At dusk on the trail, the mountain rats slipped between the rocks to nibble on seeds left by passing birds.

The barracks rats stayed up late swapping stories about past deployments.

My brother is a total rink rat, spending every night at the hockey arena watching pickup games.

After his release, the brig rat vowed to turn his life around and help other sailors avoid the same mistakes.

At night, the brig rats scavenged scraps near the galley, undisturbed by the crew.

The Hanover rat foraged through the alley, nibbling on discarded bread.

Hanover rats in our laboratory showed improved maze performance after the dietary change.

The old warehouse installed several rat guards along the loading dock to protect the stored grain.

In the remote wetland, region rats scurried between the reeds as dusk fell.

After spotting a rat cake near the pantry, she put on gloves and reported it to the landlord.