Rodents (Rodentia)

Squirrels (Sciuridae) 6 New World rats and mice (Cricetidae) 4 Cavies (Caviidae) 3 Old World rats and mice (Muridae) 3

Beaver Guinea Pig Chinchilla Prairie Dog Banner-tailed Kangaroo Rat Patagonian Mara North American Porcupine Plains Pocket Gopher Flying Squirrel Naked Mole-rat Capybara Crested Porcupine Lemming Groundhog Gerbil Hamster Mouse Hazel Dormouse Coypu Bank Vole Muskrat California Ground Squirrel Springhare Rat Red Squirrel Chipmunk