Whether the Ivory-billed Woodpecker is extinct remains a deeply contested subject in ornithology, with some researchers presenting modern audio, video, and habitat sightings to argue for its survival, while others contend the evidence is inconclusive, misidentified, or statistically indicative of extinction.
Evidence for · 5
Application of image processing to evidence for the persistence of the Ivory-billed Woodpecker (Campephilus principalis)
2020 · cited by 7
Paper 1 applies image processing to recent video footage, revealing features consistent with the Ivory-billed Woodpecker.
Evidence against · 5
Uncertain Sightings and the Extinction of the Ivory‐Billed Woodpecker
2011 · cited by 43
Paper 0 uses a Bayesian model on historical sighting records, concluding there is substantial statistical support for the extinction of the Ivory-billed Woodpecker.
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More for · 4
The Role of Acoustics in the Conservation of the Ivory-Billed Woodpecker (Campephilus principalis)
2021 · cited by 6
Paper 2 reports audio recordings of kent calls and double knocks matching the species, supporting its persistence.
Update on the Ivory-billed Woodpecker (Campephilus principalis) Scandal
2023 · cited by 2
Paper 6 discusses ongoing evidence and recent video analyses arguing for the survival of the Ivory-billed Woodpecker against official extinction declarations.
Ivory-billed Woodpecker and Blue Jay kent comparisons at spectrogram level reveal differences
2024 · cited by 0
Paper 9 examines spectrogram-level audio comparisons showing that suspected ivory-billed woodpecker kent sounds differ significantly from blue jays.
A resolvable controversy in avian conservation.
2024 · cited by 0
Paper 11 reviews decades of post-2005 video and field evidence indicating the species persists despite official skepticism.
More against · 4
Echo of extinction: The Ivory-billed Woodpecker's tragic legacy and its impact on scientific integrity
2024 · cited by 3
Paper 3 argues that claims of rediscovery lack rigorous evidence and run counter to population biology, maintaining the species is extinct.
Listening for the Ivory-billed Woodpecker: Sonic geography and the making of extinction knowledge
2023 · cited by 2
Paper 4 details the history of unverified sightings and the official 2021 recommendation by the U.S. Fish and Wildlife Service to declare the bird extinct.
Postextinction Geographies: Audiovisual Afterlives of the Bucardo and the Ivory-Billed Woodpecker
2024 · cited by 2
Paper 5 analyzes the cultural and scientific afterlives of the species, noting that no sighting of the bird has been universally accepted since 1944.
Video analysis of the escape flight of Pileated Woodpecker Dryocopus pileatus: does the Ivory-billed Woodpecker Campephilus principalis persist in continental North America?
2007 · cited by 0
Paper 10 demonstrates that video evidence from Arkansas used to claim a rediscovery is equally or more compatible with the common Pileated Woodpecker.