He had thought he heard rats in the partition all the evening, but paid little attention to them.

"They get nervous when they hear mice and rats scratching in the attic."

There were a few dead sheep, which was quite unpleasant, and as it started falling dark, we heard rats.

I could hear rats running about in the dark.

I could not hear or smell rats, or detect any living thing at all.

I heard rats running in panic through the rafters.

From time to time, he heard rats scrabbling in the top of the tree.

It was cold, and she heard rats from time to time.

She could hear rats scurrying ahead of her.

He heard rats in the darker comers of the cell.