Owl, is the general name of the wedge-shaped birds. The general feathers are mostly brown, scattered with light-colored fine markings, dense feathers, fluffy, soft, the feathers around the eyes are radiant, the thin feathers between the eyes protruding until the forehead, wedge-shaped, some species have ear-shaped feathers; The head is large and wide, the front end of the mouth has a small hook bent downward, the root of the mouth has no wax film, but it is mostly covered by hard feathers; the neck is flexible, with a special cervical spine structure, the head can reach 270 degrees. The head of the owl is extremely similar to the cat, so it is called.