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 (family Castoridae); Chipmunks, Marmots, and Squirrels (family Sciuridae); Jumping mice (family Dipodidae); Mice, Rats, and Voles (family Muridae); the non-native Nutria (family Echimyidae); and Pocket gophers (family Geomyidae).

Rodents of Alabama, Kentucky, Mississippi, and Tennessee are organized on this page by taxonomic families.

	Beavers (family Castoridae)
	Chipmunks, Marmots, Squirrels (family Sciuridae)
	Jumping mice (family Dipodidae)
	Mice, Rats, Voles (family Muridae)
	Nutria (family Echimyidae)
	Pocket gophers (family Geomyidae)

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For more about rodents, see the Web resources for rodent families on this page.