The hippopotamus, commonly called "hippo," is the third-largest living land animal. Male hippos can weigh up to 9,920 pounds while females weigh around 3,000 pounds, according to PBS." The animal's ...

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 ...

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 ...

Inquiring minds want to know what it’s like being a baby pygmy hippo—and the staff at Tanganyika Wildlife Park didn’t disappoint! They’ve spent the last several months sharing daily updates on Mars, ...

Hippos swim alongside habitat fish at Memphis Zoo A “mutualistic relationship” between the Memphis Zoo’s hippos and habitat fish has been formed as the two parties hang out with one another — and it's ...

An adorable baby pygmy hippo at the Metro Richmond Zoo in Moseley, Virginia, had its first swim accompanied by its mom after the water level was lowered for the little hippo’s swim debut, footage ...

The South African broke two world records in the process. PRETORIA, South Africa -- A South African swimmer has splashed his way into history by swimming across Lake Malawi during the tropical cyclone ...

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 ...