The owner of a Shetland pony called Pumuckel measuring just shy of 20 inches in height, hopes the animal will make it into the Guinness Book of World Records as possibly the world’s smallest pony.

As the world's smallest horse, 5-year-old Thumbelina, weighing in at 57 pounds, has a bigger mission: to raise $1 million for children's charities this year.

Size differences didn't cause any issues when the world's tallest and smallest dogs met up for a playdate last month Reginald is a 7-year-old Great Dane from Idaho who is the size of a small horse ...

Miniature horse Miniature horses definitely aren’t the smallest of the small animals on this list, but they’re too cute not to include. The smallest living miniature horse is a male named ...