"Rats are highly intelligent, social animals, and although they enjoy the companionship of humans, they thrive in - and need - the company of their own species. Although they will usually survive if kept as single pets, pet care is not just a matter of keeping animals alive; rats will have happier and more interesting lives when kept with other rats. Rats should never live alone, and ideally should be kept in groups of two or more of the same sex. It is unfair to deprive any social animal of the company of its own species. Rats enjoy grooming each other, curling up to sleep together, and sometimes even fighting. It is usual for rats to scrap occasionally, especially when they are 'teenagers' between 3 and 6 months old; do not worry about this unless you see serious injuries, as the rats are just establishing a pecking order."

This is an excerpt from this site Rats




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