関連ワード:  why does my cat bite her back nails    why does my cat bite her back legs    why does my cat bite her back    why does my cat bite her back claws    why is my cat biting her back paw    why is my cat biting its back    why does my cat bite when i scratch her back    why does my cat bite when i touch her back    why does my cat bite me when i pet her back    why does my cat bite herself when i scratch her back