pStaff at Cincinnati Zoo & Botanical Garden said they’re preparing to wean Fiona the baby hippopotamus off bottles of formula as they gear up to start feeding her solid foods.ppFiona, who was born six weeks premature in Januarya, received one of her last meals in liquid form in a video shared to the zoo’s Facebook page on December 15.ppThe clip had earned 290,000 views at the time of writing.