Moo Deng, Pesto, Nibi: Why we’re so into these viral animals

The three are a pygmy hippo, king penguin, and beaver, respectively, and they’re some of the latest celebrities to captivate the internet.

Moo Deng — a 2-month-old pygmy hippo known for her sass and moistness — is perhaps the most viral of the trio, and has attracted upwards of 33 million…