The mouth is controlled by flexes, I don't like using bones for facial animations.
As for the hair, the hair and tail have jigglebones, meaning that they move automatically when you move the model. You can move them yourself as well, but that requires baking procedural bones, meaning that the automatic movement goes out from the window and you need to animate the hair yourself.
As for the hair, the hair and tail have jigglebones, meaning that they move automatically when you move the model. You can move them yourself as well, but that requires baking procedural bones, meaning that the automatic movement goes out from the window and you need to animate the hair yourself.