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Mammals of Santa Ana, CA

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

31,070
recent observations
50
species listed
50
mammals

Naturalists have logged 31,070 research-grade observations across the 50 most-recorded species near Santa Ana. The most frequently seen is the Eastern Fox Squirrel, with 8,584 recorded sightings.

Rarer finds confirmed near Santa Ana include Bobcat and Blue Whale - uncommon enough that a sighting is worth logging.

BobcatBlue Whale

Most-observed mammals near Santa Ana

Eastern Fox Squirrel
Sciurus niger
8,584 observations
California Ground Squirrel
Otospermophilus beecheyi
5,810 observations
Desert Cottontail
Sylvilagus audubonii
4,417 observations
Coyote
Canis latrans
2,328 observations
California Sea Lion
Zalophus californianus
1,377 observations
Virginia Opossum
Didelphis virginiana
1,321 observations
Mule Deer
Odocoileus hemionus
1,175 observations
Common Raccoon
Procyon lotor
977 observations
Common Dolphin
Delphinus delphis
745 observations
Domestic Cat
Felis catus
740 observations
Striped Skunk
Mephitis mephitis
723 observations
Common Bottlenose Dolphin
Tursiops truncatus
389 observations
Harbor Seal
Phoca vitulina
328 observations
Bobcat
Lynx rufus
245 observations
Black Rat
Rattus rattus
177 observations
Brush Rabbit
Sylvilagus bachmani
160 observations
Mountain Lion
Puma concolor
159 observations
Botta's Pocket Gopher
Megascapheus bottae
159 observations · iNaturalist
Humpback Whale
Megaptera novaeangliae
135 observations
Grey Whale
Eschrichtius robustus
131 observations
Fin Whale
Balaenoptera physalus
98 observations
European Rabbit
Oryctolagus cuniculus
93 observations
Gray Fox
Urocyon cinereoargenteus
80 observations
Blue Whale
Balaenoptera musculus
76 observations
Western Gray Squirrel
Sciurus griseus
65 observations
House Mouse
Mus musculus
55 observations
Red Fox
Vulpes vulpes
51 observations
Long-tailed Weasel
Neogale frenata
51 observations · iNaturalist
Common Minke Whale
Balaenoptera acutorostrata
47 observations
Brown Rat
Rattus norvegicus
39 observations
California Vole
Microtus californicus
38 observations
Pacific White-sided Dolphin
Aethalodelphis obliquidens
29 observations · iNaturalist
Mexican Free-tailed Bat
Tadarida brasiliensis
27 observations
Southern Broad-footed Mole
Scapanus occultus
26 observations
Orca
Orcinus orca
25 observations
Risso's Dolphin
Grampus griseus
25 observations
Big-eared Woodrat
Neotoma macrotis
21 observations
Western Harvest Mouse
Reithrodontomys megalotis
19 observations
Northern Elephant Seal
Mirounga angustirostris
17 observations
Domestic Dog
Canis familiaris
16 observations
Gambel's Deer Mouse
Peromyscus gambelii
16 observations
Wild Boar
Sus scrofa
13 observations · iNaturalist
Yuma Myotis
Myotis yumanensis
12 observations
Dusky-footed Woodrat
Neotoma fuscipes
10 observations
American Black Bear
Ursus americanus
9 observations
Western Spotted Skunk
Spilogale gracilis
8 observations
Sperm Whale
Physeter macrocephalus
7 observations
Merriam's Chipmunk
Neotamias merriami
7 observations
Northern Hoary Bat
Lasiurus cinereus
5 observations
American Badger
Taxidea taxus
5 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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