🐴🎂 A golden birthday for our golden girl! Yisun, our beloved mama horse, turned 21 on the 21st and she celebrated in style with a spread of hay, carrots, apples, and lettuce. And she’s officially upgraded to a horizontal driver’s license! 🪪 Happy golden birthday to this beautiful girl! Here's to 21! #PrzewalskiHorse #TakhiHorse #Yisun #GoldenBirthday #DenverZooConservationAlliance #21stBirthday