Hippo Cove Hippo Cove, home of the World’s most famous hippo, Fiona, was designed to bring visitors #CloseEnoughToCare! There is an underwater viewing area and an interactive play area for children young and old to learn and explore more about these giant and amazing animals. Visit baby hippo Fiona and her mom Bibi next time you go to Hippo Cove! Temperatures must be 45 degrees or warmer for Fiona the hippo to be outside. The best time to see her active is between 3pm-5pm.