Male hippos can weigh up to 9,920 pounds while females weigh around 3,000 pounds, according to PBS." The animal's scientific ...

Did you know that despite spending most of their lives in water, hippos can’t actually swim? It may sound odd, but these semi ...

Hippos were once believed to be related to whales. They're both mammals, they both sleep underwater, and they both rise to breathe in their sleep, without waking. A Final Takeoff National Treasure ...

Hippos, that is. Poppy ... Visitors can see Poppy grazing and lounging on land and splashing in the water. An underwater viewing window allows zoo patrons to come face-to-face with her.

Hippos spend a lot of time in the water, but they can only stay submerged for around 5 minutes at a time ...

The Mara River makes the perfect home for hippos. They graze the surrounding reed beds and grassland and swim in the bends and pools of deep water. The river supports around 2,000 of these semi ...

Hippos are killed not only for meat but for ivory from their teeth. Mike is a wildlife photographer specialising in underwater photography. In 2004 he finished his education at Moscow State University ...

The outdoor habitat offers guests close-up views of the pygmy hippos on land and in the water. The pool has an underwater viewing window where visitors can come face-to-face with Poppy as she ...

Poppy the pygmy hippo, previously living in a climate-controlled environment, has made her debut in the outdoor Hippo Haven habitat at Metro Richmond Zoo. The nearly four-month-old Poppy, weighing ...