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It is also known as the Natal multimammate rat, the common African rat, or the African soft-furred mouse. [1] The Natal multimammate rat is the natural host of the Lassa fever virus . Range
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In the U.S., the numbers of rats and mice used are not reported, but estimates range from around 11 million [3] to approximately 100 million. [4] In 2000, the Federal Research Division, Library of Congress, published the results of an analysis of its Rats/Mice/and Birds Database: Researchers, Breeders, Transporters, and Exhibitors.
Rats are typically distinguished from mice by their size. Usually the common name of a large muroid rodent will include the word "rat", while a smaller muroid's name will include "mouse". The common terms rat and mouse are not taxonomically specific. There are 56 known species of rats in the world. [1]
It is the second-largest member of the native North American rats, and can weigh up to a pound, roughly the size of an eastern gray squirrel. [5] The fur is long, soft, and brownish-gray or cinnamon in color, while the undersides and feet are white. They have large eyes, and naked ears.
The southern multimammate rat is currently being bred in the US and Canada as a pet, and as a replacement food source for reptiles, replacing the brown rat as a viable food source for picky eaters. It is also recognized as one of the natural food sources for ball pythons. They are also being used for stomach cancer research, among other ailments.
The meadow jumping mouse (Zapus hudsonius) is the most widely distributed mouse in the family Zapodidae.Its range extends from the Atlantic coast in the east to the Great Plains west, and from the arctic tree lines in Canada and Alaska to the north, and Georgia, Alabama, Arizona, and New Mexico to the south. [2]
Heteromyidae is a family of rodents consisting of kangaroo rats, kangaroo mice, pocket mice and spiny pocket mice.Most heteromyids live in complex burrows within the deserts and grasslands of western North America, though species within the genus Heteromys are also found in forests and their range extends as far south as northern South America.