Call it a miracle, or a marketing ploy: Duo the owl is back from the dead. Two weeks after announcing the murder of its sassy green mascot, the language-learning platform Duolingo now says he's ...

While Duolingo jokes its mascot was born in 1000 BC ... The original Duolingo logo featured a 2-D owl whose eyes and mouth spelled out “DUO.” A year later, the first 3-D version of Duo ...

Call it a miracle, or a marketing ploy: Duo the owl is back from the dead. Two weeks after announcing the murder of its sassy green mascot, the language-learning platform Duolingo now says he's fine — ...