Woodpeckers are well-known forest beneficial birds. In addition to destroying pests under the bark such as beetle larvae, their wood-cutting marks can be used as indicators of forest sanitary logging. It is a common resident bird. The species widely distributed in my country include green woodpecker and spotted woodpecker. They forage for beetles, gird bugs, hyaline moths, stink bugs and other pests, and can eat about 1,500 of them every day.