Grey-headed woodpecker colour. The typical woodpecker markings are small and not particularly conspicuous. It has a grey head with black moustache, and the male has a red crown. It has a shorter neck, slimmer bill and slightly rounder head than the green woodpecker. Calls made by the European green woodpecker and grey-headed woodpecker resemble each other. The far-carrying territorial song of the grey-headed woodpecker is more melodic and cleaner than the explosive "laughter" of the green woodpecker. The call series consists of ten to fifteen utterances of declining pitch and gradual slowing. The verse may appear melancholic and "dying". The territorial song
Green-backed woodpecker upper parts, spotted with cream or yellow, and buff or white underparts, boldly spotted with black, and flanks barred with black. The tail is green with individual feathers having brownish shafts. There is a white supercilium, the eye ring is grey, the iris chestnut, the beak grey tipped with black and the legs and feet grey or olive. The juvenile is similar to the female in appearance, although the nape may have little red. The green-backed woodpecker is found in Angola, Burundi, Cameroon, Central African Republic, Republic of the Congo, Democratic Republic of the Congo, Equatorial Guinea, Ethiopia, Gabon, Ghana,