Pony
They are a different type of the species. There are many different breeds of ponies. Ponies are not baby horses and they stay small even as adults. A baby horse or pony is called a foal. These horses are raised around farms like other horses. Ponies are usually more chubby than horses and ponies have shorter legs. Shetland ponies are around the same height as miniature horse maybe a bit bigger a times but they ARE ponies not miniature horses.