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 ...

A baby pygmy hippo named Mars lives at Tanganyika Wildlife Park in Goddard, Kansas, and while he might just be a few months ...

A cute baby hippo found itself spinning its wheels on a slippery rock while trying to keep up with a herd of hippos in Serengeti National Park in Tanzania. Field safari guide and wildlife photographer ...

I f you're a fan of the baby pygmy hippo named Mars at the Tanganyika Wildlife Park in Goddard, Kansas, let us introduce you to another baby boy named Hugo, who lives at the John Ball Zoo in Grand ...

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 ...

The Edinburgh Zoo launched a cuteness contest between Haggis, its newborn pygmy hippo, and Moo Deng, the adorable mini hippopotamus that became a viral sensation at a Thailand zoo this summer. “Moo ...

The baby hippo skyrocketed to fame in September after adorable photos and videos of her at the Khao Kheow Open Zoo in Thailand spread on social media Valeria Mongelli/Anadolu via Getty The internet's ...

The hippopotamus habitat at the ABQ BioPark Zoo is now open to visitors wishing to catch a glimpse of the new baby hippo born ...

CINCINNATI, Ohio -- An adorable baby hippo born prematurely at the Cincinnati Zoo is growing so fast. Fiona looks tiny for a hippo but she's actually 73 pounds, up from the 29 pounds at her birth. She ...

Karen and Moe, the parents, welcomed their fourth calf on Tuesday morning. Both mom and baby are doing well and seem to be ...