A cute baby hippo found itself spinning its wheels on a slippery rock while trying to keep up with a herd of hippos in the Serengeti in Tanzania.

Baby pygmy hippo Mars goes viral after adorably refusing to leave the pool at Tanganyika Wildlife Park. A newborn pygmy hippopotamus named Mars at Tanganyika Wildlife Park in Goddard, Kansas, has ...

Mars, the beloved baby pygmy hippo who lives at the Tanganyika Wildlife Park in Goddard, KS, became an internet sensation after refusing to leave his pool.

An adorable baby hippo named Mars has gone viral, as the animal's stubborn refusal to get out of the water has captured the ...

In Molly's video, Moo Deng is enjoying a swim in a small tub while her caretaker lovingly scratches her head. It's clear ...

The animal lovers at ZooEarthTV highlight a baby hippo stealing the spotlight with irresistibly cute behavior.

A stubborn baby hippo at a Kansas wildlife park met his match when his mother delivered a look every parent knows.

A baby pygmy hippo's viral moment at Tanganyika Wildlife Park showed how a mother's stern look works across species. Mars, one of only 3,000 left, learned quickly.

Rare baby hippo Mars showed the world that maternal authority has no bounds.

See baby hippo refuse to get out of pool until he gets ‘mom stare' Pygmy hippo Mars didn’t listen to the zoo caretaker when play time in the pool was over, so his mom, Posie, had to step in.