Moo Deng, the pygmy hippopotamus who became a viral sensation, celebrated her first birthday on 10 July with a four-day festival at Khao Kheow Open Zoo in Thailand. Her online popularity, driven by social media videos, significantly boosted zoo visitor numbers, leading to corporate sponsorships and the creation of branded merchandise.

Thousands of fans have flocked to Thailand’s Khao Kheow Open Zoo to celebrate the first birthday of Moo Deng, the baby pygmy hippo that has become a social media sensation