Home Fiona the hippo set to become a big sister after Cincinnati Zoo announces 'surprise pregnancy' byWasifWixNews -April 14, 2022 Fiona the hippo, the Cincinnati Zoo's social media darling, will soon be a big sister -- much to the zoo's surprise.http://dlvr.it/SNb8x5 Facebook Twitter Share:Fiona the hippo set to become a big sister after Cincinnati Zoo announces 'surprise pregnancy' Facebook Twitter WhatsApp Pinterest LinkedIn Reddit Tumblr Telegram Email