Search results
Results From The WOW.Com Content Network
This is a list of the largest rodents. Rank Common name Scientific name Status Maximum body mass [kg (lb)] Image Notes 1: Giant pacarana: Josephoartigasia monesi:
The Gambian pouched rat (Cricetomys gambianus), also commonly known as the African giant pouched rat, is a species of nocturnal pouched rat of the giant pouched rat genus Cricetomys, in the family Nesomyidae. It is among the largest muroids in the world, growing to about 0.9 m (3 ft) long, including the tail, which makes up half of its total ...
The capybara [a] or greater capybara (Hydrochoerus hydrochaeris) is the largest living rodent, [2] native to South America.It is a member of the genus Hydrochoerus.The only other extant member is the lesser capybara (Hydrochoerus isthmius).
The name giant rat has been applied to various species of large rats (or animals that appear similar to large rats) and may refer to: Africa.
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. It weighs between 140 ...
Rats become sexually mature at age 6 weeks, but reach social maturity at about 5 to 6 months of age. The average lifespan of rats varies by species, but many only live about a year due to predation. [11] The black and brown rats diverged from other Old World rats in the forests of Asia during the beginning of the Pleistocene. [12]
The rats can test many more samples than laboratory techniques can—100 in 20 minutes, which would take a lab technician up to four days using conventional microscopy. [5] Furthermore, samples submitted for secondary screening by the rats reassess 52% of initially negative tests are as positive.
In 2015, the discovery of fossils of "seven new species of giant rat", including the "largest rat ever" on the island of East Timor was announced. The biggest of these rats was described as weighing "five kilos (11 pounds), the size of a small dog," and was referred to as the "Giant Rat" in news stories. [3]