It was by the author of the paper on a Birdforum thread.Where?
It was by the author of the paper on a Birdforum thread.Where?
...and a link?It was by the author of the paper on a Birdforum thread.
The full peer reviewed study came out in May, interesting stuff (including videos and audio) and worth a read if you are curious:
Multiple lines of evidence suggest the persistence of the Ivory‐billed Woodpecker (Campephilus principalis) in Louisiana