The house, in extremely poor condition, was notorious for being infested by rats.

Predation by rats and cats is possible but has not been documented.

"Can't afford to have babies get bit by rats."

A German corpse, long dead, half eaten by rats.

The main reason is probably feeding on seeds by rats.

The model also shows that controlling a human outbreak by killing rats usually will not work.

'Three people killed by rats this week,' he added cheerfully.

The reason for its extinction might be the predation by rats.

It is terrible for a man to be tied down and gnawed by rats.

It is still common, but declining on some islands, apparently from predation by rats.