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Mule Deer
Odocoileus hemionus
72,885 observations
California Ground Squirrel
Otospermophilus beecheyi
57,620 observations
Eastern Fox Squirrel
Sciurus niger
46,449 observations
Coyote
Canis latrans
40,768 observations
California Sea Lion
Zalophus californianus
29,928 observations
Desert Cottontail
Sylvilagus audubonii
28,547 observations
Harbor Seal
Phoca vitulina
21,658 observations
Common Raccoon
Procyon lotor
18,771 observations
Western Gray Squirrel
Sciurus griseus
16,414 observations
Bobcat
Lynx rufus
16,282 observations
Sea Otter
Enhydra lutris
11,917 observations
Gray Fox
Urocyon cinereoargenteus
11,594 observations
Black-tailed Jackrabbit
Lepus californicus
11,513 observations
Northern Elephant Seal
Mirounga angustirostris
11,049 observations
Striped Skunk
Mephitis mephitis
10,270 observations
Virginia Opossum
Didelphis virginiana
9,948 observations
Eastern Gray Squirrel
Sciurus carolinensis
9,391 observations
American Black Bear
Ursus americanus
9,353 observations
Brush Rabbit
Sylvilagus bachmani
9,347 observations
Wapiti
Cervus canadensis
8,555 observations
Domestic Cat
Felis catus
6,097 observations
North American River Otter
Lontra canadensis
5,555 observations
Humpback Whale
Megaptera novaeangliae
5,552 observations
Mountain Lion
Puma concolor
5,225 observations
Bighorn Sheep
Ovis canadensis
5,049 observations
Common Golden-mantled Ground Squirrel
Callospermophilus lateralis
4,617 observations
Douglas's Squirrel
Tamiasciurus douglasii
4,062 observations
White-tailed Antelope Squirrel
Ammospermophilus leucurus
3,881 observations
Island Fox
Urocyon littoralis
3,718 observations
Yellow-bellied Marmot
Marmota flaviventris
3,565 observations
Common Bottlenose Dolphin
Tursiops truncatus
3,481 observations
Douglas's Ground Squirrel
Otospermophilus douglasii
3,288 observations
Merriam's Chipmunk
Neotamias merriami
3,027 observations
Botta's Pocket Gopher
Megascapheus bottae
2,937 observations
American Beaver
Castor canadensis
2,566 observations
Wild Boar
Sus scrofa
2,023 observations
California Vole
Microtus californicus
1,966 observations
Dusky-footed Woodrat
Neotoma fuscipes
1,919 observations
Grey Whale
Eschrichtius robustus
1,881 observations
Common Dolphin
Delphinus delphis
1,788 observations
Donkey
Equus asinus
1,700 observations
Northern Broad-footed Mole
Scapanus latimanus
1,636 observations
Long-tailed Weasel
Neogale frenata
1,608 observations
Black Rat
Rattus rattus
1,538 observations
American Pika
Ochotona princeps
1,473 observations
Risso's Dolphin
Grampus griseus
1,288 observations
Belding's Ground Squirrel
Urocitellus beldingi
1,203 observations
American Badger
Taxidea taxus
1,202 observations
Sonoma Chipmunk
Neotamias sonomae
1,043 observations
American Shrewmole
Neurotrichus gibbsii
1,028 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)
- Western Gray Squirrel (Sciurus griseus)
- Bobcat (Lynx rufus)
- The most observed mammal in California is Mule Deer (Odocoileus hemionus), with 72,885 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)