Due to hippos' dense bone structure and heavy bodies, hippos sink in water, according to BBC Earth.This makes it hard for the animals to swim. Despite this, hippos spend "up to 16 hours per day in ...

Hippos can't actually float or swim. They push off the bottom and propel themselves to the surface for air. Adult hippos can hold their breath for up to 5 minutes.

Whether you want a hippopotamus for Christmas or just like to see them at the zoo, let's get to know more about these semiaquatic mammals' swimming skills, or lack thereof. Start the day smarter.

Before Moo Deng became a viral sensation, baby Obi was making waves with his mom at the Melbourne Zoo in Australia. A YouTube ...

Hippos, residing in East and sub-Saharan Africa, cannot swim. The hippopotamus, also known as a hippo, is a massive amphibious mammal that spends most of its time near "lakes, pools, mudholes, or ...

An adorable baby hippo at the zoo in Richmond recently got a name, Petunia, and video shows she’s practicing her swimming — a sign that she’s reaching her age-appropriate milestones.

A newborn pygmy hippo is splashing into the New Year at the Metro Richmond Zoo in Moseley, Virginia. On Tuesday, “Iris and her 3-week-old calf were moved into the zoo’s indoor pool area for ...