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Mule Deer
Odocoileus hemionus
70,949 observations
California Ground Squirrel
Otospermophilus beecheyi
56,191 observations
Eastern Fox Squirrel
Sciurus niger
46,001 observations
Coyote
Canis latrans
39,948 observations
California Sea Lion
Zalophus californianus
29,107 observations
Desert Cottontail
Sylvilagus audubonii
28,065 observations
Harbor Seal
Phoca vitulina
21,084 observations
Common Raccoon
Procyon lotor
18,450 observations
Western Gray Squirrel
Sciurus griseus
16,123 observations
Bobcat
Lynx rufus
16,081 observations
Sea Otter
Enhydra lutris
11,620 observations
Gray Fox
Urocyon cinereoargenteus
11,273 observations
Black-tailed Jackrabbit
Lepus californicus
11,203 observations
Northern Elephant Seal
Mirounga angustirostris
10,830 observations
Striped Skunk
Mephitis mephitis
10,045 observations
Virginia Opossum
Didelphis virginiana
9,673 observations
Brush Rabbit
Sylvilagus bachmani
9,186 observations
Eastern Gray Squirrel
Sciurus carolinensis
9,129 observations
American Black Bear
Ursus americanus
8,984 observations
Elk
Cervus canadensis
8,323 observations
Domestic Cat
Felis catus
5,982 observations
North American River Otter
Lontra canadensis
5,459 observations
Humpback Whale
Megaptera novaeangliae
5,372 observations
Mountain Lion
Puma concolor
5,177 observations
Bighorn Sheep
Ovis canadensis
5,009 observations
Common Golden-mantled Ground Squirrel
Callospermophilus lateralis
4,191 observations
Douglas's Squirrel
Tamiasciurus douglasii
3,878 observations
White-tailed Antelope Squirrel
Ammospermophilus leucurus
3,747 observations
Island Fox
Urocyon littoralis
3,629 observations
Common Bottlenose Dolphin
Tursiops truncatus
3,435 observations
Yellow-bellied Marmot
Marmota flaviventris
3,298 observations
Douglas's Ground Squirrel
Otospermophilus douglasii
3,205 observations
Merriam's Chipmunk
Neotamias merriami
2,889 observations
Botta's Pocket Gopher
Megascapheus bottae
2,853 observations
American Beaver
Castor canadensis
2,520 observations
Wild Boar
Sus scrofa
1,978 observations
California Vole
Microtus californicus
1,927 observations
Dusky-footed Woodrat
Neotoma fuscipes
1,903 observations
Grey Whale
Eschrichtius robustus
1,854 observations
Common Dolphin
Delphinus delphis
1,689 observations
Donkey
Equus asinus
1,663 observations
Northern Broad-footed Mole
Scapanus latimanus
1,631 observations
Long-tailed Weasel
Neogale frenata
1,558 observations
Black Rat
Rattus rattus
1,514 observations
American Pika
Ochotona princeps
1,407 observations
Risso's Dolphin
Grampus griseus
1,277 observations
American Badger
Taxidea taxus
1,164 observations
American Shrewmole
Neurotrichus gibbsii
1,009 observations
Sonoma Chipmunk
Neotamias sonomae
1,008 observations
Belding's Ground Squirrel
Urocitellus beldingi
992 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 70,949 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)