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 – 270 mm. Tail length: 105 – 240 mm.
Weight: 40g at weaning, up to 600g, but usually 200-300g.