In an elaborate marketing campaign this month, Duolingo seemingly killed its viral green owl mascot in every country but one.

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?

TEMPLE, Texas — Tributes and questions alike are pouring in after language-learning company Duolingo announced that their mascot, a cartoon owl named Duo, had died on Feb. 11. "It is with heavy ...

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