Woodpeckers are part of the bird family Picidae, which also includes the piculets, wrynecks, and sapsuckers. Members of this family are found worldwide, except for Australia, New Guinea, New Zealand,
Pileated Woodpecker Feedingon Tree, crop
A black-rumped flameback using its tail for support
Diagram showing the hyoid bone of Dendrocopos major
Use of cacti for breeding and roosting holes allows some woodpeckers to live in treeless deserts, such as the ladder-backed woodpecker, which uses cacti for nesting.
Picinae containing the true woodpeckers is one of four subfamilies that make up the woodpecker family Picidae. True woodpeckers are found over much of the world, but do not occur in Madagascar or Aust
Woodpecker
…also absent from some of the world's oceanic islands, although many insular species are found on continental islands. The true woodpeckers, subfamily Picinae, are distributed across the entire range of the family. The Picumninae piculets have a pantropical distribution, with species in Southeast Asia, Africa…
Melanerpes striatus 001, crop
Golden-fronted woodpecker, Melanerpes aurifrons
Downy woodpecker (Dryobates pubescens) and hairy woodpecker (Leuconotopicus villosus) at a feeder in Ontario, Canada