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
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",