Grey-headed woodpecker Concern" rating is primarily based on the large distribution of the species. The grey-headed woodpecker is long and weighs . Specimens of the more widespread of the two Eastern subspecies, "P. c. jessoensis", are usually a little larger and heavier than individuals from the type locality. On average, it is somewhat smaller and lighter than the European green woodpecker. In the field, this distinction in size is difficult to make. Its size is approximately that of a Eurasian collared dove. Grey-headed woodpeckers have uniformly olive green upperparts, transitioning across the neck to a light grey, the head being that latter
Knysna woodpecker Knysna woodpecker The Knysna woodpecker ("Campethera notata") is a species of bird in the family Picidae. It is endemic to South Africa, where its natural habitats are subtropical or tropical moist lowland forests, moist savanna, and subtropical or tropical moist shrubland. It is threatened by habitat loss. It belongs to a species complex that includes the golden-tailed and Mombasa woodpeckers. This species is distinguished from the other South African woodpeckers by its thickly spotted under-surface which is covered black spots from the chin to the vent. Males and females differ slightly. Males have an olive green color above with indistinct,