Woodpecker species, inhabiting the rocky and grassy hills of South Africa, and the Andean flicker is another. The Swiss Ornithological Institute has set up a monitoring program to record breeding populations of woodland birds. This has shown that deadwood is an important habitat requirement for the black woodpecker, great spotted woodpecker, middle spotted woodpecker, lesser spotted woodpecker, European green woodpecker and Eurasian three-toed woodpecker. Populations of all these species increased by varying amounts in the period 1990 to 2008. During this period, the amount of deadwood in the forest increased and the range of the white-backed woodpecker enlarged as it extended
Chocó woodpecker and a gentle rattle. Chocó woodpecker The Chocó woodpecker ("Veniliornis chocoensis") is a species of bird in the family Picidae. It is found in Colombia and Ecuador. Its natural habitat is subtropical or tropical moist lowland forests. It is threatened by habitat loss from deforestation. Adult woodpeckers are usually 15 to 16 cm long. They have an olive-colored head; adult and juvenile males have a red crown while adult females have a dusty-olive crown. A Chocó woodpecker has a brownish tail. It has green upperwings and cream and brown underwings. The Chocó woodpecker's vocal cries include sharp "pik" notes, softer