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Mammals of Oakland, CA

The mammals most often spotted near Oakland, ranked by recent research-grade observations.

58,217
recent observations
50
species listed
50
mammals

Naturalists have logged 58,217 research-grade observations across the 50 most-recorded species near Oakland. The most frequently seen is the Mule Deer, with 8,969 recorded sightings.

Rarer finds confirmed near Oakland include Bobcat and Guadalupe Fur Seal - uncommon enough that a sighting is worth logging.

BobcatGuadalupe Fur Seal

Most-observed mammals near Oakland

Mule Deer
Odocoileus hemionus
8,969 observations
Coyote
Canis latrans
7,946 observations
Eastern Fox Squirrel
Sciurus niger
6,434 observations
California Ground Squirrel
Otospermophilus beecheyi
5,537 observations
California Sea Lion
Zalophus californianus
3,859 observations
Common Raccoon
Procyon lotor
3,584 observations
Eastern Gray Squirrel
Sciurus carolinensis
2,987 observations
Harbor Seal
Phoca vitulina
2,950 observations
Bobcat
Lynx rufus
1,551 observations
Brush Rabbit
Sylvilagus bachmani
1,510 observations
Black-tailed Jackrabbit
Lepus californicus
1,300 observations
Striped Skunk
Mephitis mephitis
1,091 observations
Gray Fox
Urocyon cinereoargenteus
942 observations
North American River Otter
Lontra canadensis
795 observations
Domestic Cat
Felis catus
788 observations
Virginia Opossum
Didelphis virginiana
765 observations
Humpback Whale
Megaptera novaeangliae
734 observations
Botta's Pocket Gopher
Megascapheus bottae
733 observations · iNaturalist
Sonoma Chipmunk
Neotamias sonomae
611 observations
Dusky-footed Woodrat
Neotoma fuscipes
540 observations
California Vole
Microtus californicus
537 observations
Northern Broad-footed Mole
Scapanus latimanus
468 observations
Western Gray Squirrel
Sciurus griseus
421 observations
Harbour Porpoise
Phocoena phocoena
309 observations
Grey Whale
Eschrichtius robustus
297 observations
Brown Rat
Rattus norvegicus
276 observations
Wild Boar
Sus scrofa
208 observations · iNaturalist
Black Rat
Rattus rattus
200 observations
Desert Cottontail
Sylvilagus audubonii
162 observations
Red Fox
Vulpes vulpes
147 observations
Mountain Lion
Puma concolor
145 observations
Common Bottlenose Dolphin
Tursiops truncatus
144 observations
Douglas's Ground Squirrel
Otospermophilus douglasii
143 observations
House Mouse
Mus musculus
132 observations
American Shrewmole
Neurotrichus gibbsii
131 observations
Long-tailed Weasel
Neogale frenata
119 observations · iNaturalist
Mexican Free-tailed Bat
Tadarida brasiliensis
112 observations
Muskrat
Ondatra zibethicus
108 observations
Merriam's Chipmunk
Neotamias merriami
95 observations
Northern Elephant Seal
Mirounga angustirostris
82 observations
Wapiti
Cervus canadensis
52 observations
Steller Sea Lion
Eumetopias jubatus
45 observations
American Badger
Taxidea taxus
43 observations
Western Deer Mouse
Peromyscus sonoriensis
40 observations
European Rabbit
Oryctolagus cuniculus
39 observations
Northern Hoary Bat
Lasiurus cinereus
32 observations
Western Harvest Mouse
Reithrodontomys megalotis
27 observations
Guadalupe Fur Seal
Arctocephalus townsendi
26 observations
American Beaver
Castor canadensis
26 observations
Fin Whale
Balaenoptera physalus
25 observations

Built from recent research-grade iNaturalist observations. Identifications are community-sourced and may occasionally be wrong, and the ranking reflects where people record and photograph wildlife, so a species seen often here is not necessarily rare elsewhere. Some plants and animals are only out in certain seasons. Treat this as a lively snapshot of what people are finding, not a formal checklist.

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