is it bestiality to have sex with a fawn?

seeing james mcavoy as tumnus the fawn in “the chronicles of narnia: the lion, the witch and the wardrobe” made me fantasize about doing the nasty with a hairy man-beast.  somehow, i don’t think it’s really bestiality if i did have sex with tumnus, although seeing james mcavoy in even a state of semi-undress does bring out [...]