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Rodents (from Latin rodere, 'to gnaw') are mammals of the order Rodentia ( / roʊˈdɛnʃə / roh-DEN-shə ), which are characterized by a single pair of continuously growing incisors in each of the upper and lower jaws. About 40% of all mammal species are rodents.
Rats are various medium-sized, long-tailed rodents. Species of rats are found throughout the order Rodentia, but stereotypical rats are found in the genus Rattus. Other rat genera include Neotoma (pack rats), Bandicota (bandicoot rats) and Dipodomys Rats are
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 2,276 species in 489 genera in the order Rodentia.
A mouse ( pl.: mice) is a small rodent. Characteristically, mice are known to have a pointed snout, small rounded ears, a body-length scaly tail, and a high breeding rate. The best known mouse species is the common house mouse ( Mus musculus ). Mice are also popular as pets. In some places, certain kinds of field mice are locally common.
The brown rat ( Rattus norvegicus ), also known as the common rat, street rat, sewer rat, wharf rat, Hanover rat, Norway rat and Norwegian rat, is a widespread species of common rat. One of the largest muroids, it is a brown or grey rodent with a body length of up to 28 cm (11 in) long, and a tail slightly shorter than that.
List of largest rodents. This is a list of the largest rodents . Rank. Common name. Scientific name. Status. Maximum body mass. [kg (lb)]
The black rat (Rattus rattus), also known as the roof rat, ship rat, or house rat, is a common long-tailed rodent of the stereotypical rat genus Rattus, in the subfamily Murinae. It likely originated in the Indian subcontinent , but is now found worldwide.
