Hippos are large, semi-aquatic mammals with a barrel-shaped body, short legs, and a large head. They have gray or ...

Hippos are dangerous — highly territorial and fiercely protective of their young. They are capable of capsizing boats and ...

Is anything cuter than a baby hippo? Fans of Thailand’s Khoa Kheow Open Zoo don’t think so. The zoo recently held a four-day festival dedicated to their most famous resident: a pygmy hippo named Moo ...