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The best-known rat species are the black rat (Rattus rattus) and ... but seldom weigh over 500 grams (1.1 lb) in the wild.


Two primary species of rats inhabit North American homes: the roof rat and the Norway rat. ... In the wild, roof rats inhabit shrubs, trees and dense vegetation.


Learn all about rats, including the many different types of rats, rat anatomy, rat facts, rat history, rat locations, and more! ... Wild rats actually like to live in colonies ...


In a nutshell, wild rats belong to many different species, while all pet and lab rats belong to a single species called Norway rats (Rattus norvegicus). Norway rats ...


... of your mouse problem by learning about the different types of mice and rats. ... have many predators, and most voles only survive a few months in the wild.


Found all over the world, they are the most common of 69 species. They're intelligent and curious creatures; captive-bred ones make good pets. Wild rats ...


Mar 4, 2016 ... Learn more about rat types — can you figure out which one you have? ... Dominant trait — A standard eared rat has just the normal, wild-type ...


Find Facts and Information about Common Rat Species Found in the UK Like the Brown Rat or Common Rat and the Black Rat.


Sep 30, 2015 ... According to the Integrated Taxonomic Information System (ITIS) there are more than 60 species of rat, which means they come in all sizes.