Why Do Horses Have Dark Eyes?

The color of a horse’s iris is dependent on the amount of the pigment, melanin. The denser the pigment in their iris, the darker their eye color. Light-colored eyes, blue, green, and grey, have less melanin in their iris. Do all horses have dark eyes? Horses usually have brown or Read more…

Do Horse Eyes Rotate?

We found that eyes of goats, deer, horses, and sheep rotate as they bend their head down to eat, keeping the pupil aligned with the ground. This remarkable eye movement, which is in opposite directions in the two eyes, is known as cyclovergence. Can horses move their eyes? When needed, Read more…

Do Horse Eyes Glow In The Dark?

A large number of animals have the tapetum lucidum, including deer, dogs, cats, cattle, horses and ferrets. Humans don’t, and neither do some other primates. What is a horses night vision like? Horses have excellent night vision. Horse eyes are large, they have a large pupil, and this allows ample Read more…