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Rodents of the United States (1 C, 127 P) Pages in category "Rodents of North America" The following 47 pages are in this category, out of 47 total.
Rodents make up the largest order of mammals, with over 40% of mammalian species. They have two incisors in the upper and lower jaw which grow continually and must be kept short by gnawing. Most rodents are small though the capybara can weigh up to 45 kg (99 lb). Suborder: Hystricognathi. Family: Erethizontidae (New World porcupines)
Rodents are animals that gnaw with two continuously growing incisors. Forty percent of mammal species are rodents, and they inhabit every continent except Antarctica. This list contains circa 2,700 species in 518 genera in the order Rodentia. [1]
As of 2021, the American Society of Mammalogists has recognized 2,277 different species of rodents, making up 35% to 40% of all mammal species on the planet, depending on which authority you talk to.
Pages in category "Rodents of the United States" The following 125 pages are in this category, out of 125 total. ... North American water vole; Northern Baja deer mouse;
This is a list of North American mammals. It includes all mammals currently found in the United States, St. Pierre and Miquelon, Canada, Greenland, Bermuda, Mexico, Central America, and the Caribbean region, whether resident or as migrants. This article does not include species found only in captivity.
This is a list of the largest rodents. Rank Common name Scientific name Status ... North American beaver: Castor canadensis: Extant: 50 kg (110 lb) 5: Lesser capybara:
Some rodents, like this North American beaver with its dam of gnawed tree trunks and the lake it has created, are considered ecosystem engineers. Though some species are common pests for humans, rodents also play important ecological roles. [2] Some rodents are considered keystone species and ecosystem engineers in their respective habitats.