World’s Smallest Horse: 43.18 cm (17-inch) tall The little horse was born to Paul and Kay Goessling, who specialize in breeding miniature horses, but even for the breed Thumbelina is particularly small: she is thought to be a dwarf-version of the breed. At just 60 lb and 17-inch tall, the five-year-old Thumbelina is the world’s smallest horse.
The tiniest cat in the world was a Himalayan cat, Tinker Toy, from Illinois. He was 7.5 inches long and 2.75 inches high according to the Guinness-world-record-of-catswhere he is listed as the lightest cat.! ~ Awww :)