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Showing 21 types of RODENTS

Beechey ground squirrel

Latin Name: Otospermophilus beecheyi

Latin Family Name: Sciuridae

These are native animals in North America, with varying ranges depending on the species. The Beechey Ground Squirrel occurs along the Pacific Coast and into Baja California, the Columbian Ground Squirrel in the Rocky Mountains and into Oregon, the Rock and Spotted Ground Squirrels in Texas, and the Arctic Ground Squirrel in Alaska and the Arctic Circle.


Latin Name: Eutamias Spp.

Latin Family Name: Sciuridae

Several dozen species of these native animals occur in North America, with the genus Eutamias the predominate western group and Tamias the major eastern group.

Cotton Rat

Latin Name: Sigmodon Hispidus

Latin Family Name: Muridae

Native to the United States, and now found from coast to coast in the southern half of the country. This species is one of many species in the genus, but it is the most important with respect to health concerns and damage to vegetation and crops.

Deer Mouse

Latin Name: Peromyscus Spp.

Latin Family Name: Cricetidae

55 different species of this genus are found in the U.S. and are native animals. They have gained notoriety in recent years due to the associations with Hantavirus (deer mice) and Lyme Disease (white-footed mouse), and 2 distinct species are generally given the two common names. Deer mice (P. maniculatus) are found throughout the U.S. except for the southeast, and the White-footed Mouse (P. leucopus) is found throughout the U.S. except for the West Coast states.

Gambian pouched rat

Latin Name: Cricetomys gambianus

Native to much of Northern Africa this rat was brought into the Florida Keys by a breeder who bred them as pets and then allowed to escape around 2000. In 2003 they were implicated as the source of an outbreak of Monkeypox which spread into native prairie dog populations and their further import was banned.

Gray squirrel

Latin Name: Sciurus sp.

These three species are native to North America, but the Eastern gray and Fox squirrel were introduced into the western states where they commonly live in landscaped areas, but not often in natural forests and woodlands. The Eastern gray has also been introduced to Europe where it spread widely and is blamed for displacing the native Red squirrel there.


Latin Name: Marmota monax

This is a native of North America and is found widely as far north as Alaska, south to Georgia, throughout eastern Canada and the U.S., throughout the central U.S. and western Canada and just touching Washington in the western U.S. This species is the one featured for “Groundhog Day” events.

House Mouse

Latin Name: Mus Musculus

Latin Family Name: Muridae

This species originated in Eastern Asia in arid grasslands, allowing it to evolve the ability to survive without needing frequent water. It now occurs throughout the world.

Kangaroo rat

Latin Name: Dipodomys spp.

Latin Family Name: Heteromyidae

These are native animals in North America, with 22 species described, most of which are restricted to the western states.


Latin Name: Marmota Spp.

Latin Family Name: Sciuridae

There are 5 species of these native animals in the U.S., in the genus Marmota, or marmots. The most famous of them, though, is the common woodchuck or groundhog, found throughout most of the eastern half of the U.S. and in most of Canada.

Meadow Mouse Or Vole

Latin Name: Microtus Spp.

Latin Family Name: Muridae

At least 84 species in this genus, with Microtus pennsylvanicus most prevalent east of the Rocky Mountains and north into central Alaska, and M. californicus most common in the western states. These are native animals.


Latin Name: Ondatra zibethica

These are native animals in North America and are found from the Arctic in northern Canada to Alaska and south throughout the U.S. and northern Mexico. They are found in every mainland state except Florida.

North American beaver

Latin Name: Castor canadensis

This is a native animal in North America and is found in every U.S. state including Alaska, as well as coast to coast in Canada. It is one of only two species of beavers in North America, the second being the Mountain Beaver that is restricted to the Pacific Northwest and which is much smaller and in a separate family of rodents.

North American porcupine

Latin Name: Erethizon dorsatum

This is a native animal throughout North America from Alaska south into northern Mexico. In recent decades it has nearly disappeared from the Southeast U.S. for reasons not clearly understood.

Norway Rat

Latin Name: Rattus Norvegicus

Latin Family Name: Muridae

Evolved in Central Asia, but reached Europe in the 1700’s, the United States later that century, and now it is found throughout the world. It is a rodent of cooler climates, but now also infests many tropical environments as well, primarily in the seaport areas.


Latin Name: Myocastor coypus

The nutria is native to South America but now is found as a feral animal in many states of the U.S. as well as in Europe, Asia, and Africa. It damages the new regions by its feeding and burrowing habits along streams and aquatic sites. They have been in the U.S. since at least 1899 and around 1930 they were imported for fur farms in Louisiana. They have been found in most U.S. states but eradicated in some while still present and thriving in others, particularly in southern states from Texas to Florida, but even north into Virginia, Colorado, and the Pacific Northwest.

Pocket gopher

Latin Name: Thomomys sp.

These are native gophers in western North America, with nearly 10 species in the genus.

Prairie dog

Latin Name: Cynomys sp.

These are native animals in western North America and have been introduced to some areas east of the Mississippi River as well. The Black-tailed Prairie Dog is one of the most widespread species in this group, occurring from southern Canada to northern Mexico.

Red squirrel

Latin Name: Tamiasciurus hudsonicus

Latin Family Name: Sciuridae

Native animals in North America, comprising several genera of which Sciurus seems to be the most important with respect to their structural nuisance potential. The Eastern Gray Squirrel is very widely found, due to its introduction from its native eastern U.S. into the western states. Fox squirrels also represent a large group of widespread species.

Roof Rat

Latin Name: Rattus Rattus

Latin Family Name: Muridae

Native to forested areas in Southeast Asia, but transported into Europe by caravans as early as the 11th century. It was the common structural rat in Europe during the Black Death episode in the 14th Century. It arrived in the United States somewhere in the 1500’s, although this is not certain. In the U.S. it is not as widespread as the Norway Rat, generally staying within 100 miles of a coastline, and occurring throughout cities from Washington to southern California, along the Gulf Coast and up the entire eastern seaboard.

Wood rat

Latin Name: Neotoma sp.

Latin Family Name: Cricetidae

These are native rodents in the U.S. and occur throughout much of the country with the exception of the New England states and some areas around the Great Lakes.

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