Geocolaptes olivaceus (Ground woodpecker) Both sexes excavate the nest, which consists of a 0.5-1.0m long tunnel ending in a circa 15 cm wide egg chamber. It is usually dug into earthen banks, such as riverbanks and gullies, or in crumbling walls of abandoned buildings or termite mounds.
The Nubian woodpecker (Campethera nubica) is a species of bird in the Picidae family. It is distributed widely in Central and Eastern Africa, from Chad in west to Somalia in east and Tanzania in south.
Dark-bodied Woodpecker (Picoides tridactylus funebris) is a bird in the family Picidae found in southern China. It is usually considered a subspecies of the Eurasian three-toed woodpecker (Picoides tridactylus).
Lesser Yellownape woodpecker (Picus chlorolophus), female - photo by Chen (Chaya Sirima), via orientalbirdimages; in Thailand; This bird is found in tropical and sub-tropical Asia, primarily the Indian subcontinent and Southeast Asia. - info from Wikipedia