Pumuckel may only be 20 inches tall, but the three-year-old Shetland pony has high aspirations. The adorable animal is poised to become the official world's smallest horse, Reuters reported.

A horse used to patrol the southern border in the Big Bend Sector gave birth to a foal earlier this month, the first such birth in the 100-year history of the U.S. Customs and Border Protection.

We paid a visit to the Shetland Grand National ponies' stables ... Chickens riding ponies — and 7 other things we loved about Olympia Horse Show 2015 If you're getting withdrawal symptoms ...