Rodents
Order: Rodentia Family: Aplodontiidae
One species of mountain beaver occurs in California.
- Mountain Beaver, Aplodontia rufa
- Sierra Nevada Mountain Beaver, A. rufa californica (CDFG special concern; endemic)
- Point Arena Mountain Beaver, A. rufa nigra (CDFG special concern; endemic)
- Point Reyes Mountain Beaver, A. rufa phaea (CDFG special concern; endemic)
Order: Rodentia Family: Sciuridae
29 species of squirrels, chipmunks, and marmots occur in California.
Subfamily Sciurinae (tree squirrels and flying squirrels)
- Northern Flying Squirrel, Glaucomys sabrinus
- San Bernardino Flying Squirrel, G. sabrinus californicus (CDFG special concern; endemic)
- Eastern Gray Squirrel, Sciurus carolinensis (introduced, harvest)
- Western Gray Squirrel, Sciurus griseus (harvest)
- Eastern Fox Squirrel, Sciurus niger (introduced, harvest)
- Douglas' Squirrel, Tamiasciurus douglasii (harvest)
Subfamily Xerinae (chipmunks and ground squirrels)
- White-tailed Antelope Ground Squirrel, Ammospermophilus leucurus
- Nelson's Antelope Ground Squirrel, Ammospermophilus nelsoni (Endemic)
- Yellow-bellied Marmot, Marmota flaviventris
- California Ground Squirrel, Spermophilus beecheyi
- Belding's Ground Squirrel, Spermophilus beldingi
- Golden-mantled Ground Squirrel, Spermophilus lateralis
- Mohave Ground Squirrel, Spermophilus mohavensis (Endemic)
- Round-tailed Ground Squirrel, Spermophilus tereticaudus
- Palm Springs Round-tailed Ground Squirrel, S. tereticaudus chlorus (CDFG special concern; endemic)
- Townsend's Ground Squirrel, Spermophilus townsendii
- Rock Squirrel, Spermophilus variegatus
- Alpine Chipmunk, Tamias alpinus (endemic)
- Yellow-pine Chipmunk, Tamias amoenus
- Merriam's Chipmunk, Tamias merriami
- Least Chipmunk, Tamias minimus
- California Chipmunk, Tamias obscurus
- Yellow-cheeked Chipmunk, Tamias ochrogenys (endemic)
- Panamint Chipmunk, Tamias panamintinus
- Long-eared Chipmunk, Tamias quadrimaculatus
- Allen's Chipmunk, Tamias senex
- Siskiyou Chipmunk, Tamias siskiyou
- Sonoma Chipmunk, Tamias sonomae (endemic)
- Lodgepole Chipmunk, Tamias speciosus
- Uinta Chipmunk, Tamias umbrinus
Order: Rodentia Family: Castoridae
One species of beaver occurs in California.
- American Beaver, Castor canadensis (introduced, harvest)
Order: Rodentia Family: Geomyidae
5 species of pocket gophers occur in California.
- Botta's Pocket Gopher, Thomomys bottae
- Western Pocket Gopher, Thomomys mazama
- Mountain Pocket Gopher, Thomomys monticola
- Northern Pocket Gopher, Thomomys talpoides
- Townsend's Pocket Gopher, Thomomys townsendii
Order: Rodentia Family: Heteromyidae
26 species of pocket mice and kangaroo rats occur in California.
Subfamily Dipodomyinae (kangaroo rats and mice)
- Pacific (or Agile) Kangaroo Rat, Dipodomys agilis (endemic)
- California Kangaroo Rat, Dipodomys californicus
- Marysville California Kangaroo Rat, D. californicus eximus (CDFG special concern; endemic)
- Desert Kangaroo Rat, Dipodomys deserti
- Big-eared Kangaroo Rat, Dipodomys elephantinus (CDFG special concern; endemic)
- Heermann's Kangaroo Rat, Dipodomys heermanni (endemic)
- Giant Kangaroo Rat, Dipodomys ingens (endemic)
- Merriam's Kangaroo Rat, Dipodomys merriami
- San Bernardino Merriam's Kangaroo Rat, D. merriami parvus (CDFG special concern; endemic)
- Chisel-toothed Kangaroo Rat, Dipodomys microps]
- Fresno Kangaroo Rat, Dipodomys nitratoides (endemic)
- Short-nosed Kangaroo Rat, D. nitratoides brevinasus (CDFG special concern; endemic)
- Tipton kangaroo rat, D. nitratoides nitratoides (CDFG special concern; endemic)
- Ord's Kangaroo Rat, Dipodomys ordii
- Panamint Kangaroo Rat, Dipodomys panamintinus
- San Diego Kangaroo Rat, Dipodomys simulans
- Stephens' Kangaroo Rat, Dipodomys stephensi (endemic)
- Narrow-faced Kangaroo Rat, Dipodomys venustus (endemic)
- Dark Kangaroo Mouse, Microdipodops megacephalus
- Pale Kangaroo Mouse, Microdipodops pallidus
Subfamily Perognathinae (pocket mice)
- Bailey's Pocket Mouse, Chaetodipus baileyi
- California Pocket Mouse, Chaetodipus californicus
- Dulzura Pocket Mouse, C. californicus femoralis (CDFG special concern; endemic)
- San Diego Pocket Mouse, Chaetodipus fallax
- Northwestern San Diego Pocket Mouse, C. fallax fallax (CDFG special concern; endemic)
- Pallid San Diego Pocket Mouse, C. fallax pallidus (CDFG special concern; endemic)
- Long-tailed Pocket Mouse, Chaetodipus formosus
- Desert Pocket Mouse, Chaetodipus penicillatus
- Spiny Pocket Mouse, Chaetodipus spinatus
- White-eared Pocket Mouse, Perognathus alticola (endemic)
- White-eared Pocket Mouse, P. alticola alticola (CDFG special concern; endemic)
- Tehachapi Pocket Mouse, P. alticola inexpectatus (CDFG special concern; endemic)
- San Joaquin Pocket Mouse, Perognathus inornatus (endemic)
- Salinas Pocket Mouse, P. inornatus psammophilus (CDFG special concern; endemic)
- Little Pocket Mouse, Perognathus longimembris
- Palm Springs Pocket Mouse, P. longimembris bangsi (CDFG special concern; endemic)
- Los Angeles Pocket Mouse, P. longimembris brevinasus (CDFG special concern; endemic)
- Jacumba Pocket Mouse, P. longimembris internationalis (CDFG special concern; endemic)
- Pacific Pocket Mouse, P. longimembris pacificus (CDFG special concern; endemic)
- Great Basin Pocket Mouse, Perognathus parvus
Order: Rodentia Family: Cricetidae
29 species of voles and New World rats and mice occur in California.
Subfamily Arvicolinae (lemmings, voles, and muskrat)
- White-footed Vole, Arborimus albipes (CDFG special concern)
- Sonoma Tree Vole, Arborimus pomo (CDFG special concern; endemic)
- Western Red-backed Vole, Clethrionomys californicus
- Sagebrush Vole, Lemmiscus curtatus
- California Vole, Microtus californicus
- Monterey Vole, M. californicus halophilus (endemic)
- Mojave River Vole, M. californicus mohavensis (CDFG special concern; endemic)
- San Pablo Vole, M. californicus sanpabloensis (CDFG special concern; endemic)
- Amargosa Vole, M. californicus scirpensis (Federal and State endangered; endemic)
- South Coast Marsh Vole, M. californicus stephensi (CDFG special concern; endemic)
- Owens Valley Vole, M. californicus vallicola (CDFG special concern; endemic)
- Long-tailed Vole, Microtus longicaudus
- Montane Vole, Microtus montanus
- Creeping Vole, Microtus oregoni
- Townsend's Vole, Microtus townsendii
- Muskrat, Ondatra zibethicus (introduced, harvest)
- Heather Vole, Phenacomys intermedius
Subfamily Neotominae (North American rats and mice)
- White-throated Woodrat, Neotoma albigula
- Bushy-tailed Woodrat, Neotoma cinerea
- Dusky-footed Woodrat, Neotoma fuscipes
- Desert Woodrat, Neotoma lepida
- Large-eared Woodrat, Neotoma macrotis
- Northern Grasshopper Mouse, Onychomys leucogaster
- Southern Grasshopper Mouse, Onychomys torridus
- Brush Mouse, Peromyscus boylii
- California Mouse, Peromyscus californicus
- Canyon Mouse, Peromyscus crinitus
- Cactus Mouse, Peromyscus eremicus
- Baja Mouse, Peromyscus fraterculus
- Deer Mouse, Peromyscus maniculatus
- Pinyon Mouse, Peromyscus truei
- Salt Marsh Harvest Mouse, Reithrodontomys raviventris (endemic)
- Western Harvest Mouse, Reithrodontomys megalotis
Subfamily Sigmodontinae (cotton rats)
- Arizona Cotton Rat, Sigmodon arizonae
- Hispid Cotton Rat, Sigmodon hispidus
Order: Rodentia Family: Muridae
3 species of Old World rats and mice occur in California.
- House Mouse, Mus musculus (introduced)
- Norway Rat, Rattus norvegicus (introduced)
- Black Rat, Rattus rattus (introduced)
Order: Rodentia Family: Dipodidae
2 species of jumping mice occur in California.
- Western Jumping Mouse, Zapus princeps
- Pacific Jumping Mouse, Zapus trinotatus
Order: Rodentia Family: Myocastoridae
One species of coypu occurs in California.
- Nutria, Myocastor coypus (introduced)
Order: Rodentia Family: Erethizontidae
One species of porcupine occurs in California.
- Common Porcupine, Erethizon dorsatum
Read more about this topic: List Of Mammals Of California