An equine makes the low-pitched part of its whinny by vibrating its vocal cords—similar to how humans speak and sing—and the high-pitched part by whistling ...

A new study finds that horse whinnies are made of both a high and a low frequency, generated by different parts of the vocal ...

The ability to make two distinct sounds at once is shared with human beat boxers and throat singers. The horse whinny, or neigh, has been a familiar sound at least since the animal was domesticated, ...

A common nightingale perches on a branch with its beak wide open, singing with an intensity that feels almost urgent. The moment looks less like a normal song and more like a signal—possibly warning, ...