Campephilus rubricollis

The male adult bird has a dark gray and green forehead. At first, it is light reddish brown, and the rest of the head is light green. From the top of the head to the back of the neck, there is a deep red color, and the base of each feather is mainly dark gray. Near the end of the red feather, black fine dots are added; These dark gray and black parts often appear on the surface. There is a deep red collar from the back of the neck down from the left and right sides to the center of the chest, but the red color on the chest is lighter and brown, and the circle pattern is also wider here. There is a cheekbone pattern from the base of the mouth to the red collar, which is slightly dirty gray, and the back is also scattered with deep red. The upper body, including the shoulder feathers and small feathers on both wings, is approximately bright green in color, while the dark gray at the base of the back feathers is often exposed. The central and large covering feathers on the wings are the s