Baby hippos can be quite a handful. They are naturally rebellious and exhibit highly rambunctious behavior on a daily basis.

This is the fourth pygmy hippo born in a U.S. zoo in the last year, which is significant for the endangered species.

When a well-known and loved homeless man nicknamed “Pepe” was killed in the crossfire of a Chicago shooting outside her home ...

A baby pygmy hippo's viral moment at Tanganyika Wildlife Park showed how a mother's stern look works across species. Mars, one of only 3,000 left, learned quickly.

In a viral video shared by the zoo, they demonstrate the best way to cure the hippo's mischief: calling his mother.

Friends, I hope you're picturing the absolute town-crier vibe of this announcement. This Monday we are collectively gifted by ...

A Tahlequah native is helping care for baby pygmy hippo Mars at Tanganyika Wildlife Park in Kansas, where the young animal has quickly become a social media sensation.

Fiona the hippo at the Cincinnati Zoo has been written up in the New York Times and her own show. Mars, a pigmy hippo in ...

GRAND RAPIDS, MI - A female pygmy hippo named Penelope has given birth to a “little splash of joy,” marking the first calf for her and her mate, Jahari. The 11-pound baby hippo was born on Wednesday, ...

Since pygmy hippos live a solitary lifestyle, there would be no reason for Mars to interact with his dad. Posie has her hands ...

Mars, the baby hippo with a sassy attitude, has captured hearts worldwide and is drawing visitors from as far as Phoenix and ...

John Ball Zoo is happy to share the birth of a pygmy hippo calf! Zoo staff are excited about the newborn for more than one ...