These dimensions and features allow “Cavalia’s” 54 Arabians, Belgians, Lusitanos, Percherons and quarter horses enough room to really show what they can do.

Printed in any other color, most of those horses wouldn’t even have noticed it. Red and green are indistinguishable to horses—so a red jump on green grass, for example, is hard for a horse to see.

About 25,000 years ago, humans began painting a curious creature on the walls of European caves. Among the rhinos, wild cattle, and other animals, they sketched a white horse with black spots ...

While it long has been known that many gray horses eventually turn white to the eye with age, scientists recently discovered a genetic explanation behind this color transformation.