All About Birds: Ivory-billed Woodpecker
Ivory-billed Woodpecker (Campephilus principalis). In The Birds of North America, No. 711 (A. Poole and F. Gill, eds.). The Academy of Natural Sciences, Philadelphia, PA.
birds.cornell.edu/programs/AllAboutBirds/BirdGuide/Ivory-billed_Woodpecker_dtl.html
Comprehensive Report Species – Campephilus principalis
… birds. Seventh edition. American Ornithologists’ Union, Washington, DC. 829 pp. Concept Reference Code: B98AOU01NAUS Name Used in Concept Reference: Campephilus principalis
www.natureserve.org/explorer/servlet/NatureServe?searchName=Campephilus+principalis+
Introduction — Ivory-billed Woodpecker …
Ivory-billed Woodpecker (Campephilus principalis), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America …
bna.birds.cornell.edu/BNA/demo/account/Ivory-billed_Woodpecker
2007 IUCN Red List – Search
Range Description: Campephilus principalis formerly occurred at low densities throughout the south … Bird Reference Citations. The numbers inserted in the text accounts above …
www.iucnredlist.org/search/details.php?species=3712
Science Express Logo Report
Ivory-Billed Woodpecker ( Campephilus principalis ) Persists in Continental North America John W. … drums also have been heard from the region. Extensive efforts to locate birds away …
www.sciencemag.org/cgi/rapidpdf/1114103v1.pdf
Ivory-billed Woodpecker – Wikipedia, the free encyclopedia
The Ivory-billed Woodpecker (Campephilus principalis), a very large member of the woodpecker family, … Reports of at least one male bird in Arkansas in 2004 and 2005 were suggested in …
en.wikipedia.org/wiki/Campephilus_principalis
Ivory-billed Woodpecker (Campephilus principalis) Persists in …
Ivory-billed Woodpecker (Campephilus principalis) Persists in Continental North America … Extensive efforts to find birds away from the primary encounter site remain …
www.sciencemag.org/cgi/content/abstract/1114103
Ivory-billed woodpecker – Campephilus principalis – ARKive
Ivory-billed woodpecker – Campephilus principalis – ARKive … Mammals; Birds; Reptiles; Amphibians; Fish; Invertebrates … Wildscreen 2003-2008.  By using this website you …
www.arkive.org/ivory-billed-woodpecker/campephilus-principalis
Avian Conservation and Ecology – Écologie et conservation des oiseaux …
… that Ivory-billed Woodpeckers (Campephilus principalis) exist … Ivory-billed Woodpecker (Campephilus principalis). No. 711 in A. Poole and F. Gill, editors. The birds of North America …
www.ace-eco.org/vol1/iss3/art2
Naturalis – Extinct bird: Campephilus principalis principalis (Ivory …
3D pictures of the extinct Ivory-billed Woodpecker (Campephilus principalis principalis) in the Naturalis collection (Leiden, the Netherlands).
ip30.eti.uva.nl/naturalis/detail.php?lang=uk&id=53