- horse knee = human wrist, horse stifle = human knee, and horse hock = human heel
- a horse uses a liter of oxygen a minute when walking, and almost 60 liters of oxygen per minute when galloping
- horses use 10 percent less energy standing up than they do lying down.
- when people groom horses and ponies in the areas where horses "groom" each other (the neck, back, and shoulders), their heart rate decreases by about 11 percent.
- Xenphon (circa 430-355 BC), a general and historian from Greece, wrote a book about riding and training horses which described procedures still used today.
- horses and ponies have been shod (given horseshoes) since Roman times.
- the English Thouroughbred can be traced back to three Arabian stallions in the 17th and 18th centuries: Darley Arabian, Godolphin Arabian (King of the Wind, anyone?), and Byerley Turk.
- all American Morgan horses are descended from one stallion, which lived in Springfield, Massachusetts, and was named Justin Morgan after his owner.