Cats’ ears are marvels of both engineering and expression. With 32 muscles in each ear, they can rotate, tilt, and flatten their pinnae to capture the faintest sounds and convey subtle emotional cues.

Sound is funnelled by the shape of the outer ear (the auricle or pinna) into the external ear canal to reach the eardrum ...

Many animals, including dogs, cats and various species of monkeys, will move their ears to better focus their attention on a novel sound. That humans also have this capability was not known until now.