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Mammals

Gray Bat - Jerry A. Payne, USDA Agricultural Research Service, Bugwood.org

Gray Bat (Myotis grisescens)

Federal Status: Endangered

Description: A small bat which uses caves that are normally located within one mile of a river or reservoir. Gray bats use warm caves in the summer where they establish maternal and bachelor colonies. In the winter they relocate and hibernate in a few small cold caves The gray bat has a wingspread of about 11-12 inches and is uniformly dark gray. Gray bats are insect eaters and often hunt and feed over water.

Map of Alabama where the Grey Bat enhabitsForestry Considerations: Gray bats can be adversely affected by forestry operations if their roost sites are disturbed or if wooded corridors that provide
them with cover on nightly flights between roosting and feeding sites are removed. Caves that are inhabited by gray bats should be protected by leaving a buffer of undisturbed vegetation around their entrances. Wooded travel corridors between roosting and foraging sites should also be protected. Also, the use of herbicides and pesticides in areas adjacent to foraging and roost sites should be carefully controlled and monitored for unanticipated adverse effects.

Distribution by County: Known from the following Alabama counties: Calhoun, Colbert, DeKalb, Jackson, Jefferson, Lauderdale, Lawrence, Limestone, Madison, Marshall, Monroe, Morgan, and Shelby. Also sighted in Conecuh County and suspected in other south Alabama counties.

   
Indiana Bat

Indiana Bat (Myotis sodalis)

Federal Status: Endangered

Description: This small bat has fur that ranges from nearly black to chestnut on its back with lighter gray or cinnamon fur on the belly. Individual hairs have dark bases with lighter tips. Its wingspread is about 9.5 to 10.5 inches. Indiana bats hibernate in caves and mines during the winter. They disperse from their hibernation caves in the spring and form separate male, female, and juvenile colonies. Females form maternal colonies which roost under the loose bark of trees, usually near water. Little is known about where males spend the summers.

Map of Alabama where the Indiana Bat enhabitsForestry Considerations:
The greatest threat forestry activities pose to Indiana bats is through the disturbance of hibernating colonies in nest caves. A buffer area of undisturbed vegetation should be maintained around the entrances of hibernation caves. Harvest of roost trees can also occur. If roosting bats are found during harvest or site clearing activities, the tree and area around it should be protected until a determination of the bat species is made. Areas that contain Indiana bat roost sites should be managed in a manner that will ensure that an adequate number
of roost trees are present, and tha a sufficient wooded area is available within the bat’s home range to support the colony.

Distribution by County: Indiana bats are presently known to occur in Blount, Jackson, Lauderdale, Lawrence, Marshall, Morgan, and Shelby Counties in Alabama.

   

Alabama Beach Mouse

Alabama Beach Mouse
(Peromyscus polionotus ammobates)

Federal Status: Endangered

Map of Alabama where the Alabama Beach Mouse enhabitatsDescription: The mice are pale gray with a white abdomen. Their body length is about three inches long.

Forestry Considerations: These mice are found on beach dunes and in pine areas adjacent to the dunes. Forestry practices in these areas could impact the beach mice.

Distribution by County: The mice are found only in Baldwin County on coastal dunes from Mobile Bay to Perdido Bay and on the west end of Perdido Key.