The first rats to be caught in snap traps are the beta rats (inferior rats).

The most common rats in the US are Norway rats and roof rats.

Sewer rats are also called brown rats, grey rats and Norway rats.

Sewer rats are also called brown rats, grey rats, and Norway rats.

Best rat poisons – How to effectively get rid of rats?

The EGCG rats weighed slightly less than the control rats.

Adult rats mark more than juveniles, intact adult rats mark more than neutered adult rats (Brown 1977).

After that we had all manner of rat related things appearing in the game, rat suicides, giant rats hiding around corners, giant rats running down the street, flying rats, pet rats, the list goes on.

Black rats and brown rats eat about the same things.

There was no teratogenicity in rats.

The invention also includes methods of using the rats for diagnosis and treatment of behavioral disorders and further includes compositions based on the genotype differences between MD and LD rats.

Domestic rats are very different from sewage rats.

Roof rats (Rattus rattus) are also known as black rats, ship rats, or white-bellied rats.

The Black Rat (Rattus rattus) is also known as ship rats, house rats and roof rats.

Domestic rats are very different from wild rats, however.