The zoo defended its care for Moo Deng, arguing the baby hippo receives the best possible care and is part of a conservation programme Thailand has dismissed as outdated, animal rights group Peta's accusations that an internet-famous female baby pygmy hippo "faces a lifetime of confinement" at a local zoo cashing in on the mammal's stardom.

Zookeeper Atthapon Nundee has been posting cute moments of the animals in his care for about five years. He never imagined the zoo’s newborn pygmy hippo would become an internet megastar within