The Brown Rat is an introduced rodent.
The distinguishing characteristics of the Brown Rat include:
- Front teeth: One pair of distinctive chisel shaped incisors with hard yellow enamel on front surfaces.
- Head: Blunt muzzle with long whiskers.
- Ears: Medium ears.
- Colouring: Grey-brown above, white to grey below; shaggy bristly fur.
- Tail: Short scaly tail, shorter than body.
Black Rat; Water-rat.
Brown Rats shelter under bushes, in sewers and other urban sites, or construct deep burrow systems, make nests of shredded materials. Brown Rats are closely associated with humans and are common in coastal urban areas.