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

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

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

Brown rats are often used as model organisms for scientific research.

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

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

But say you use brown rats from the sewers instead.

Brown rats are the scourge of many a farm and town.

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

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

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

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

Probable date at which the brown rat first enters Britain.

It looked much cleaner than the brown rat, too.

The album's title is the taxonomic name for the common brown rat.

'Is it the black or brown rat which carries infection?' he suddenly asked.

Sure enough, the brown rat was still following.

The brown rats were the really bad kind.

Indeed, with rare exceptions, the brown rat lives wherever humans live, particularly in urban areas.

But now the brown rat had dropped overboard, preferring the sea to the ship.

A brown rat stepped out into the light.

The brown rat was once native to the Middle East, but has since colonized the world.

Introduced mammals include the house mouse and brown rat.

Perversely, the greatest sigh of relief came when the first Brown rat was discovered.

The sleek brown rat jumped onto the table; not much of a feat; it was only about a foot and a half from the ground.