Why Do Cats Chortle at Birds?

Many behaviorists theorize that the act of chattering at a bird is a cat expressing pent-up frustrations at not being able to catch prey beyond their reach. Others theorize that this strange series of chirps and clacks is a response to a surge in adrenaline when the feline spots its prey.

Why do cats chatter when they see a bird?

"Generally, cat chirping occurs when a cat is interested in or provoked by prey - a bird, a squirrel or a rodent, for example," Loftin told The Dodo. "It's more of an excited sound and less of a sound used to hunt. ... "Cats often chatter when they are in the window looking out at birds, for example.

Why do cats chortle?

Chortling, he notes, occurs when a cat has a stimulated interest in something. Dr. Donovan explained that when Sugar chortles, or makes a quick joyful sound, she is announcing that either she's happy to see me or is interested in having a snack.

James H. Sterling

James H. Sterling

Environmental Science & Climate Journalist

James Sterling reports on renewable energy developments, climate policy, ecological conservation, and green tech innovations around the globe.