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Humans and horses have same `facial expressions`

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Washington : Next time you see a horse don’t make a face at it because it can do the same, as a new study that claims horses have facial expressions similar to humans.

A mammal communication research conducted by the University of Sussex research has shown that, like humans, horses use muscles underlying various facial features including their nostrils, lips and eyes to alter their facial expressions in a variety of social situations.

The study builds on previous research showing that cues from the face are important for horses to communicate by developing an objective coding system to identify different individual facial expressions on the basis of underlying muscle movement.

Author Jennifer Wathan said that horses are predominantly visual animals, with eyesight that’s better than domestic cats and dogs, yet their use of facial expressions has been largely overlooked and what surprised her was the rich repertoire of complex facial movements in horses and how many of them are similar to humans.

She added that despite the differences in face structure between horses and humans they have identified some similar expressions in relation to movements of the lips and eyes.

Talking about the development of EquiFACS, a facial expression reading machine co-author Karen McComb said that a systematic way of recording facial expressions can have a wide range of uses.

She added that with EquiFACS they can now document the facial movements associated with different social and emotional contexts and thus gain insights into how horses are actually experiencing their social world.

The research is published in the Journal PLOS ONE. (ANI)