Creatures
Buckbeak
Buckbeak is a hippogriff in Hagrid’s Care of Magical Creatures class. He bows to Harry and later attacks Draco Malfoy after being insulted, which leads to a Ministry execution order. Sirius Black escapes on him, and the hippogriff later lives under the name Witherwings.
First mention
Harry Potter and the Prisoner of AzkabanChapter: Talons and Tea Leaves
The class meets the hippogriffs in the paddock behind Hagrid’s hut. Harry bows, and Buckbeak lets him ride.