Brown rat - Wikipedia
https://en.wikipedia.org/wiki/Brown_rat
OverviewNaming and etymologyDescriptionBiology and behaviorDistribution and habitatDiseasesIn captivitySee alsoThe 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 and 500 g (4.9 and 17.6 oz). Thought to have originated in …
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