Lujan Eroles, who found the creature in her courtyard, posted it on Facebook, sparking over 180,000 shares and countless guesses. Some joked it was a Pokémon; others thought it was a worm. After a month, the mystery was solved: it was a hawk moth caterpillar.
Note: we are republishing this story which originally made the news in March 2017. A viral video from Santa Fe, Argentina, showing a strange creature with “two heads, three eyes, and weird skin” racked up over 19 million views. The snake-like animal puzzled viewers—until it was flipped over, revealing tiny legs beneath.