Huffpost Science

Scientists know that humans, chimpanzees, and other primates can convey surprising amounts of information by means of a glance and tilt of the head. But what about animals with eyes on the sides of their heads, like deer and horses? What kind of social cues do they use to communicate?

Now, mammal communication experts report that, at least for horses, a great deal of information is conveyed through the position of the animal’s ears as well as its eyes.