A zoo in Thailand used a mascot version of its most famous resident, Moo Deng the pygmy hippo, for a drill testing zookeepers ...

This is the amusing moment zoo staff rehearsed a rescue drill in case baby hippo Moo Deng escapes from her enclosure. Staff ...

The exhibition is a great addition to Marwell, offering families the chance to follow a trail which shines a spotlight on ...

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.

The OKC Zoo celebrated Christmas in July with Peevey — an Oklahoma City native who was just 10 years old when she recorded the cheery 1953 yuletide ditty "I Want a Hippopotamus For Christmas ...