The weasel is a mammal belonging to the Mustelidae family. It is related to other mammals including the otter and pine marten. A weasel is one possible corporeal form of the Patronus Charm. It is also Arthur Weasley's Patronus.
Behind the scenes
- "In Britain and Ireland the weasel has a bad reputation as an unfortunate, even malevolent, animal. However, since childhood I have had a great fondness for the family mustelidae; not so much malignant as maligned, in my opinion."