Marsupialia

• Didelphidae (Opossums)
  • Virginia Opossum (Didelphis virginiana)

Lagomorpha

• Leporidae (Hares and Rabbits)
  • Audubon’s (Desert) Cottontail (Sylvilagus auduboni)
  • Brush Rabbit (Sylvilagus bachmani)
  • Blacktail Jackrabbit (Lepus californicus)

Insectivora

• Soricidae (Shrews)
  • Ornate Shrew (Sorex ornatus)
  • Gray Shrew (Notiosorex crawfordi)
• Talpidae (Moles)
  • California Mole (Scapanus latimanus)

Chiroptera

• Phyllostomidae (Leafnose Bats)
  • Leafnose Bat (Macrotus californicus)
• Vespertilionidae (Plainnose Bats)
  • Myotis (Little Brown Bat) group, many species (Myotis spp.)
  • Big Brown Bat (Eptesicus fuscus)
  • Pallid Bat (Antrozous pallidus)
  • Western Pipistrel (Pipistrellus hesperus)
  • Hoary Bat (Lasiurus cinereus)
  • Red Bat (Lasiurus borealis)
  • Western Yellow (Lasiurus ega)
  • Western Big-eared Bat (Plecotus townsendi)
• Molossidae (Freetail Bats)
  • Mexican Freetail Bat (Tadarida brasiliensis)
  • Western Mastiff Bat (Eumops perotis)

Rodentia

• Geomyidae (Pocket Gophers)
  • Botta’s Pocket Gopher (Thomomys bottae)
• Heteromyidae (Pocket Mice, Kangaroo Mice, Kangaroo Rats)
  • California Pocket Mouse (Chaetodipus californicus)
  • San Diego Pocket Mouse (Chaetodipus fallax)
  • Little Pocket Mouse (Perognathus longimembris)
  • Dulzura Kangaroo Rat (Dipodomys simulans)
  • San Bernardino Kangaroo Rat (Dipodomys merriami parvus)
• Cricetidae (Mice and Rats)
  • Desert Wood Rat (Neotoma lepida)
  • Dusky-footed Wood Rat (Neotoma fuscipes)
  • Brush Mouse (Peromyscus boylii)
  • Cactus Mouse (Peromyscus eremicus)'
  • California Mouse (Peromyscus californicus)
  • Deer Mouse (Peromyscus maniculatus)
  • Western Harvest Mouse (Reithrodontomys megalotis)
• Muridae (Old World Rats and Mice)
  • House Mouse (Mus musculus)
  • Black Rat (Rattus rattus)
  • Norway Rat (Rattus norvegicus)
• Arvicollidae (Voles)
  • California Vole (Microtus californicus)
• Sciuridae (Marmots, Woodchucks, Prairie Dogs, Ground Squirrels, Tree Squirrels)
  • California Ground Squirrel (Citellus [Spermophilus] beecheyi)
  • Western Grey Squirrel (Sciurus griseus)
  • Merriam's Chipmunk (Eutamias merriami)

Carnivora

• Basseriscidae (Ringtails)
  • Ringtail (Bassariscus astutus)
• Canidae (Foxes, Wolves, Coyotes)
  • Coyote (Canis latrans)
  • Gray Fox (Urocyon cinereoargenteus)
• Felidae (Cats)
  • Bobcat (Lynx rufus)
  • Mountain Lion (Felis concolor)
• Mustelidae (Weasels, Skunks, and Allies)
  • Long-tailed Weasel (Mustela frenata)
  • Badger (Taxidea taxus)
  • Spotted Skunk (Spilogale putorius)
  • Striped Skunk (Mephitis mephitis)
• Procyonidae (Raccoons and Coatis)
  • Raccoon (Procyon lotor)
• Ursidae (Bears)
  • American Black Bear (Ursus americanus)

Ungulata

• Bovidae (Bison, Goats, Muskox, Sheep)
  • Nelson’s Bighorn Sheep (Ovis canadensis nelsoni)
• Cervidae (Deer and Moose)
  • Mule (Blacktail) Deer (Odocoileus hemionus)