Steven C. Latta, Mark A. Michaels, Don Scheifler, Thomas C. Michot, Peggy L. Shrum, Patricia Johnson, Jay Tischendorf, Michael Weeks, John Trochet, Bob Ford: Multiple lines of evidence indicate survival of the Ivory-billed Woodpecker in Louisiana. April 2022, doi:10.1101/2022.04.06.487399
Catrin Einhorn: When Is a Species Extinct? U.S. Is Close to Naming 21, but Not This Woodpecker. In: The New York Times. 17. Oktober 2023, ISSN0362-4331 (nytimes.com [abgerufen am 7. November 2023]).
Catrin Einhorn: When Is a Species Extinct? U.S. Is Close to Naming 21, but Not This Woodpecker. In: The New York Times. 17. Oktober 2023, ISSN0362-4331 (nytimes.com [abgerufen am 7. November 2023]).