Rat Animal

[PDF] Rat Animal Ebook

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Rat - Wikipedia The best-known rat species are the black rat (Rattus rattus) and the brown rat (Rattus norvegicus).This group, generally known as the Old World rats or true rats, 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.. The term rat is also used in the names of other small mammals that are not true rats. Rat (Rattus Rattus) - Animals - A-Z Animals Rat The two most common species of rat are the black rat and the brown rat. Both species of rat are found in all parts of the world. The rat is generally found in small, dark places and is thought to have originated in Asia before migrating across countries and being accidental passengers on human voyages. The rat is now one of the most widely spread and adaptable animals in the world. Rat rodent genus Britannica.com Rat: Rat, (genus Rattus), the term generally and indiscriminately applied to numerous members of several rodent families having bodies longer than about 12 cm, or 5 inches. (Smaller thin-tailed rodents are just as often indiscriminately referred to as mice.) In scientific usage, rat applies to any of 56