LONDON -- If you haven't taken the Pottermore Patronus quiz yet,Action Movies | Adult Movies Online we strongly recommend you down tools and complete that important task post-haste.

Everyone -- including J.K. Rowling -- is doing it.

Mashable Trend Report Decode what’s viral, what’s next, and what it all means. Sign up for Mashable’s weekly Trend Report newsletter. By clicking Sign Me Up, you confirm you are 16+ and agree to our Terms of Use and Privacy Policy. Thanks for signing up!
SEE ALSO: Have you seen J.K. Rowling's 'Harry Potter' sketches?

Following the quiz's release on Thursday afternoon, Rowling took to Twitter to explain that her Patronus had changed.

You May Also Like

Back in 2014, she tweeted that it was a pine marten.

After taking the test again, though, Rowling discovered something new.

Here's Rowling's Patronus, in all its winged glory.

You can take the Patronus quiz by logging into the Pottermore website.