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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

Ivory-billed Woodpecker Sounds, All About Birds, Cornell ...

    https://www.allaboutbirds.org/guide/Ivory-billed_Woodpecker/sounds
    Other Sounds. The Ivory-bill made a very fast double tap with its bill, with the second tap being slightly quieter than the first, and sounding almost like an echo. The closely related Pale-billed Woodpecker of Central America makes a similar double-tap. It did not have a rolling drum like the Pileated and many other woodpeckers.

Audio Evidence of Ivory-Billed Woodpecker : NPR

    https://www.npr.org/templates/story/story.php?storyId=4814860
    Audio Evidence of Ivory-Billed Woodpecker New evidence adds to hopes that the ivory-billed woodpecker, feared extinct, is alive in eastern Arkansas. Researchers have …

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.

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 ...

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.

Ivory-billed Woodpecker - YouTube

    https://www.youtube.com/watch?v=QueiSwwtL_g
    Video courtesy of Macaulay Library at the Cornell Lab of Ornithology.

Ivory-billed Woodpecker | Southeast Region

    https://www.fws.gov/ivorybill/photoalbum/
    Male ivory-billed woodpecker at nest in red maple, April 1935 (2). Enlargement: Nestling ivory-billed woodpecker and J.J. Kuhn, March 6, 1938: Nestling ivory-billed woodpecker on J.J. Kuhn, March 6, 1938: Paul Kellogg and J. J. Kuhn when sound recording of ivory-billed woodpecker was being made, April 1935: Rainey Lake, Greenlea Bend, May 1939

The Tragically Human End of the Ivory-Billed Woodpecker

    https://gizmodo.com/the-tragically-human-end-of-the-ivory-billed-woodpecker-1848069212
    The ivory-billed woodpecker (Campephilus principalis) was—or is—a 20-inch-long (51-centimeter-long) bird that looked much like the extant pileated woodpecker (Dryocopus pileatus), but the ...

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