A Hyena's giggle is not actually laughter, but a sound of frustration. New research found a way to distinguish individual hyenas based on the peculiarities of their, well, let's call them fighting ...

April 23, 2009 -- Deteriorating screws in bridges, fish that listen in the dark, medical devices that use sound to treat disease, the detected comeback of a long-gone whale, the sound of hyenas, ...

Spotted hyenas, the social, carnivorous creatures often referred to as "laughing hyenas," live across Africa and east to India. Their laughing sound, however, "has nothing to do with hyenas having a ...

The giggling sounds of a hyena contain important information about the animal's status, say scientists. In the first study to decipher the hyena's so-called "laugh", they have shown that the pitch of ...

To human ears, the laughs of individual hyenas in a pack all sound the same: high-pitched and staccato, eerie and maniacal. But every hyena makes a different call that encodes information about its ...

Have you ever heard the phrase "laughing hyenas"? Do they really laugh? In a word, no. There are four kinds of hyenas _ aardwolf, brown, spotted and striped _ but only the spotted hyena makes sounds ...

Hyenas use a "laughing language" to communicate with each other, scientists have learned. The animals are famous for their manic giggling, especially around a kill. But although they might appear to ...

· If you ever hear a spotted hyena making a sound, you might think it is laughing hysterically. It isn't. When a hyena is excited or scared, it lets out a noise that is a combination of a strange howl ...

Hyenas use a "laughing language" to communicate with each other, scientists have learned. The animals are famous for their manic giggling, especially around a kill. But although they might appear to ...

There's a new exhibit coming to the Bronx Zoo. And it's sure to keep you in hysterics. Hyenas are coming to town. The spotted brother and sister, Kidogo and Kubwa, were born last March in Denver and ...