Cheyenne Mountain Zoo welcomed throngs of visitors Wednesday to wish one very special hippo, Omo, a happy first birthday. The 500-pound hippo seemed to enjoy what zoo officials described as a capacity ...

CINCINNATI (WKRC) - A new face could make its debut at the Cincinnati Zoo & Botanical Garden any day now, and that means Fiona, the most famous hippo in the world, is going to be a big sister. Jenna ...

Fiona the hippo has her big girl chompers, as her tusks are really starting to grow. The now-4-year-old hippopotamus began teething around 2, but her tusks -- which are self-sharpening -- have become ...

The Cincinnati Zoo said Bibi the hippo gave birth to a healthy calf around 10 p.m. Wednesday Fiona the hippo is finally a big sister! The Cincinnati Zoo confirmed in a news release on Thursday morning ...

Cincinnati Zoo's hippo bloat grew by one late Wednesday night. The zoo's fierce hippo mom Bibi gave birth to her second baby hippo around 10 p.m., making Fiona a big sister. Bibi bred with male hippo ...

Fiona the hippo is officially a big sister. The Cincinnati Zoo & Botanical Garden welcomed a new hippo calf Wednesday night. Bibi gave birth to the full-term calf around 10 p.m. “This calf looks huge ...