The gray bat (Myotis grisescens) is a medium-sized insectivorous bat with an overall length of about 3.5 inches and a wingspan of 10 to 11 inches. As the name implies, gray bats have gray fur, but the hair often bleaches to reddish-brown by early summer.

The gray bat (Myotis grisescens) is a species of microbat endemic to North America. It once flourished in caves all over the southeastern United States, but due to human disturbance, gray bat populations declined severely during the early and mid portion of the 20th century. 95% of gray bats now hibernate in only 15 caves.

The Gray bat (Myotis grisescens) is a species of microbat endemic to North America. It once flourished in caves all over the southeastern United States, but due to human disturbance, gray bat populations declined severely during the early and mid portion of the 20th century.

What is the Gray Bat? The gray bat is an endangered species. Endangered Species are animals and plants that are in danger of becoming extinct. Threatened species are animals and plants that are likely to become endangered in the foreseeable future.

Gray bats are dark gray in color directly after they molt in July or August. Between molts, they bleach to a russet color. This difference in fur color is most apparent in females during the reproductive season (May or June).

The gray myotis, or gray bat, is the largest of all Missouri’s myotis (mouse-eared) bats, which include the little brown myotis, the Indiana myotis, and the northern long-eared myotis. Gray myotises are hard to distinguish from their myotis cousins.

Gray Bat by John MacGregor. Federal Status: Endangered. Kentucky Status: Threatened. Description: The gray bat, measuring up to 4 inches in length, is the largest species of Myotis found in the eastern United States. Its fur is gray, sometimes russet in summer.

The Gray Bat is one of the 2 endangered bats in Tennessee (along with the Indiana Bat). It is the largest of the "mouse-eared bats" in Tennessee, and its grayish overall color helps distinguish it from other Myotis bats. Gray Bats primarily occur in eastern and middle Tennessee.

The gray bat inhabits caves and feeds over waterways that are surrounded by forests (Florida Natural Areas Inventory 2001). This species can be found in Alabama, Arkansas, Florida, Georgia, Illinois, Indiana, Kansas, Kentucky, Mississippi, Missouri, North Carolina, Oklahoma, Tennessee, Virginia, and West Virginia (U.S. Fish & Wildlife Service ...

Approximately 95% of the entire known population of gray myotis hibernate in just nine caves each winter. In these few caves, dense concentrations of bats are extremely vulnerable to human disturbance.