Duo the Owl, Duolingo's make-believe mascot, is alive. The language-learning app announced on Monday that the mascot had faked his death. Duolingo announced two weeks ago that the mascot was ...

Nearly two weeks after Duolingo announced that their mascot Duo—formally known as The Duolingo Owl—had “died,” the language learning app’s nocturnal bird made a surprise return.

"Please post any leads on Twitter."The company said in lieu of flowers, people should complete a Duolingo lesson on the app in the owl’s honor.Duolingo, with headquarters on Penn Avenue in ...