An excerpt (the bold font is mine):
Every day, Karan, Justyn, and I record tens of gigabytes of sound data on the Choctawhatchee River using our automated Listening Stations.
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4 comments:
Then, simply select false positives (and you will get false positives) publicize those as "likely Ivory-Billed sounds" and you've built up more "evidence" supporting your claims. Simple!
Fawns don't exist in late winter,early Spring. Do they? Do they have noisy frogs down there? I don't know nothin' about interpreting sonograms... but the Florida recordings sound like 78 RPM records complete with the hiss.
Unless they hear kents on their ARUs, repeating over and over...
they probably are unknown sounds.
A single "kent" uttered in the forest is a lot like what Blue Jays do. I thought these recordings were better were better but on second listen, they're a tad cryptic. :-)
Paul in upstate NY
Fawns don't exist in late winter,early Spring. Do they?
The fawn calls have been reported being made by yearlings, so they can occur all year long.
I just went back and listened again to the sounds posted on the Mennill webpage from 2006. To me, there is little question that the "double knocks" are cars passing over the joints of a bridge or cracks on a road (you can hear motors in nearly every recording!).
The "kents" also seem mechanical in origin to me. It sounds like there are multiple sources in the recordings that have more than one kent, but they all sound like abrasion of two surfaces (such as branches squeaking or brakes of bikes or trucks; again, note the presence of distant motors in many recordings) not something produced vocally. They *all* sound about the same, with no cut having an excited series (or other suggestion of emotional change from the source) as in the Allen recordings, which seems strange for a cross section of the daily vocalizations of a living, breathing organism. And as noted elsewhere, none of these "kents" sound like those in the Allen recordings.
Sorry PD, and others who think these recordings "must" be IBWOs, but I see absolutely no reason to think that *any* of the sounds posted to the Mennill website are made by birds, period, much less Ivory-billed Woodpeckers.
My Two Cents
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