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
Little woodpecker Little woodpecker The little woodpecker ("Veniliornis passerinus") is a species of bird in the family Picidae, the woodpeckers, piculets, and wrynecks. It is found in a wide range of wooded habitats in a large part of South America east of the Andes, and generally common. Unlike other similar and comparably sized members of the genus "Veniliornis", the little woodpecker lacks a contrasting yellow nape. In 1760 the French zoologist Mathurin Jacques Brisson included a description of the little woodpecker in his "Ornithologie" based on a specimen collected in Saint-Domingue (now Haiti). He used the French name "Le petit pic de