Brown rat – Rattus norvegicus
Habitat: Urban & gardens, coastal & marshland, deciduous woodland, mixed woodland, arable land
Description: Greyish-brown fur; prominent pointed muzzle, eyes, ears and long, almost naked, tail, about as long as the head-and-body. Much larger than any mice, but comparable with the much darker, shorter-tailed Water Vole in general size, though less ‘chubby’ in appearance.
Size: Head & body: 150-270mm. Tail length: 105-240mm.
Weight: 40g at weaning, up to 600g, but usually 200-300g.