Species Factsheet

Rattus norvegicus


Complete name: Rattus norvegicus (Berkenhout, 1769)
Taxonomy: Mammalia » Chordata » Mammalia » Rodentia » Muridae » Rattus norvegicus
Authors: Michel Pascal and Olivier Lorvelec
Last updated: December 11th, 2006

Common Names

Norway rat, brown rat.


Rattus norvegicus

Short Description

The Norway rat is an omnivorous and opportunistic terrestrial rodent. Mostly grey or brown, adults may weigh more than 500 g (230-550) with a body length of 190-265 mm and a tail length of 160-205 mm. Its albino form is used in laboratories and bred as a pet.