The green owl who was the logo of language-learning app Duolingo is no longer. The US company behind the app, which became a ...

Duo the Owl was known for his silly antics, reminding Duolingo users to complete their daily lessons. He debuted with the app ...

Duo, the owl mascot that reminds users of the Duolingo app to do their language lessons, is “dead,” the company announced on ...