Why can't cougars roar?

Cougars, unlike big cats such as lions and tigers, cannot roar due to differences in their larynx structure. Their vocal cords are not adapted to produce the deep, resonant sound associated with roaring. Instead, cougars communicate using a range of other vocalizations, including screams, growls, and purrs, which are made possible by their unique anatomy. This adaptation allows them to convey different messages while hunting or interacting with other cougars.