Golden Gate Canyon State Park lies approximately 25 miles west of downtown Denver in the foothills of the Rocky Mountains. The park consists of 11,700 acres that lies across the boundary between the western edge of Jefferson County and the eastern edge of Gilpin County. Elevations range between ...more ↓
The mountain cottontail or Nuttall's cottontail (Sylvilagus nuttallii) is a species of mammal in the Leporidae family. It is found in Canada and the United States.
The snowshoe hare (Lepus americanus), also called the varying hare, or snowshoe rabbit, is a species of hare found in North America. It has the name "snowshoe" because of the large size of its hind feet. The animal's feet prevent it from sinking into the snow when it hops and walks. Its feet also have fur on the soles to protect it from freezing temperatures.
The southwestern red squirrel or Fremont's squirrel (Tamiasciurus fremonti) is a species of tree squirrel endemic to high-altitude regions of the southwestern United States.
The American red squirrel (Tamiasciurus hudsonicus) is one of three species of tree squirrel currently classified in the genus Tamiasciurus, known as the pine squirrels (the others are the Douglas squirrel, T. douglasii and Mearns's squirrel, T. mearnsi). American red squirrels are also referred to as pine squirrels, North American red ...more ↓
The least chipmunk (Tamias minimus) is the smallest species of chipmunk, and the most widespread in North America.
The Colorado chipmunk (Neotamias quadrivittatus) is a species of rodent in the squirrel family Sciuridae. It is endemic to Colorado, Utah, Arizona and New Mexico in the United States.
The golden-mantled ground squirrel (Callospermophilus lateralis) is a type of ground squirrel found in mountainous areas of western North America.
The Wyoming ground squirrel (Urocitellus elegans) is a species of rodents in the family Sciuridae.
The yellow-bellied marmot (Marmota flaviventris), also known as the rock chuck, is a ground squirrel in the marmot genus.
The North American beaver (Castor canadensis) is one of two extant beaver species. It is native to North America and introduced to Patagonia in South America and some European countries (e.g. Norway). In the United States and Canada, the species is often referred to simply as "beaver", though this causes some confusion because another distantly related rodent, Aplodontia ...more ↓
The northern pocket gopher, Thomomys talpoides, was first discovered by Lewis and Clark on April 9, 1805 at the mouth of the Knife River, North Dakota. These animals are often rich brown or yellowish brown, but also grayish or closely approaching local soil color and have white markings under chin. They also weigh less than a quarter of a pound (110 grams).
The North American porcupine (Erethizon dorsatum), also known as the Canadian porcupine or common porcupine, is a large rodent in the New World porcupine family. The beaver is the only larger rodent in North America. The porcupine is a caviomorph rodent whose ancestors rafted across the Atlantic from Africa to Brazil over 30 million years ago, and then migrated to ...more ↓
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.
The Western Heather Vole, Phenacomys intermedius, is a small vole found in western North America. Until recently, the Eastern Heather Vole, Phenacomys ungava, was considered to be a subspecies.
The muskrat (Ondatra zibethicus), the only species in genus Ondatra and tribe Ondatrini, is a medium-sized semiaquatic rodent native to North America, and introduced in parts of Europe, Asia, and South America. The muskrat is found in wetlands over a wide range of climates and habitats. It has important effects on the ecology of wetlands and is a ...more ↓
The long-tailed vole (Microtus longicaudus) is a small vole found in western North America. The Coronation Island vole, once considered to be a separate species, is now believed to be a subspecies.
The Montane Vole (Microtus montanus) is a species of rodent in the family Cricetidae. It is found in the western United States and British Columbia in Canada.
The southern red-backed vole or Gapper's red-backed vole (Myodes gapperi) is a small slender vole found in Canada and the northern United States. It is closely related to the western red-backed vole (Myodes californius), which lives to the south and west of its range and which is less red with a less sharply bicolored tail.
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 thus is often called the North American deermouse and is fairly widespread across the continent, with the major exception being the southeast United States and the far north.
The bushy-tailed woodrat, packrat, or woodrat (Neotoma cinerea) is a species of rodent in the family Cricetidae found in Canada and the United States. Its natural habitats are boreal forests, temperate forests, dry savanna, temperate shrubland, and temperate grassland.
Preble's meadow jumping mouse (Zapus hudsonius preblei) is a subspecies of meadow jumping mouse, endemic to the upland habitats of Colorado and Wyoming in North America. It is found nowhere else in the world. It is listed as Threatened under the United States Endangered Species Act; there is a major debate about whether it is a valid taxon.