The speed of birds is the fastest among all the creatures on the earth. The shape characteristics of different birds are different. Some birds look very strange, and some birds have very strange hair on their heads. In the eastern part of the United States, there is a kind of bird with blue hair on its head. This kind of bird’s name is bluejays.
Bluejay is one of the ten most beautiful birds in the world. Bluejay has a very strange appearance. The color of the body of a normal sparrow and other birds is gray. However, the color of the hair on the other parts of the bird is blue except for the white color on its stomach. Therefore, the bird is named Bluejay. When a Bluejay is frightened, the hair on its head will stand up, He said that he was greatly frightened. After the shock, the Bluejay’s hair would return to normal.