In summer, they roost and form maternity colonies in caves which are scattered along streams, rivers and reservoirs. A few can be found in northwestern Florida, western Georgia, southeastern … Status: Endangered Description: The gray bat, 3 - 4 inches in length, is the largest species of Myotis found in the eastern United States. During winter, gray bats hibernate in deep, vertical caves.

SPECIES PROTECTION AND CRITICAL HABITATS: Gray Myotis are protected by the Kansas Nongame and Endangered Species Conservation Act, the Federal Endangered Species Act, and state and federal regulations applicable to those acts. It is the only Myotis with the wing membrane attached to the ankle (instead of at the base of the toe), and the only bat in its range with dorsal (back) hair that is uniform in color from base to tip. Status: Endangered, listed April 21, 1975 . The Gray Bat (Myotis grisescens) is a species of concern belonging in the species group "mammals" and found in the following area(s): Central and Southeastern USA. Gray bats are endangered largely because of their habit of living in very large numbers in only a few caves. The endangered Gray Bat (Myotis grisescens) was once one of the most abundant mammals of the southeastern U.S. People in at least five states, especially Alabama, Tennessee and Missouri, viewed hundreds of thousands passing over in great columns each summer evening. As a result, they are extremely vulnerable to disturbance. Gray bats are endangered largely because of their habit of living in very large numbers in only a few caves. As a result, they are extremely vulnerable to disturbance. Arousing bats while they are hibernating can cause them to use up a lot of energy, which lowers their energy reserves. Arousing bats while they are hibernating can cause them to use up a lot of energy, which lowers their energy reserves. Its fur is gray, sometimes russet in summer. Habitat: Gray bats live in caves year-round. This species is also known by the following name(s): Gray Myotis. Range: Alabama, northern Arkansas, Kentucky, Missouri, and Tennessee.