may also adversely affect gray bat populations. A 

 very low reproductive rate makes recovery of de- 

 pleted colonies questionable. 



PRIORITY INDEX 



Not assigned. 



DESCRIPTION 



Adults are medium sized. Forearms are 40 to 

 47 mm long. Summer weights are 8 to 10 g, but 

 go as high as 16 g just prior to migration. Fur is 

 uniformly gray immediately following molting in 

 late June or July, and bleaches to bright russet by 

 the following May or June, especially in repro- 

 ductive females. Russett colored animals are most 

 conspicuous in crowded or southern roosts. The 

 most useful field mark is the bat's unicolored dor- 

 sad fur; all other southeastern bats have conspicu- 

 ously bi- or tricolored dorsal fur (Barbour and 

 Davis 1969). Illustrations appear in Barbour and 

 Davis (1969) and Odum et al. (1977). 



RANGE 



The gray bat's range extends from eastern Ok- 

 lahoma and Kansas eastward to southwestern Vir- 

 ginia and western North Carolina; southern Illi- 

 nois and Indiana southward to northern Florida 

 (Hall and Kelson 1959, Hall and Wilson 1966, 

 Tuttle 1966, Barbour and Davis 1969, Humphrey 

 and Tuttle 1979). Bats wanter in caves, primarily 

 in North Carolina, Alabama, Missouri, and Ten- 

 nessee. 



RANGE MAP 



Cross-hatching on the following map shows 

 the species' summer range. Dots indicate major 

 winter caves (Hall and Kelson 1959, Barbour and 

 Davis 1969, Tuttle and Robertson 1969, Tuttle 

 1976b, Elder and Gunier 1978). 



STATES/COUNTIES 



Alabama: Blount, Bullock, Calhoun, Chambers, 

 Cherokee, Clay, Cleburne, Coffee, 

 Colbert, Coosa, Cullman, Dale, De 

 Kalb, Elmore, Etowah, Geneva, 

 Henry, Houston, Jackson, Jefferson, 

 Lauderdale, Lawrence, Limestone, 

 Macon, Madison, Montgomery, Mor- 

 gan, Pike, Randolph, Russell, St. Clair, 

 Shelby, Talladega, Tallapoosa. 



Arkansas: Baxter, Benton, Boone, Carroll, Clay, 

 Cleburne, Conway, Craighead, Craw- 

 ford, Crittenden, Cross, Faulkner, 



Franklin, Fulton, Greene, Indepen- 

 dence, Izard, Jackson, Johnson, Law- 

 rence, Lee, Logan, Madison, Marion, 

 Mississippi, Monroe, Newton, Poinsett, 

 Pope, Prairie, Randolph, St. Francis, 

 Searcy, Sharp, Stone, Van Buren, 

 Washington, White, Woodruff. 



Florida: Baker, Bay, Calhoun, Columbia, Dixie, 

 Franklin, Gadsden, Gulf, Hamilton, 

 Holmes, Jackson, Jefferson, Lafayette, 

 Leon, Liberty, Madison, Nassau, Su- 

 wannee, Taylor, Wakulla, Walton, 

 Washington. 



Georgia: Bartow, Carroll, Catoosa, Chattahoo- 

 chee, Chattooga, Cherokee, Clay, 

 Clayton, Cobb, Coweta, Dade, Daw- 

 son, Decatur, De Kalb, Douglas, Early, 

 Fannin, Fayette, Floyd, Forsyth, Ful- 

 ton, Gilmer, Gordon, Haralson, Harris, 

 Heard, Lumpkin, Meriwether, Miller, 

 Murray, Muscogee, Paulding, Pickens, 

 Polk, Quitman, Randolph, Seminole, 

 Stewart, Towns, Troup, Union, 

 Walker, White, Whitfield. 



Illinois: Adams, Alexander, Bond, Brown, Cal- 

 houn, Cass, Clay, Clinton, Edwards, 

 Fayette, Franklin, Gallatin, Greene, 

 Hamilton, Hardin, Jackson, Jefferson, 

 Jersey, Johnson, Macoupin, Madison, 

 Marion, Massac, Monroe, Montgome- 

 ry, Morgan, Perry, Pike, Pope, Pulas- 

 ki, Randolph, St. Clair, Saline, Sanga- 

 mon, Scott, Union, Wabash, Washing- 

 ton, Wayne, White, Williamson. 



Indiana: Crawford, Dubois, Floyd, Gibson, 

 Harrison, Knox, Orange, Perry, Pike, 

 Posey, Spencer, Vanderburgh, Warrick, 

 Washington. 



Kansas: Barber, Bourbon, Chautauqua, Chero- 

 kee, Cowley, Crawford, Elk, Harper, 

 Labette, Montgomery, Neosho, Sum- 

 ner, Wilson, 



Kentucky: Adair, Allen, Anderson, Ballard, Bar- 

 ren, Rath, Bell, Bourbon, Boyle, 

 Breathitt, Breckenridge, Bullitt, Butler, 

 Caldwell, Calloway, Carhsle, Carter, 

 Casey, Christian, Clark, Clay, Clinton, 

 Crittenden, Cumberland, Daviess, Ed- 

 monson, Elliott, Estill, Fayette, Flem- 

 ing, Franklin, Fulton, Garrard, Grant, 

 Graves, Grayson, Green, Hancock, 

 Hardin, Harlan, Harrison, Hart, Hen- 



