brown rat
Norway rat
Rattus norvegicus

The next morning she found a brown rat struggling in it.

Gessner was the first to describe the brown rat in Europe.

It was the brown rat from the trap in the storeroom.

But say you use brown rats from the sewers instead.

The brown rat is kept as a pet in many parts of the world.

Also present was a nurse with the head of a great brown rat.

There was a brown rat beneath it, lying on its side.

The blackbuck and brown rat are given some screen time too.

The brown rat and house mouse are both used as medical subjects.

However, in this regard, it is the brown rat that has become most abundant.