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 ...

The word "hippopotamus" was derived from the Greek language, in which "hippos" means horse and "potamos" refers to a "river or rushing water." These so-called "river horses" spend the majority of ...

Did you know that despite spending most of their lives in water, hippos can’t actually swim? It may sound odd, but these semi-aquatic giants have unique adaptations that allow them to thrive in their ...

This newborn baby hippo is swimming straight into our hearts. Born Tuesday at the San Diego Zoo, the new calf can be seen learning to swim with his mom in a new video posted to the zoo's YouTube ...

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. Obi has been learning to ...

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, ...