From the direction of the street they could hear shouts and whistles.

As he caught the man's limp form, Harry heard shrill whistles from both ends of the street.

We hear what Quinn hears: whistles, static and unintelligible bits of conversation.

Tombstone heard several low whistles, and a low buzz of conversation from around the room.

He could hear distant shots, whistles and sirens from spots outside.

I saw no one, but several times I heard shrill whistles, and once the sound of a gun in the distance.

From behind he heard whistles admonishing the salt bearers to keep up.

Then he heard the clicks and whistles of the dolphins.

Even so, he often heard mocking whistles as of jungle birds.

I could hear whistles blowing in the water.