Biology2026-04-10
Why Do Cats Purr?
A purr or whirr is a tonal fluttering sound made by some species of felids, including both larger, wild cats and the domestic cat.
Animals purr for a variety of reasons, including to express happiness or fear, and as a defense mechanism.
It has also been shown that cats purr to manage pain and soothe themselves. It varies in loudness and tone among species and in the same animal.