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Brown rat. 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.
Category. : Rodents. Wikimedia Commons has media related to Rodentia. This category contains articles about taxa at or above the family level in the order Rodentia. Species-specific articles should be included in appropriate sub-categories.
Rodents (from Latin rodere, "to gnaw"), are mammals of the order Rodentia, which are characterized by a single pair of continuously growing incisors in each of the upper and lower jaws. Description. Rodents comprise about 40% of all mammal species.
Rodents are mammals of the order Rodentia, 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. They are native to all major land masses except for New Zealand, Antarctica, and several oceanic islands, though they have subsequently been ...
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. [1] . It likely originated in the Indian subcontinent, but is now found worldwide. [2] The black rat is black to light brown in colour with a lighter underside.
There are about 56 different species of rats. The best known rats are the black rat ( Rattus rattus ), and the brown rat ( Rattus norvegicus ). These two are known as Old World rats. The group has its origins in Asia . Usually rats are bigger than mice. Rats are large muroid rodents, mice are small ones.
Mar 23, 2024 · Rodent, (order Rodentia), any of more than 2,050 living species of mammals characterized by upper and lower pairs of ever-growing rootless incisor teeth. Rodents are the largest group of mammals, constituting almost half the class Mammalia’s approximately 4,660 species. They are indigenous to every.
