As a result, they are extremely vulnerable to disturbance. Fish and Wildlife Service reports. Fish and Wildlife Service has developed a recovery plan that describes actions needed to help the bat survive. In the winter, they hibernate in … Of the 1,296 bat species that have been assessed by the IUCN almost a third are considered either threatened (vulnerable, endangered, or critically endangered) or data deficient, indicating the need for more conservation attention to these species. Gray Bats spend the entire year in caves. This species migrates between winter and summer caves in large flocks, a distance up to 300 miles. Its fur is gray, sometimes russet in summer. The Gray bat (Myotis grisescens) is another medium-sized bat of the Myotis genus which was listed as a federally endangered species by the USFWS in 1976. Status: Endangered Description: The gray bat, 3 - 4 inches in length, is the largest species of Myotis found in the eastern United States. Similar to the Indiana and Northern Long-eared bats, but larger and with a uniform gray pelage. Also caves and nesting areas are being blocked and destroyed. These endangered bats are being killed by the thousands—here’s why Scientists are suing the Mauritius government to halt the culling of flying foxes. Gray Bat facts and photos. So far, 50,000 bats have been slaughtered. Hello, we provide concise yet detailed articles on "Danger Choices: Why Is The Gray Bat Endangered" topic. 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. Why Is The Gray Bat Endangered? Gray bats are endangered largely because of their habit of living in very large numbers in only a few caves. Human Disturbance. 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. 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. There are only half a dozen caves that are used for these hibernating sites and none are protected, hence why this bat is on the federal endangered species list. Arousing bats while they are hibernating can cause them to use up a lot of energy, which lowers their energy reserves. When you find the article helpful, feel free to share it with your friends or colleagues. Arousing bats while they are hibernating can cause them to use up a lot of energy, which lowers their energy reserves. of the U.S. They weigh 7-16 grams. So why are grey bats endangered? Appearance - Gray bats are distinguished from other bats by the unicolored fur on their back. Fish and Wildlife Service’s endangered species program. Well one reason is human disturbance. The grey bat of North America is one of the many species of bats throughout the world that are now on the endangered list and are in grave danger of disappearing. When humans disturb the bats' caves during hibernation, it could wake the bats up causing the bats to lose energy and possibly die. Mainly it is because of a loss of their habitats. Recovery Plan The U.S. The gray bat was added to the U.S. White-nose syndrome, the disease that has decimated some eastern North American bats, has now been found in endangered gray bats in Tennessee, the U.S. List of Endangered and Threatened Wildlife and Plants on April 28, 1976. This species is also known by the following name(s): Gray … Living in large colonies in a small number of limestone caves, grey bats are extremely vulnerable to being disturbed.