In the movie "Harry Potter And The Prisoner Of Azkaban", what kind of creature was Buckbeak?

I like Harry Potter story i love magical and some wizzardry fhing

can't believe I answered this one wrong ):

there's a man with a long beard. he is professor dumbelldor

I have watch this movie in this movie Harry Potter will have to rescue the prisoner of azkaban and named serious black and with buckbeak

Harry Potter will always have a special place in my heart.

Way too many Harry Potter questions.