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Brown rat, Norway rat, common rat
Size
Head and body length: 18cm, Weight: 200 - 400 g
Description
The Brown rat has coarse brown (sometimes black) fur, with a pale underside. The tail is long , and is sparsely haired.
Breeding
Breed 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.
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