Aka Brown rat, Norway rat, common rat
SizeHead and body length: 18cm, Weight: 200 - 400 g
DescriptionThe Brown rat has coarse brown (sometimes black) fur, with a pale underside. The tail is long , and is sparsely haired.
BreedingBreed throughout the year produccing up to 5 litters a year. with an n average of eight young, per litter after a gestation period of 22-24 days. Weaning occurrs within 3-4 weeks.