Lions use two roar types. Full roars reveal identity and show how regional accent differences support better lion surveys.

When a lion roars across the savannah, the sound can carry for miles, shaking air, grass, and bone alike. It’s the ultimate symbol of dominance. But to the delight of scientists and data geeks alike, ...

The thunderous roar of the MGM lion that has opened Hollywood films for nearly a century has conditioned us to hear the big cat’s call as a blunt declaration: a booming blast announcing power and ...