Gray crane introduction: Gray crane is a large wading bird, with a body length of 100-120 cm. The neck and legs are very long, the feathers all over the body are mostly gray, the bare skin on the top of the head is bright red, there is a gray-white vertical band from behind the eyes to the side of the neck, and the legs are black. It inhabits open plains, grasslands, swamps, riverbanks, wilderness, lakes and farmland areas; it especially likes open lakes and swamp areas rich in waterside plants.