The ivory-billed woodpecker (Campephilus principalis) is a possibly extinct species of woodpecker. It would be about 20 inches (51 centimetres) in length. Its wingspan would be 30 inches (76 centimetres). It is one of 23 species which the U.S. Fish and Wildlife Service has declared extinct.However, the UCN have not changed its assesment of the species, and the USFWS statement might be revoged in 2022, acording to Matt Courtman from Mission Ivorybill.
|A hand-coloured photo of a male from 1935|
Picus principalis Linnaeus, 1758
- BirdLife International (2016). "Campephilus principalis". IUCN Red List of Threatened Species. Version 2013.2. International Union for Conservation of Nature. Retrieved 10 June 2018.
- "Ivory-billed Woodpecker Campephilus principalis". Retrieved 24 October 2018.
- BBC News . US declares 23 bird, fish and other species extinct.