How many breeds of horses are there?
There are over 350 different breeds of horses and ponies. These fall into four main groups:
"light" horses with small bones, thin legs, and weighing less than 1300 pounds; i.e. Thoroughbreds, Quarter Horses, Morgan horses, and Arabians
"heavy" or draft horses that can weigh up to 2000 pounds and are strong with large bones and sturdy legs; i.e. Percherons, Draft, Clydesdale, and Shire horses
ponies that are usually not more than 58" tall (14.2 hands and under), making them smaller than a horse; i.e. Shetland, Haflinger, and Caspian ponies
feral horses that are wild or semi-wild horses. A mustang is a feral horse.