination of gray bats and southeastern bats

Author(s):

D. Blake Sasse
Stacy J. Scherman
Thomas S. Risch

Year:

2019

Publication type:

Scientific Journal (JRNL)

Primary Station(s):

Southern Research Station

Source:

Southeastern Naturalist

Description

Myotis grisescens (Gray Bat) and Myotis austroriparius (Southeastern Bat) generally do not utilize similar habitats; however, in areas of range overlap where they both may be captured foraging in riparian areas or observed roosting in caves, it may be difficult to discriminate between them due to contradictory information found in mammal identification guides. In order to find characteristics that can reliably be used to identify these species, we examined museum specimens and live-captured individuals to obtain data on length of toe hairs, point of attachment of the plagiopatagium to the foot or ankle, forearm length, and the presence or absence of notches on the claws of feet and thumbs. The presence or absence of a notch in the claws and forearm length were found to be the most objective methods of identifying these species.

Citation

Sasse, D. Blake; Scherman, Stacy J.; Perry, Roger W.; Risch, Thomas S. 2019. Morphological discrimination of gray bats and southeastern bats. Southeastern Naturalist. 18(4): 630-640.

Publication Notes

  • We recommend that you also print this page and attach it to the printout of the article, to retain the full citation information.
  • This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.
https://www.fs.usda.gov/treesearch/pubs/59265