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.

Pygmy hippo Jahari, father of John Ball Zoo's newest addition, helped break the news on Thursday at John Ball Zoo.

She didn't look real,' Fiona keeper Jenna Wingate recalls. Now, she's a grown-up hippo, still with star status.

MLive was there as the community members gathered to see father Jahari reveal the gender of the zoo’s newest addition. Check ...

In a gender reveal party at the zoo in Grand Rapids, Michigan, proud Papa Jahari took center stage to help unveil his baby's ...

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

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 ...

A pygmy hippopotamus was born at the John Ball Zoo in Grand Rapids on Wednesday, the facility said in a social media post.

The John Ball Zoo in Michigan announced the birth of a pygmy hippo calf, the first of its species to be born at the facility ...

GRAND RAPIDS, Mich. ( WOOD) — It’s here! The John Ball Zoo in Grand Rapids, Michigan, says Penelope, a pygmy hippo, birthed a ...

GRAND RAPIDS, Mich. — John Ball Zoo announced the sex of their new pygmy hippo calf Wednesday. Born last Wednesday to mother ...