Horses are known for their distinctive whinnying sound, which sets them apart from other animals. Recent research published in Current Biology has shed light on how horses produce this unique vocalization. The study found that horses create whinny sounds by combining two frequencies simultaneously—similar to singing and whistling at the same time.
According to Élodie Briefer, an associate professor at the University of Copenhagen and co-author of the study, horses generate a low-frequency sound of around 200 hertz by vibrating their vocal cords, akin to singing. In addition, they produce a high-frequency sound of over 1,000 hertz by whistling within their larynx.
The research suggests that horses possess a unique ability to whistle and vibrate their vocal cords simultaneously, setting them apart from other animals. The study also indicates that horses may have evolved to communicate multiple messages through a single vocalization, utilizing the two distinct frequencies.
Sue McDonnell, an adjunct professor at the University of Pennsylvania, praised the study as a breakthrough in understanding equine vocalizations. She highlighted the significance of the research in stimulating further investigation into horse communication.
The study’s findings provide valuable insights into how horses communicate their emotions through vocalizations. By producing two distinct frequencies in their whinnying, horses may convey different messages about their feelings. This research not only enhances our understanding of horse behavior but also contributes to the broader field of animal communication studies.
In conclusion, the study on how horses whinny sheds light on the complex vocalization mechanisms of these majestic animals. By uncovering the unique way in which horses produce their distinct sounds, researchers have deepened our understanding of equine communication. This research opens up new avenues for exploring the intricacies of animal vocalizations and the evolution of communication in different species.

