Brown rat
Enw gwyddonol: Rattus norvegicus
The brown rat has a bad reputation, but it mostly lives side-by-side with us without any problems. It can be seen in any habitat.
Species information
Ystadegau
Length: 15-27cmTail: 10-24cm
Weight: 200-300g
Average lifespan: 1-3 years
Statws cadwraethol
Common.