At 2,400lb, he has a giant appetite to match, putting away 20 gallons of water a day and 18lb of grain.
Little = 17 inches, the miniature brown mare known as Thumbelina takes pride in the lofty title of the World's Smallest Living Horse. Thumbelina, who weighs 4st 9lb, was born on a farm in St Louis, Missouri. She eats two cups of grain and a handful of hay each day.