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

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

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

Moo Deng, the viral pygmy baby hippo, has turned 1! The social media sensation celebrated her first birthday on Thursday, ...

Tanganyika Wildlife Park in Kansas welcomed a new baby pygmy hippo. The boy might just become a new internet celebrity.

Thousands of fans have flocked to a Thailand zoo to celebrate the first birthday of Moo Deng, the baby pygmy hippo that's ...

Moo Deng, the pygmy hippo who took the internet by storm, celebrated her first birthday Thursday at the Khao Kheow Open Zoo ...

Adoring fans from around the world converged in Thailand this week to celebrate the first birthday of Moo Deng, the baby pygmy hippo who became a social media sensation. John Yang reports.

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

Thousands of fans gathered at Thailand's Khao Kheow Open Zoo Thursday to celebrate the first birthday of Moo Deng, the viral baby pygmy hippopotamus.

Thousands of excited fans flocked to a Thai zoo on Thursday to celebrate the first birthday of Moo Deng, the adorable baby ...