Moo Deng became a meme-worthy internet sensation after zookeeper Atthapon Nundee posted her videos of bathing, playfully biting, and sleeping. Her snot bubbles have a separate fan base.

A baby hippopotamus is causing a fan frenzy in Thailand. Moo Deng - a name that roughly translates to "bouncy pig" - is a two-month-old female pygmy hippo that is going viral online and attracting ...