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Mule Deer
Odocoileus hemionus
68,237 observations
California Ground Squirrel
Otospermophilus beecheyi
53,995 observations
Eastern Fox Squirrel
Sciurus niger
44,665 observations
Coyote
Canis latrans
38,678 observations
California Sea Lion
Zalophus californianus
27,748 observations
Desert Cottontail
Sylvilagus audubonii
27,258 observations
Harbor Seal
Phoca vitulina
20,318 observations
Common Raccoon
Procyon lotor
17,957 observations
Bobcat
Lynx rufus
15,631 observations
Western Gray Squirrel
Sciurus griseus
15,593 observations
Sea Otter
Enhydra lutris
11,052 observations
Black-tailed Jackrabbit
Lepus californicus
10,867 observations
Gray Fox
Urocyon cinereoargenteus
10,860 observations
Northern Elephant Seal
Mirounga angustirostris
10,445 observations
Striped Skunk
Mephitis mephitis
9,642 observations
Virginia Opossum
Didelphis virginiana
9,347 observations
Brush Rabbit
Sylvilagus bachmani
8,966 observations
Eastern Gray Squirrel
Sciurus carolinensis
8,833 observations
American Black Bear
Ursus americanus
8,707 observations
Wapiti
Cervus canadensis
8,025 observations
Domestic Cat
Felis catus
5,797 observations
North American River Otter
Lontra canadensis
5,331 observations
Humpback Whale
Megaptera novaeangliae
5,249 observations
Mountain Lion
Puma concolor
5,090 observations
Bighorn Sheep
Ovis canadensis
4,930 observations
Common Golden-mantled Ground Squirrel
Callospermophilus lateralis
4,025 observations
Douglas's Squirrel
Tamiasciurus douglasii
3,731 observations
White-tailed Antelope Squirrel
Ammospermophilus leucurus
3,654 observations
Island Fox
Urocyon littoralis
3,461 observations
Common Bottlenose Dolphin
Tursiops truncatus
3,374 observations
Yellow-bellied Marmot
Marmota flaviventris
3,105 observations
Douglas's Ground Squirrel
Otospermophilus douglasii
3,101 observations
Merriam's Chipmunk
Neotamias merriami
2,780 observations
American Beaver
Castor canadensis
2,447 observations
Botta's Pocket Gopher
Megascapheus bottae
2,295 observations
Wild Boar
Sus scrofa
1,926 observations
Dusky-footed Woodrat
Neotoma fuscipes
1,883 observations
California Vole
Microtus californicus
1,859 observations
Grey Whale
Eschrichtius robustus
1,786 observations
Donkey
Equus asinus
1,597 observations
Northern Broad-footed Mole
Scapanus latimanus
1,591 observations
Common Dolphin
Delphinus delphis
1,545 observations
Long-tailed Weasel
Neogale frenata
1,449 observations
American Pika
Ochotona princeps
1,367 observations
Black Rat
Rattus rattus
1,357 observations
Risso's Dolphin
Grampus griseus
1,253 observations
American Badger
Taxidea taxus
1,129 observations
Belding's Ground Squirrel
Urocitellus beldingi
981 observations
Sonoma Chipmunk
Neotamias sonomae
970 observations
American Shrewmole
Neurotrichus gibbsii
955 observations
Frequently Asked Questions
- The 10 most common mammals in California are:
- Mule Deer (Odocoileus hemionus)
- California Ground Squirrel (Otospermophilus beecheyi)
- Eastern Fox Squirrel (Sciurus niger)
- Coyote (Canis latrans)
- California Sea Lion (Zalophus californianus)
- Desert Cottontail (Sylvilagus audubonii)
- Harbor Seal (Phoca vitulina)
- Common Raccoon (Procyon lotor)
- Bobcat (Lynx rufus)
- Western Gray Squirrel (Sciurus griseus)
- The most observed mammal in California is Mule Deer (Odocoileus hemionus), with 68,237 recorded observations.
- Some of the most commonly observed native mammals in California include:
- California Sea Lion (Zalophus californianus)
- Sea Otter (Enhydra lutris)
- Northern Elephant Seal (Mirounga angustirostris)
- Brush Rabbit (Sylvilagus bachmani)
- Merriam's Chipmunk (Neotamias merriami)