Search Mississippi Mammals
family Information
The major characters for the family Muridae (old world rats and mice) include possessing a “mouse” body form (long tail, generalized limbs, and five digits on the feet), having a 1/1 incisors, 0/0 canines, 0/0 premolars, 3/3 molars = 16 total teeth dental formula, and most are nocturnal herbivores.
Black rat (Rattus rattus) House mouse (Mus musculus) Norway rat (Rattus norvegicus)