Mammals of Riverside, CA
The mammals most often spotted near Riverside, ranked by recent research-grade observations.
21,460
recent observations
50
species listed
50
mammals
Naturalists have logged 21,460 research-grade observations across the 50 most-recorded species near Riverside. The most frequently seen is the California Ground Squirrel, with 2,817 recorded sightings.
Rarer finds confirmed near Riverside include Bobcat, Bryant's Woodrat, Dulzura Kangaroo Rat and Canyon Bat - uncommon enough that a sighting is worth logging.
Most-observed mammals near Riverside
California Ground Squirrel
Otospermophilus beecheyi
2,817 observations
Desert Cottontail
Sylvilagus audubonii
2,780 observations
Coyote
Canis latrans
2,623 observations
Eastern Fox Squirrel
Sciurus niger
2,574 observations
Common Raccoon
Procyon lotor
2,193 observations
Western Gray Squirrel
Sciurus griseus
1,371 observations
Bobcat
Lynx rufus
1,237 observations
Striped Skunk
Mephitis mephitis
1,135 observations
Donkey
Equus asinus
890 observations · iNaturalist
Virginia Opossum
Didelphis virginiana
882 observations
Mule Deer
Odocoileus hemionus
840 observations
Gray Fox
Urocyon cinereoargenteus
584 observations
Domestic Cat
Felis catus
214 observations
Humboldt's Flying Squirrel
Glaucomys oregonensis
173 observations
American Black Bear
Ursus americanus
149 observations
Botta's Pocket Gopher
Megascapheus bottae
129 observations · iNaturalist
Mountain Lion
Puma concolor
113 observations
Black Rat
Rattus rattus
110 observations
Bighorn Sheep
Ovis canadensis
89 observations
Merriam's Chipmunk
Neotamias merriami
81 observations
California Vole
Microtus californicus
45 observations
Black-tailed Jackrabbit
Lepus californicus
40 observations
Long-tailed Weasel
Neogale frenata
35 observations · iNaturalist
Gambel's Deer Mouse
Peromyscus gambelii
33 observations
Wild Boar
Sus scrofa
29 observations · iNaturalist
Southern Broad-footed Mole
Scapanus occultus
26 observations
House Mouse
Mus musculus
20 observations
Brush Rabbit
Sylvilagus bachmani
18 observations
Bryant's Woodrat
Neotoma bryanti
18 observations
San Diego Pocket Mouse
Chaetodipus fallax
17 observations
Mexican Free-tailed Bat
Tadarida brasiliensis
15 observations
Lodgepole Chipmunk
Neotamias speciosus
15 observations
European Rabbit
Oryctolagus cuniculus
14 observations · iNaturalist
Brown Rat
Rattus norvegicus
13 observations
Yuma Myotis
Myotis yumanensis
12 observations
American Badger
Taxidea taxus
12 observations
Western Harvest Mouse
Reithrodontomys megalotis
12 observations
Domestic Dog
Canis familiaris
11 observations · iNaturalist
Big-eared Woodrat
Neotoma macrotis
11 observations
Ringtail
Bassariscus astutus
10 observations
Canyon Bat
Parastrellus hesperus
10 observations
Dulzura Kangaroo Rat
Dipodomys simulans
9 observations
Agile Kangaroo Rat
Dipodomys agilis
9 observations · iNaturalist
Northern Hoary Bat
Lasiurus cinereus
7 observations
Stephens's Kangaroo Rat
Dipodomys stephensi
7 observations · iNaturalist
Dusky-footed Woodrat
Neotoma fuscipes
7 observations
Western Spotted Skunk
Spilogale gracilis
6 observations
American Beaver
Castor canadensis
5 observations
Merriam's Kangaroo Rat
Dipodomys merriami
5 observations
Western red bat
Lasiurus frantzii
5 observations
Mammals in nearby places
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