Loading species data...
Fetching observations
Mule Deer
Odocoileus hemionus
70,404 observations
California Ground Squirrel
Otospermophilus beecheyi
55,765 observations
Eastern Fox Squirrel
Sciurus niger
45,914 observations
Coyote
Canis latrans
39,702 observations
California Sea Lion
Zalophus californianus
28,895 observations
Desert Cottontail
Sylvilagus audubonii
27,942 observations
Harbor Seal
Phoca vitulina
20,972 observations
Common Raccoon
Procyon lotor
18,356 observations
Western Gray Squirrel
Sciurus griseus
16,071 observations
Bobcat
Lynx rufus
15,989 observations
Sea Otter
Enhydra lutris
11,503 observations
Gray Fox
Urocyon cinereoargenteus
11,193 observations
Black-tailed Jackrabbit
Lepus californicus
11,150 observations
Northern Elephant Seal
Mirounga angustirostris
10,764 observations
Striped Skunk
Mephitis mephitis
9,964 observations
Virginia Opossum
Didelphis virginiana
9,622 observations
Brush Rabbit
Sylvilagus bachmani
9,135 observations
Eastern Gray Squirrel
Sciurus carolinensis
9,106 observations
American Black Bear
Ursus americanus
8,933 observations
Elk
Cervus canadensis
8,274 observations
Domestic Cat
Felis catus
5,952 observations
North American River Otter
Lontra canadensis
5,434 observations
Humpback Whale
Megaptera novaeangliae
5,331 observations
Mountain Lion
Puma concolor
5,164 observations
Bighorn Sheep
Ovis canadensis
5,002 observations
Common Golden-mantled Ground Squirrel
Callospermophilus lateralis
4,142 observations
Douglas's Squirrel
Tamiasciurus douglasii
3,856 observations
White-tailed Antelope Squirrel
Ammospermophilus leucurus
3,732 observations
Island Fox
Urocyon littoralis
3,605 observations
Common Bottlenose Dolphin
Tursiops truncatus
3,426 observations
Yellow-bellied Marmot
Marmota flaviventris
3,215 observations
Douglas's Ground Squirrel
Otospermophilus douglasii
3,193 observations
Merriam's Chipmunk
Neotamias merriami
2,870 observations
Botta's Pocket Gopher
Megascapheus bottae
2,731 observations
American Beaver
Castor canadensis
2,515 observations
Wild Boar
Sus scrofa
1,974 observations
California Vole
Microtus californicus
1,911 observations
Dusky-footed Woodrat
Neotoma fuscipes
1,901 observations
Grey Whale
Eschrichtius robustus
1,845 observations
Common Dolphin
Delphinus delphis
1,678 observations
Donkey
Equus asinus
1,655 observations
Northern Broad-footed Mole
Scapanus latimanus
1,629 observations
Long-tailed Weasel
Neogale frenata
1,545 observations
Black Rat
Rattus rattus
1,511 observations
American Pika
Ochotona princeps
1,393 observations
Risso's Dolphin
Grampus griseus
1,271 observations
American Badger
Taxidea taxus
1,157 observations
American Shrewmole
Neurotrichus gibbsii
1,008 observations
Sonoma Chipmunk
Neotamias sonomae
1,000 observations
Belding's Ground Squirrel
Urocitellus beldingi
990 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 70,404 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)