DUOLINGO users have been left baffled after noticing that the app’s usual bird icon doesn’t quite look itself. The hugely popular language learning platform usually shows a cheery ...

inactive users might look down at their phones to find that the Duolingo app icon suddenly depicts a sadder and older version of the owl's face — or one that's melting into a carnivalesque ...

A popular symbol of the decline of Northwest forests, the medium-sized, chocolatey-brown northern spotted owl depends on the old-growth forests that once stretched in an unbroken ribbon from Alaska to ...