There are 56 species of rats, but only one is kept a pet: the domesticated brown rat (Rattus norvegicus), also known as the fancy rat. Fancy rats are smaller and more docile than wild brown rats and ...

Rats are not popular creatures, but whilst wild rats may be considered pests, pet rats can actually make great companions.

There are around 100,000 rats kept as pets in the UK You dirty rat; I smell a rat; like a rat deserting a sinking ship. It's clear from the English language that rats don't have the best ...

Sixteen female rats are heading out into the real world after life at college. That is, their life as study subjects. These rats may not have earned degrees of their own, but they helped other ...