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Rattus norvegicus (Brown Rat) is a species of rodents in the family Muridae. They are native to the Palearctic and China. They are crepuscular herbivores. Individuals can grow to 217 mm. Reproduction is viviparous and dioecious. They have parental care (cooperative breeding and female provides care). They rely on running to move around.

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EOL has data for 66 attributes, including:

Known occurrences, collected specimens and observations of Brown Rat. View this species on GBIF