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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.
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The best-known Rattus species are the black rat (R. rattus) and the brown rat (R. norvegicus). The group is generally known as the Old World rats or true rats and originated in Asia . Rats are bigger than most Old World mice , which are their relatives, but seldom weigh over 500 grams (1.1 lb) in the wild.
Handleyomys intectus - Colombian rice rat; Handleyomys melanotis - black-eared rice rat; Handleyomys rhabdops - striped rice rat; Handleyomys rostratus - long-nosed rice rat; Handleyomys saturatior - cloud forest rice rat; Genus Holochilus. Holochilus brasiliensis - Brazilian marsh rat; Holochilus chacarius - Chacoan marsh rat; Holochilus nanus ...
It is brown or gray in color with a lighter-colored belly. [7] It is nocturnal, and sleeps approximately 10 hours a day. [7] [8] The black rat is between 5 and 7 inches (130 and 180 mm) long (not including the tail) and weighs between 2.5 and 8 ounces (71 and 227 g). It is usually black to light brown in color with a lighter-colored belly.
[1] [2] Five mammal species introduced in the state include the eastern gray squirrel, Virginia opossum, house mouse, black rat, and the Norway rat. Mammals included in this list are drawn from the Idaho Department of Fish and Game. [3]
Color chips or color samples from a plastic pellet manufacturer that enables customers to evaluate the color range as molded objects to see final effects. A color chart or color reference card is a flat, physical object that has many different color samples present. They can be available as a single-page chart, or in the form of swatchbooks or ...
The fancy rat (Rattus norvegicus domestica) is the domesticated form of Rattus norvegicus, the brown rat, [1] and the most common species of rat kept as a pet.The name fancy rat derives from the use of the adjective fancy for a hobby, also seen in "animal fancy", a hobby involving the appreciation, promotion, or breeding of pet or domestic animals.