Some of the earliest internet moments — Keyboard Cat, for instance — centered on critters. And that hasn't changed, even as the internet grew infinitely more complex and vast. The online world today is hardly what it was in 2020, let alone what it was in its infancy. Yet, all this time, cute animals have been a staple of killing time online.

Moo Deng, a baby pygmy hippo, has become the internet’s latest craze. But what seems like unlikely celebrity has a simple explanation, scientists said: Her cuteness is hijacking our brains.

Here are our favorite memes of Moo Deng, the sassy little pygmy hippo baby from the Thailand Zoo that has been flooding your feed.

A 2-month-old pygmy hippo named Moo Deng is getting millions of fans online and drawing huge crowds to the Thai zoo where she lives.

A baby pygmy hippo from the Khao Kheow Open Zoo in Thailand has gone viral. What to know about Moo Deng, the internet's latest obsession.