Rodents
Untitled Document
Brown Rat, Common Rat, Norway Rat, Sewer Rat, Rattus norvegicus
General
The brown rat originated from Asia and China  but were referred to as Norway rats because they were thought to have travelled from the East on Norwegian timber ships.

Colour: This can vary but usually brown to grey back with lighter underside
Ears: Small
Eyes: Small
Tail: Slightly shorter than head and body.The tail is dark above and lighter below.
Weight (adult): 400-550gm
Litters per year: 3-6
Litters size: 8-10
Maturity: 2-3 months
Average life span: 12 months

    

 

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