c. vallicola (CDFW 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 Northern Baja deer mouse, Peromyscus fraterculus Gambel's deer mouse, Peromyscus gambelii Western deer mouse, Peromyscus sonoriensis 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 Three 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 Two species of jumping mice occur in California. Western jumping mouse, Zapus princeps Pacific jumping mouse, Zapus trinotatus Order: Rodentia Family: Erethizontidae One species of porcupine occurs in California. North American porcupine, Erethizon dorsatum Whales, dolphins and porpoises Order: Cetacea Family: Eschrichtiidae One species of gray whale occurs in California's waters. Gray whale, Eschrichtius robustus (migrant) Order: Cetacea Family: Balaenopteridae Six species of rorquals occur in California's waters. Minke whale, Balaenoptera acutorostrata Bryde's whale, Balaenoptera brydei (vagrant) Sei whale, Balaenoptera borealis Blue whale, Balaenoptera musculus Fin whale, Balaenoptera physalus Humpback whale, Megaptera novaeangliae Order: Cetacea Family: Balaenidae One species of right whale occurs in California's waters. North Pacific right whale, Eubalaena japonica (vagrant) Order: Cetacea Family: Delphinidae Twelve species of dolphins occur in California's waters. Short-beaked common dolphin, Delphinus delphis Long-beaked common dolphin, Delphinus capensis Short-finned pilot whale, Globicephala macrorhynchus Risso's dolphin, Grampus griseus Northern right whale dolphin, Lissodelphis borealis Killer whale, Orcinus orca False killer whale, Pseudorca crassidens (vagrant) Pacific white-sided dolphin, Sagmatias obliquidens Pantropical spotted dolphin, Stenella attenuata (vagrant) Striped dolphin, Stenella coeruleoalba Rough-toothed dolphin, Steno bredanensis (vagrant) Common bottlenose dolphin, Tursiops truncatus Order: Cetacea Family: Phocoenidae Two species of porpoises occur in California's waters. Harbour porpoise, Phocoena phocoena Dall's porpoise, Phocoenoides dalli Order: Cetacea Family: Kogiidae Two species of small sperm whales occur in California's waters. Pygmy sperm whale, Kogia breviceps Dwarf sperm whale, Kogia sima Order: Cetacea Family: Physeteridae One species of