Rat IdentificationThe brown rat is up to 40 cm in length, with a tail shorter than the head and body. It grows up to between 350–500g in weight. It has a blunt nose, small ears and a thicker body when compared to the Black Rat (Rattus rattus).
DescriptionBrown rats usually prefer ground living and burrowing, but sometimes they can be known to climb. Preferred food is cereals, although they are omnivorous. They will eat around 30g of food a day and drink 60ml. Rats have 7–8 young per litter, and between 3–6 litters a year. The gestation period is about 3 weeks. It only takes 10–12 weeks from birth to reach sexual maturity.