This little guy is beating the heat in the cutest way possible! Check out Obi, a 3-week-old pygmy hippo calf, splashing around with his mom at the Melbourne Zoo in Australia. Tap to see video if ...

Before Moo Deng became a viral sensation, baby Obi was making waves with his mom at the Melbourne Zoo in Australia. A YouTube video from Zoos Victoria shows the baby pygmy hippo taking its first swim ...

GRAND RAPIDS, Mich. (WOOD) — John Ball Zoo’s baby pygmy hippo made his public debut Monday. Baby Hugo made his first public appearance Oct. 27 for a members-only preview event. The exclusive event ...

The baby hippopotamus born earlier this month at Cincinnati Zoo & Botanical Garden finally has a name. The zoo revealed Monday on NBC's "TODAY" show that the male calf's name is Fritz. Fritz’s mother, ...

Mahali, the Denver Zoo’s beloved Nile hippopotamus, will stay in the Mile High City a little longer than expected. Zoo ...

DENVER (KDVR) — The Denver Zoo Conservation Alliance is saying goodbye to its Nile hippopotamus, Mahali, as he moves to a wildlife preserve in Texas this fall. The zoo said the move is designed to ...

DENVER — Denver Zoo Conservation Alliance said this week that its beloved hippos' scheduled transfer to a different state ...

DENVER — A fixture at the Denver Zoo is leaving the Mile High City. The Denver Zoo Conservation Alliance announced Thursday that Mahali, a Nile hippopotamus, will be moving this fall to a three-acre ...