This is one of the weirder promotions done by an app in recent months. The company even made a video showing Duo being killed ...

Watch your backyard come to life as amazing owl species swoop through the night skies. Get to know the types of owls you ...

Duo was fatally hit by a Tesla Cybertruck, the language-learning company announced this week. The snarky owl has been the face of Duolingo for over a decade. Why his sudden demise, and what's next?

Duo was fatally hit by a Tesla Cybertruck, the language-learning company announced this week. The snarky owl has been the face of Duolingo for over a decade. Why his sudden demise, and what's next?