有面镜子就更好了

A little bird lived in the black forest, with a light blue head and white outside. It felt like using its small beak to punish the animals that had made mistakes, but the animals said, "Your beak is too small, no one will feel pain." So it opened its bleeding bowl and ate the animals that had made mistakes. As a result, its belly was stained with blood, and a disaster broke out in the black forest