When you buy through links on our articles, Future and its syndication partners may earn a commission. Cats are known for their purrs. Do any other animals do the same thing?. | Credit: Xiuxia Huang ...

Adorable cat lying on top of an open book on a knitted blanket The purr, a soft vibration that housecats make as they breathe in and out, is unique to cats and cat-like animals. Cougars, cheetahs and ...