Grey-headed woodpecker grey-headed woodpecker prefers undisturbed and ancient forests with natural cohort structure as well as riparian forests for breeding, the destruction of such habitat is the greatest threat to the species. Grey-headed woodpecker The grey-headed woodpecker ("Picus canus"), also known as the grey-faced woodpecker, is a Eurasian member of the woodpecker family, Picidae. Along with the more commonly found European green woodpecker and the Iberian green woodpecker, it is one of three closely related sister species found in Europe. Its distribution stretches across large parts of the central and Eastern Palaearctic, all the way to the Pacific Ocean. The grey-headed woodpecker
Little green woodpecker its crown and nape. The juvenile bird has greener upperparts with pale streaks, and its underparts are paler. The little green woodpecker is found in West Africa, in Senegal, Guinea-Bissau, Guinea, Sierra Leone, Liberia, Ivory Coast and Ghana. Its range would extend east to South Sudan, Uganda, Angola and the Democratic Republic of the Congo if "C. cailliautii permista" were included in this species. Its habitat is edges of primary and secondary forests, clearings, and mosaics of forest and shrub, at elevations up to . This woodpecker eats arboreal ants. Its calls are a plaintive "huweeeeh", a harsh "whee", "kewik",