DENVER — A fixture at the Denver Zoo is leaving the Mile High City. The Denver Zoo Conservation Alliance announced Thursday that Mahali, a Nile hippopotamus, will be moving this fall to a three-acre ...

A rescue drill was held in case Moo Deng escapes, the drill aimed to test the zoo's preparedness for real-life animal escape ...

In honor of National Zoo Keeper week, Lauren and her family got to visit the Dallas Zoo and step into the shoes of the zoologists that work in the hippo habitat.

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 ...

Thousands flocked to a Thai zoo for the first birthday of a baby hippo and social media sensation.

Thousands of excited fans flocked to a Thai zoo on Thursday to celebrate the first birthday of Moo Deng, the adorable baby pygmy hippo that has become a social media sensation.

"What's cool about this is that she'll forever be 10 years old ... and Mathilda, however old she was, she's back with us." ...

CHONBURI, Thailand (AP) — Thousands of excited fans flocked to a Thai zoo on Thursday to celebrate the first birthday of Moo Deng, the adorable baby pygmy hippo that has become a social media ...