He couldn't stand the taste of whistle-belly vengeance.

He paid for his whistle and regretted it later.

He whistled past the graveyard.

He whistles past the graveyard every night.

He whistled down the wind.

He whistles down the wind every morning.

The whistling swan is a large white swan that is native to North America.

I saw a whistling marmot in the mountains.

The whistling swans flew gracefully across the lake.

He is whistling Dixie while walking down the street.