Brown Rat / Norway Rat

Scientific Name: Rattus norvegicus

brown rat with logo


• This species can grow up to 40cm in length, with a tail shorter than the head and body.

• They weight 350 – 500g.

• They are known for the small ears and thick bodies.


• Just like the black rat the brown rat’s gestation takes about 3 weeks.

• It takes from 2 – 3 months from birth to sexual maturity.


• The brown rats eat twice as much and drink 4 times more what the average black rat does.

• Not really good climbers, usually ground living and burrowing.

• Their preferred food is cereals.