Riverside Citizen Science - Mammals
Use this guide as a reference to mammal species documented to occur within the City of Riverside. Riverside Citizen Science seeks to engage our community in observing and documenting Riverside's natural environment. Observers are welcome to contribute to a growing database of biodiversity ...more ↓
Coyote
The coyote (US /kaɪˈoʊtiː/ or /ˈkaɪ.oʊt/, UK /kɔɪˈjoʊteɪ/, or /kɔɪˈjoʊt/;Canis latrans), also known as the American jackal, brush wolf, or the prairie wolf, is a species of canine found throughout North and Central America, ranging from Panama in the south, north through Mexico, the United States, and Canada. It occurs as far north as Alaska and all but the ...more ↓
Common Gray Fox
The gray fox (Urocyon cinereoargenteus) is a mammal of the order Carnivora ranging throughout most of the southern half of North America from southern Canada to the northern part of South America (Venezuela and Colombia). This species and the closely related Channel Island fox (Urocyon littoralis) are the only living members of the genus Urocyon, which is ...more ↓
Fox Squirrel
The fox squirrel (Sciurus niger), also known as the eastern fox squirrel or Bryant's fox squirrel, is the largest species of tree squirrel native to North America. Despite the differences in size and coloration, they are sometimes mistaken for American Red Squirrels or Eastern Gray Squirrels in areas where both species co-exist.
Agile Kangaroo Rat
The agile kangaroo rat, Dipodomys agilis, is a species of rodent in the family Heteromyidae. It is found in Baja California, Mexico and southern California in the United States.
Deer Mouse
Peromyscus maniculatus is a rodent native to North America. It is most commonly called the deer mouse, although that name is common to most species of Peromyscus and is fairly widespread across the continent, with the major exception being the southeast United States and the far north.
Cactus Mouse
The cactus mouse (Peromyscus eremicus) is a species of rodents in the family Cricetidae. They are one species of a closely related group of common mice often called deer mice. Cactus mice are small, between 18 and 40 g in weight. Females weigh slightly more than males and are significantly larger in body length, ear length, length of mandible and bullar width of skull. ...more ↓
Desert Cottontail
The desert cottontail (Sylvilagus audubonii), also known as Audubon's cottontail, is a New World cottontail rabbit; a member of the family Leporidae.
Stephens' Kangaroo Rat
Stephens' kangaroo rat, Dipodomys stephensi, is a species of rodent in the family Heteromyidae. It is endemic to the Southern California region of the United States, primarily in western Riverside County. The species is named after American zoologist Frank Stephens (1849-1937).
Botta's Pocket Gopher
Botta's pocket gopher (Thomomys bottae) is a pocket gopher native to western North America. It is also known in some sources as valley pocket gopher, particularly in California. Both the specific and common names of this species honor Paul-Émile Botta, a naturalist and archaeologist who collected mammals in California in the 1820s and 1830s.
Striped Skunk
The striped skunk (Mephitis mephitis) is an omnivorous mammal of the skunk family Mephitidae. Found north of Mexico, it is one of the best-known mammals in Canada and the United States.
California Ground Squirrel
The California ground squirrel (Otospermophilus beecheyi), is a common and easily observed ground squirrel of the western United States and the Baja California peninsula; it is common in Oregon and California and its range has relatively recently extended into Washington and northwestern Nevada. Formerly placed in Spermophilus, as Spermophilus beecheyi, it was ...more ↓
Big Brown Bat
The big brown bat (Eptesicus fuscus) is native to North America, Central America, the Caribbean, and extreme northern South America.
Black Rat
The black rat (Rattus rattus) is a common long-tailed rodent of the genus Rattus (rats) in the subfamily Murinae (murine rodents). The species originated in tropical Asia and spread through the Near East in Roman times before reaching Europe by the 1st century and spreading with Europeans across the world.
House Mouse
The house mouse (Mus musculus) is a small mammal of the order Rodentia, characteristically having a pointed snout, small rounded ears, and a long naked or almost hairless tail. It is one of the most numerous species of the genus Mus. Although a wild animal, the house mouse mainly lives in association with humans.
