It started Tuesday when the language-learning app Duolingo posted that Duo the Owl, its internet-famous big green bird, was dead. “It is with heavy hearts that we inform you that Duo ...

Corporate mascots may just have one of the most precarious jobs in marketing. The latest casualty: the Duolingo owl, a sassy multilingual bird who met his tragic fate after a car accident.

WASHINGTON — Language learning app Duolingo revealed this week that the bright green owl that was the face of the company has "died," in a viral social media stunt. Duo, who was known for his ...