A new study finds that horse whinnies are made of both a high and a low frequency, generated by different parts of the vocal tract. The two-tone sound may help horses convey more complex information.
Elodie Briefer grew up in the countryside near Geneva — and horses have long been a part of her world.
"I was riding horses when I was young," she recalls. "I can't remember at which age I started, but maybe 6 or 7 years old. I did few competitions, ... [5909 chars]