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Mule Deer
Odocoileus hemionus
75,485 observations
California Ground Squirrel
Otospermophilus beecheyi
59,493 observations
Eastern Fox Squirrel
Sciurus niger
47,269 observations
Coyote
Canis latrans
41,691 observations
California Sea Lion
Zalophus californianus
31,002 observations
Desert Cottontail
Sylvilagus audubonii
29,092 observations
Harbor Seal
Phoca vitulina
22,301 observations
Common Raccoon
Procyon lotor
19,244 observations
Western Gray Squirrel
Sciurus griseus
17,318 observations
Bobcat
Lynx rufus
16,507 observations
Sea Otter
Enhydra lutris
12,238 observations
Gray Fox
Urocyon cinereoargenteus
12,012 observations
Black-tailed Jackrabbit
Lepus californicus
11,852 observations
Northern Elephant Seal
Mirounga angustirostris
11,370 observations
Striped Skunk
Mephitis mephitis
10,575 observations
Virginia Opossum
Didelphis virginiana
10,255 observations
American Black Bear
Ursus americanus
9,760 observations
Eastern Gray Squirrel
Sciurus carolinensis
9,584 observations
Brush Rabbit
Sylvilagus bachmani
9,536 observations
Wapiti
Cervus canadensis
9,023 observations
Domestic Cat
Felis catus
6,256 observations
Humpback Whale
Megaptera novaeangliae
5,792 observations
North American River Otter
Lontra canadensis
5,740 observations
Mountain Lion
Puma concolor
5,274 observations
Bighorn Sheep
Ovis canadensis
5,149 observations
Common Golden-mantled Ground Squirrel
Callospermophilus lateralis
5,087 observations
Douglas's Squirrel
Tamiasciurus douglasii
4,489 observations
White-tailed Antelope Squirrel
Ammospermophilus leucurus
4,028 observations
Island Fox
Urocyon littoralis
3,821 observations
Yellow-bellied Marmot
Marmota flaviventris
3,797 observations
Common Bottlenose Dolphin
Tursiops truncatus
3,544 observations
Douglas's Ground Squirrel
Otospermophilus douglasii
3,483 observations
Merriam's Chipmunk
Neotamias merriami
3,174 observations
Botta's Pocket Gopher
Megascapheus bottae
3,044 observations
American Beaver
Castor canadensis
2,681 observations
Wild Boar
Sus scrofa
2,085 observations
California Vole
Microtus californicus
1,997 observations
Dusky-footed Woodrat
Neotoma fuscipes
1,928 observations
Grey Whale
Eschrichtius robustus
1,903 observations
Common Dolphin
Delphinus delphis
1,872 observations
Donkey
Equus asinus
1,725 observations
Northern Broad-footed Mole
Scapanus latimanus
1,653 observations
Long-tailed Weasel
Neogale frenata
1,643 observations
American Pika
Ochotona princeps
1,589 observations
Black Rat
Rattus rattus
1,586 observations
Risso's Dolphin
Grampus griseus
1,307 observations
Belding's Ground Squirrel
Urocitellus beldingi
1,269 observations
American Badger
Taxidea taxus
1,236 observations
American Shrewmole
Neurotrichus gibbsii
1,094 observations
Sonoma Chipmunk
Neotamias sonomae
1,085 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 75,485 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)