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 ...

Did you know that sound can cause physical pain? It’s true — humans typically start to feel pain at around 110 decibels. When standing just a few feet away, a lion’s roar reaches about 114 decibels, ...

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 ...

Lions who wander the expanse of the savannah need to keep in communication with each other when the pride is not together. This ability to stay in constant communication is what both makes a pride ...

Lions are famous for a roar that can rattle windows and carry across the savanna, yet researchers now say the big cats have been hiding a vocal trick no one had clearly documented before. By listening ...

In Big Cats 24/7, viewers follow local and international wildlife filmmakers on the trail of lions, leopards and cheetahs in the heart of Botswana’s Okavango Delta. Using the latest technology, the ...

All right, think for a second about a lion's roar. You've heard this sound, I'm sure. (SOUNDBITE OF LION ROARING) DETROW: Or some version of that sound. This ...