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Ivory-billed Woodpecker Sounds, All About Birds, Cornell ...
https://www.allaboutbirds.org/guide/Ivory-billed_Woodpecker/sounds
The largest of the woodpeckers north of Mexico and the third largest in the world, the Ivory-billed Woodpecker was a bird of old-growth forests in the southeastern U.S. and Cuba. Destruction of its forest habitat caused severe population declines in the 1800s, and only very small numbers survived into the twentieth century. It was thought to have gone extinct in the middle of the …
Ivory-billed Woodpecker | Southeast Region
https://www.fws.gov/ivorybill/audio.html
Audio -- Hear the only known recording of the Ivory-billed Woodpeckers captured in 1935 on the Singer Tract, Louisiana (today part of the Tensas National Wildlife Refuge). Recorded by Arthur A. Allen and Peter Paul Kellogg ©2004 Cornell Lab of Ornithology Click here to visit Cornell's site
Sounds of the Ivory-Billed Woodpecker
https://www.loc.gov/static/programs/national-recording-preservation-board/documents/IvoryBilled.pdf
Sounds of the Ivory-Billed Woodpecker (1935) Added to the National Registry: 2008 . Essay by Cary O’Dell . The ivory-billed woodpecker . The avian species Campephilus principalis is better known as the ivory-billed woodpecker. It may or may not be extinct. At its full maturity, the ivory-billed woodpecker is the largest woodpecker indigenous ...
Sounds: Is that an Ivory-billed Woodpecker? - National …
https://www.aviary.org/conservation/project-principalis/natural-history/sounds/
Presumed Ivory-billed Woodpecker calls recorded by an Audio Moth, February 18, 2020. These calls are somewhat distant and are often obscured by the squirrels and the Red-shouldered Hawk. Sonogram from one of the March 2017 recordings (below), showing a harmonic structure similar to the Singer Tract kents.
Putative audio recordings of the Ivory-billed Woodpecker ...
http://www.fishcrow.com/JASAv129p1626.pdf
as an Ivory-billed Woodpecker, track the movements of the bird for 10 min, and then obtain video footage of a large woodpecker that has several characteristics consistent with an Ivory-billed Woodpecker. This footage supports the hypoth-esis that the high-pitched calls were made by an Ivory-billed FIG. 1.
Evidence of ivory-billed woodpecker's existence mounts ...
https://news.cornell.edu/stories/2005/08/evidence-ivory-bill-existence-mounts-audio
"The thrilling new sound recordings provide clear and convincing evidence that the ivory-billed woodpecker is not extinct," said Yale ornithologist Richard Prum, one of the PloS paper's authors on Aug. 2. The growing evidence -- including the video and eyewitness sightings -- makes a compelling case for the woodpecker's survival.
Audio Evidence of Ivory-Billed Woodpecker : NPR
https://www.npr.org/templates/story/story.php?storyId=4814860
There's new evidence suggesting the majestic ivory-billed woodpecker, once thought to be extinct, is indeed alive in eastern Arkansas. Researchers have captured the sounds of bird calls and...
New Recordings of 'Extinct' Ivory-Billed Woodpecker
https://news.yahoo.com/news/recordings-extinct-ivory-billed-woodpecker-152602204.html
His evidence has been rejected by a string of ornithology journals – often, he says, without explanation. And so he has turned to acoustics scientists to …
The Tragically Human End of the Ivory-Billed Woodpecker
https://gizmodo.com/the-tragically-human-end-of-the-ivory-billed-woodpecker-1848069212
The ivory-bill’s kent also set it apart from the pileated woodpecker, which has a call that sounds a lot more like a cackle than the toy …
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