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 ...

Duolingo said it’s working with “authorities” who are investigating the owl’s cause of death ... and streaming video, head to DC News Now | Washington, DC.

The language learning app revealed that its mascot Duo — formally known as The Duolingo Owl — has unexpectedly died for its latest brand marketing campaign. "Authorities are currently ...