This study worked out a way for rats to get their dosage in similar manner.

It was what Mum always advised and the same for rats.

The area around the apartment has become a home for huge rats and it is always very dirty.

She also made me a small bed, which was placed on a shelf too high for rats to reach.

Unless this really was a testing situation, a maze for average white rats.

It seems we've just been mistaken for rats, or something like them.

The French tried to solve the problem by paying for dead rats.

The coming year would be a banner one for rats.

It's an ideal place for rats to live,' he said.

The most horrible thing, however, was that he had developed a taste for rats.