What is the small windmill on the telephone pole for?

The small windmill on the pole is used to drive away birds and prevent wild birds from nesting on the pole and causing danger; Most small windmills are also equipped with small mirrors. When small windmills rotate, small mirrors on their blades can reflect sunlight in all directions. For birds, a small windmill is like a rotating warning light, which can send out a strong flashing signal.

Small windmills are usually orange, because orange is a color that can scare wild birds; When the windmill rotates, it will make a sound that scares wild birds; The mirror on the small windmill blade can reflect strong light into the bird's eyes, which makes the bird feel dizzy. Facts have proved that few wild birds will nest on this small windmill after it is installed on the telephone pole.

Compared with big trees, poles have the advantages of stable structure and no strong shaking in windy weather. There are many wild birds in rural areas of Wuhan due to dense forests and numerous lakes and swamps. Many wild birds like to nest on telephone poles, which is very harmful to power lines. The materials used by wild birds to build their nests are likely to contain wire or other conductive objects. When a conductive object falls on the power line, it will cause various accidents. In order to ensure the safety of power lines, we must try to prevent wild birds from nesting on telephone poles or transformers.