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

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

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

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.

Admirers flock to zoo to extend birthday wishes, one enthusiastic fan travelling from New York to partake in joyous occasion.

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

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

The young star celebrated her first birthday with a special fruit platter at the Khao Kheow Open Zoo in Thailand.

Thailand's pygmy hippo Moo Deng marked her first birthday on Thursday, drawing crowds of diehard fans even as she left behind ...

Thailand’s viral pygmy hippo Moo Deng turns one as her once-massive online popularity begins to decline significantly.

Thailand's baby pygmy hippo and internet sensation Moo Deng celebrated her first birthday on Thursday, devouring a massive ...