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.

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 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.

Moo Deng, the baby pygmy hippo, celebrates her birthday at the Khao Kheow Open Zoo, drawing thousands of fans and raising funds for animals.