The links below contain information on identification, legal status, range, voice and sounds, as well as tracks and signs for each species. Beavers Chipmunks Cotton Rats Ground Squirrels House Mice Mice, Deer and White-footed Mountain Beavers Norway Rats Nutria Pocket Gophers Porcupines Roof Rats Thirteen-lined Ground Squirrels Tree Squirrels Voles Woodchucks Woodrats Rodent-Proof Construction