The Jarvey resembles an overgrown ferret, and is commonly found in Britain, Ireland, and North America. The Jarvey is capable of Human speech, although true conversation with a Jarvey is impossible. The creature uses short, usually rude, statements and phrases in an almost constant stream.
Jarveys live below ground, and their diet consists of moles, voles, rats, and Gnomes. Jarvey are particularly good at hunting Gnomes, and are sometimes employed to de-gnome a garden, although their methods are usually brutal.
A Franciscan monk, Brother Benedict, once had a run-in with a Jarvey in the grounds of his monastery. The Jarvey called him a "baldy", then bit him on the nose so hard that the Monk was excused from Vespers. However, the incident did call Brother Benedict's testimony into question when he relayed it, and the Friar wondered if he'd been drinking Brother Boniface's turnip wine.
Behind the scenes
- In Harry Potter and the Deathly Hallows: Part 2, Albus Potter is seen with a pet ferret. This may have been a Jarvey, but it is unlikely due to the fact that Jarveys are described as "overgrown".