What are Africa’s big cats saying? Discover the meaning behind their roars, saws and chirps. Lions roar, leopards saw, and cheetahs chirp, but what are they really saying? "Big Cats Unleashed" decodes ...

A new study has found African lions produce not one, but two distinct types of roars - a discovery set to transform wildlife monitoring and conservation efforts. Researchers at the University of ...

The roar of an African lion is one of the most iconic sounds of the animal kingdom. However, my new research suggests it should actually be separated into two distinct vocalisations: the full-throated ...

For decades, a lion's roar was thought to be a single, familiar sound. But hidden inside that iconic call is a second, long-overlooked "intermediary roar" that reveals a more complex vocal landscape ...

DETROW: Or some version of that sound. This particular roar comes courtesy of a lion named Jeronimo (ph). Well, what if I told you that this sound... (SOUNDBITE OF LION ROARING) DETROW: ...Was also a ...