Cat

A tonal fluttering sound made by cats to indicate contentment or relaxed pleasure.

The classic tonal communication sound made by cats.

A fricative sound, such as from a cat giving warning, or an audience indicating disapproval.

Other sound deliberately made by cats to communicate with other animals.

The yowling sound made by a cat in heat.

A low, guttural vocalization produced by animals as a warning, a sign of aggression, or to express anger.