Starling is a general name of birds, which are distributed in Africa, Europe, Asia and America. At present, 16 species of birds of this family and genus have been found in the world. Starlings have sharp wings and short tails, which are flat tailed; Moderate size, generally 172-296 mm long, straight and pointed mouth, no mouth whiskers; The cephalic side is usually completely feathered.
The ubiquitous European starlings are not only noise makers, but also have a great impact on agricultural production in the United States. It is understood that the annual agricultural economic losses caused by European starlings in the United States amount to US $800 million. In addition, a large number of birds are also a fatal threat to the flight of aircraft. Starling is a social bird, which often forms a huge flock of birds, with a number of up to 1 million or more. Although the huge flock of birds in the sky can produce spectacular pictures, some people have expressed disgust at their existence.