Ivory-billed Woodpecker
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The Ivory-billed Woodpecker (Campephilus principalis) is one of several species whose numbers have dwindled to the point where it is uncertain whether any remain. The species is listed as critically endangered and possibly extinct by the International Union for Conservation of Nature (IUCN). The American Birding Association lists the Ivory-billed Woodpecker as a Class 6 species, a category they define as "definitely or probably extinct." Reports of at least one male Ivory-billed Woodpecker in Arkansas in 2004 were investigated and subsequently published in April 2005 by a team led by the…mehr

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The Ivory-billed Woodpecker (Campephilus principalis) is one of several species whose numbers have dwindled to the point where it is uncertain whether any remain. The species is listed as critically endangered and possibly extinct by the International Union for Conservation of Nature (IUCN). The American Birding Association lists the Ivory-billed Woodpecker as a Class 6 species, a category they define as "definitely or probably extinct." Reports of at least one male Ivory-billed Woodpecker in Arkansas in 2004 were investigated and subsequently published in April 2005 by a team led by the Cornell Laboratory of Ornithology (Fitzpatrick et al., 2005). No definitive confirmation of those reports emerged, despite intensive searching over five years following the initial sightings. In June 2006, a $10,000 reward was offered for information leading to the discovery of an Ivory-billed Woodpecker nest, roost or feeding site. In December 2008, the Cornell lab of ornithology announced a reward of $50,000 to the person who can successfully lead a project biologist to a living Ivory- billed Woodpecker.