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

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

Baby pygmy hippo Moo Deng eats fruit presented for her first birthday celebration at the Khao Kheow Open Zoo in Chonburi province, Thailand, Thursday.

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

"She spent the whole day lumbering around," 'TODAY' show correspondent Janis Mackey Frayer said of the hippo's b-day ...

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.