Rare zebra foal in Kenya's Masai Mara Reserve has polka dots instead of stripes (Credit: Frank Liu Photography)

The Masai Mara Reserve is one of Kenya's most popular tourist attractions. Every year, thousands of people flock to the national park to glimpse of a variety of wild animals, such as lions and cheetahs, or to witness the majestic annual migration of over 1.5 million wildebeests to and from neighboring Tanzania. However, this September's human "stampede" is due to an unexpected animal — a zebra foal with polka dots!