Duo, the green cartoon owl mascot for language learning app Duolingo, has died, and singer Dua Lipa is grieving.

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 ...

Language learning app Duolingo revealed this week that the bright green owl that was the face of the company has "died," in a ...

Duolingo’s green bird is no more. The company announced on Tuesday that Duo the Owl is ‘dead’ and ‘authorities’ are ...