What color is this butterfly? Can bees sing?

Hello, the colors of butterflies are varied and colorful, which are caused by many factors such as species environment. Of course, bees can sing, and some of them can sing. Maybe they are not called singing. In the eyes of human beings, their uh-huh sounds are like singing, and bees also send messages to their companions through the eight-character dance. There are still many secrets waiting for you to answer. I hope you will study hard and do what you like in the future. If you think your brother's answer is useful, take it!