A hippo recently let his mom step on top of his back, acting as a “step stool,” while the two were in the water at the Cincinnati Zoo, the video shows. Adorable video released by the zoo on Nov. 20, ...

This is the amusing moment Moo Deng used an upturned basin as a lookout point in her enclosure. The pygmy hippo was spotted standing on the black container as she observed visitors surrounding her ...