"Authorities are currently investigating his cause of death and we are cooperating fully," the statement read, with Duolingo cheekily insinuating that their mascot most likely died while waiting for ...

Goodbye, Duo the Owl. Duolingo announced that they're bidding farewell to Duo, formally known as The Duolingo Owl. In an Instagram post on Wednesday, Feb. 12, the language learning app said that their ...