A birthday bash fit for a queen — or at least a very cute hippo.

The Khao Kheow Open Zoo was overrun with Moo Deng fans on the first of four days of activities marking the hippo’s birthday.

Rescuers with the San Diego Zoo Wildlife Alliance swooped in to save an underweight American pronghorn fawn found struggling on private land in New Mexico.

A male pygmy hippo – the same species as Thailand's viral Moo Deng – was born at Tanganyika Wildlife Park in Goddard, Kansas ...

The New York State Department of Environmental Conservation is investigating whether there is a cougar on the loose after a ...

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 ...

Thailand’s Khao Kheow Open Zoo celebrated the first birthday of its beloved baby pygmy hippo, Moo Deng, who’s captured hearts ...

Moo Deng, the famous pygmy hippo, turned one at Khao Kheow Open Zoo in Thailand. The celebration featured a 20-kilogram cake.

The pygmy hippopotamus, now 6 months old, is Thailand’s biggest celebrity, and the crowds keep flocking. What explains her charm?

The Metro Richmond Zoo in Virginia is offering 30-minute meet-and-greets with its new baby pygmy hippo Poppy through February.

Metro Richmond Zoo recently celebrated the birth of a pygmy hippo and held an online naming contest that drew more than 116,000 votes from 165 countries.

A female pygmy hippopotamus calf was born at the Metro Richmond Zoo in early December, marking the third calf of the endangered species to be born at the zoo in the last five years, officials said.