Rodents are members of the taxonomic order Rodentia. Order Rodentia is further subdivided into smaller taxonomic groups called families. In Alabama, Mississippi, Kentucky, and Tennessee, six families are represented: American beavers of the family Castoridae; Chipmunks, Marmots, and Squirrels of the family Sciuridae; Jumping mice of the family Dipodidae; Mice, Rats, and Voles of the family Muridae; the non-native Nutria of the family Myocastoridae; and Pocket gophers of the family Geomyidae.
Rodents of Alabama, Kentucky, Mississippi, and Tennessee are organized on this page by taxonomic families.