A list of the most uncommon amazing horse facts, that are unknown to most horse lovers. https://ushorsetrailer.com/ There are more than 400 breads of horses. The life expectancy of a horse is 25-30 years. The fastest horse ever recorded was 55 mph. Horses generally love sweets and dislike sour. Horses can be as tall as 69" and weigh up to 2,200 pounds. 62 - Age of the oldest living horse. There are 60 million horses worldwide. Horses have the largest eyes of all mammals. Horses are measured in hands. 1 hand equals 4". Ponies tend to live longer than horses. Horses can drink 25 gallons of water per day. Horses have a better sense of hearing and smelling than humans. Horses can eat up to 1-2% of their body weight each day. Horses have a great memory.