Rodents
- Abert squirrels - Sciurus aberti
- African Ground Squirrel
- African Hedgehog - Erinaceus albiventris
- African Porcupine
- Allen's Woodrat - Hodomys alleni
- Amargosa Vole - Microtus Californicus Scirpensis
- American Beaver - Castor canadensis
- American Red Squirrel - Tamiasciurus hudsonicus
- Attwater's Pocket Gopher
- Baird's Pocket Gopher
- Banner-tailed Kangaroo Rat
- Black-striped Field Mouse - Apodemus agrarius
- Black-tailed Prairie Dog - Cynomys ludovicianus
- Botta's Pocket Gopher
- Brush Mouse
- Capybara - Hydrochaeris hydrochaeris
- Cautus Mouse
- Chinchilla - Chinchilla brevicaudata
- Columbian Ground Squirrel - Spermophililus columbianus
- Common or Black-bellied Hamster - Cricetus cricetus
- Cotton Mouse
- Coues' Rice Rat
- Deer Mouse
- Degu - Octodon degu
- Desert Pocket Gopher
- Dormouse
- Duprasi or Fat-tailed Gerbils
- Eastern Chipmunk - Tamais striatus
- Eastern Flying Squirrel
- Eastern Fox Squirrel
- Eastern Grey Squirrel - Sciurus carolinensis
- Eastern Harvest Mouse - Reithrodontomys humulis
- Eastern Woodrat - Neotoma Floridana
- European Beaver - Castor fiber
- Fox Squirrel - Sciurus niger
- Fresno Kangaroo Rat - Dipodomys nitratoides exilis
- Fulvous Harvest Mouse
- Gambian or African Giant Pouched Rat
- Giant Flying Squirrel - Petaurista petaurista
- Giant Kangaroo Rat - Dipodomys ingens
- Golden Mouse
- Golden-rump Agouti
- Grasshopper Mouse - Onychomys torridus
- Gray-footed Chipmunk
- Groundhog, Woodchuck, or Whistlepig - Marmota monax
- Guinea Pigs - Cavia porcellus
- Gulf Coast Kangaroo Rat
- Harvest Mouse
- Hispid Cotton Rat
- Hispid Pocket Mouse
- House Mouse - Mus musculus
- Jones' Pocket Gopher
- Llano Pocket Gopher
- Marsh Rice Rat
- Meadow Jumping Mouse - Zapus hudsonius
- Mearns' Grasshopper Mouse
- Merriam's Kangaroo Rat
- Merriam's Pocket Mouse
- Mexican Ground Squirrel
- Mexican Prairie Dog - Cynomys mexicanus
- Mexican Spiny Pocket Mouse
- Mexican Vole
- Mexican Woodrat
- Mongolian Gerbil or Clawed Jird
- Mountain Beaver - Aplodontia rufa
- Mountain Viscacha - Lagidium viscacia
- Muskrat - Ondatra zibethicus
- Naked Mole-Rat - Heterocephalus glaber
- Nelson's Pocket Mouse
- Ngoye Red Squirrel
- North American Porcupine - Erethizon dorsatum
- Northern Flying Squirrel - Glaucomys sabrinus
- Northern Grasshopper Mouse
- Northern Pygmy Mouse
- Northern Rock Mouse
- Norway Lemming - Lemmus lemmus
- Norway Rat - Rattus norvegicus
- Nutria
- Ord's Kangaroo Rat
- Paca or Agouti - Agouti paca
- Painted Spiny Pocket Mouse - Liomys pictus
- Patagonian Cavy - Dolochotis patagonum
- Pinon Mouse
- Plains Harvest Mouse
- Plains Pocket Gopher
- Plains Pocket Mouse
- Prairie Vole
- Prehensile-tailed Porcupine - Coendou prehensilis
- Prevost's Squirrel
- Red Squirrel
- Red-backed Vole - Clethrionomys gapperi
- Ring-tailed Ground Squirrel - Spermophilus annulatus
- Riparian Woodrat - Neotoma fuscipes riparia
- Rock Pocket Mouse
- Rock Squirrel
- Roof Rat
- Russian Dwarf Hamster
- San Joaquin Antelope Squirrel - Ammospermophilus nelsoni
- San Joaquin Pocket Mouse - Perognathus inornatus inornatus
- Short-nosed Kangaroo Rat - Dipodomys nitratoides brevinasus
- Siberian Chipmunk - Tamias sibiricus
- Silky Pocket Mouse
- Southern Bog Lemming - Synaptomys cooperi
- Southern Flying Squirrel - Glaucomys volans
- Southern Plains Woodrat
- Spotted Ground Squirrel
- Striped or Chad Ground Squirrel - Xerus erythropus
- Tawny-bellied Cotton Rat
- Texas Antelope Squirrel
- Texas Kangaroo Rat
- Texas Mouse
- Texas Pocket Gopher
- Thirteen-lined Ground Squirrel
- Tipton Kangaroo Rat - Dipodomys nitratoides nitratoides
- Tonga Red Squirrel
- Tree Squirrel
- Tuco-tuco - Ctenomys haigi
- Tulare Grasshopper Mouse - Onychomys torridus tularensis
- Vancouver Island Marmot
- Water Vole
- Watson's Tree Climbing Rat - Tylomys watsoni
- Western Grey Squirrels - Sciurus griseus
- Western Harvest Mouse - Reithrodontomys megalotis
- White-ankled Mouse
- White-eared Pocket Mouse - Perognathus alticolus
- White-footed Mouse - Peromyscus leucopus
- White-footed Vole - Arborimus albipes
- White-tailed Mouse
- White-tailed Prairie Dog - Cynomys leucurus
- White-throated Woodrat
- Wood or Long-tailed Field Mouse
- Woodland (pine) Vole - Microtus pinetorum
- Woodland Jumping Mouse - Napaeozapus insignis
- Woodrat
- Yellow-bellied Marmot - Marmota flaviventris
- Yellow-faced Pocket Gopher
- Yellow-necked Mouse
- Yellow-nosed Cotton Rat
- Yucatan Squirrel - Sciurus yucatanensis
- Zyzomys (Rock Rat)
- General Rodent Information