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

Totally unfazed that it was her birthday, she wandered around her enclosure, took a few naps and chewed her caretaker’s knees ...

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.

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

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

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

Moo Deng, Thailand’s baby pygmy hippo from that inspired a Saturday Night Live character and thousands of memes, has begun her four-day birthday celebration at Khao Kheow Open Zoo.

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

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

A six-year-old Thai boy with terminal cancer fulfilled his final wish by meeting Moo Deng, the world-famous pygmy hippo at a zoo in eastern Thailand, before passing away.

A six-year-old Thai boy with terminal cancer was able to meet the internet-famous pygmy hippo Moo Deng as his final wish.