"It's covered in dust! You must be the first student in years to pick it up."
At least some content in this article is derived from information featured in Wonderbook: Book of Spells. As such, spoilers will be present within the article. Please take care when reading this article if you have not yet been through the latest update.
Hedley Fleetwood was a wizard. His Patronus took the form of a woolly mammoth, which was considered notable, as it was extremely rare for Patronuses to take the shape of extinct creatures.