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I've long believed the concept of "species," especially as it relates to birds, is far more arbitrary than most acknowledge. The ramifications of this fascinating article go far beyond the Ivory-billed Woodpecker (which has now been DNA-barcoded), detailing how molecular/genetic studies are both expanding bird species count (finding "cryptic species" within birds that look physically the same) and also lumping together birds previously thought to be distinctly different species. Some day the constant (virtually silly) AOU bickering over such matters will be put to rest by the newer techniques (although the molecular approach itself will have its own ambiguities).
And on a different note, a local TV story about the IBWO search in the the Big Thicket area of Texas here.
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==> THE blog devoted, since 2005, to news & commentary on the most iconic bird in American ornithology, the Ivory-billed Woodpecker (IBWO)... and sometimes other schtuff [contact: cyberthrush@gmail.com]
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Sunday, February 18, 2007
Saturday, February 17, 2007
-- Interesting --
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Well now, this is interesting... more high technology at work in the search for the Ivory-billed Woodpecker: two high-tech robotic cameras have been installed in the Big Woods area of AR. specially programmed to scan the skies and snap pictures of overflying birds that might meet the characteristics of an Ivory-bill; hard disks are removed regularly (by D. Luneau) and results analyzed by birders. Sounds a bit far-fetched at first, but apparently has met the serious muster of those involved, as yet another jointly-based techie tool in the ongoing endeavor.
A couple of articles relating the story are here:
http://www.physorg.com/news90942222.html
http://news.mongabay.com/2007/0217-ibw.html
....a-a-a-and fierce, unbridled septicism (and unabated mirthmaking) continues to emanate from here.
(where, for those who have followed the internet IBWO debate from the get-go (and know the many Web players and arguments), the 'comments' sections are virtually funnier than the posts.)
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Well now, this is interesting... more high technology at work in the search for the Ivory-billed Woodpecker: two high-tech robotic cameras have been installed in the Big Woods area of AR. specially programmed to scan the skies and snap pictures of overflying birds that might meet the characteristics of an Ivory-bill; hard disks are removed regularly (by D. Luneau) and results analyzed by birders. Sounds a bit far-fetched at first, but apparently has met the serious muster of those involved, as yet another jointly-based techie tool in the ongoing endeavor.
A couple of articles relating the story are here:
http://www.physorg.com/news90942222.html
http://news.mongabay.com/2007/0217-ibw.html
....a-a-a-and fierce, unbridled septicism (and unabated mirthmaking) continues to emanate from here.
(where, for those who have followed the internet IBWO debate from the get-go (and know the many Web players and arguments), the 'comments' sections are virtually funnier than the posts.)
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Thursday, February 15, 2007
-- Another Article --
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Dr. Hill seems a tad late with an update out of the Choctawhatchee... no doubt, busy, processing some film or something : - ) ... No, no, seriously, while we bide time, decent overview article out of Oregon of all places here:
http://www.signonsandiego.com/news/science/20070215-9999-lz1c15knockin.html
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Dr. Hill seems a tad late with an update out of the Choctawhatchee... no doubt, busy, processing some film or something : - ) ... No, no, seriously, while we bide time, decent overview article out of Oregon of all places here:
http://www.signonsandiego.com/news/science/20070215-9999-lz1c15knockin.html
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-- IBWO Foundation --
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Haven't seen much new information on the Ivory-billed Woodpecker Foundation whose inaugural gala is little more than a week away in Huntsville, AL., but their mission statement is here on the BirdingAmerica website.
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Haven't seen much new information on the Ivory-billed Woodpecker Foundation whose inaugural gala is little more than a week away in Huntsville, AL., but their mission statement is here on the BirdingAmerica website.
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Monday, February 12, 2007
-- Keep 'em Comin' --
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Well, the Ivory-bill blogs just keep on comin', and I must say this one looks pretty promising : - ):
http://ivorybilledseptic.blogspot.com/index.html
This Gnarls Pagan fellow sounds like someone I could sip some Beaujolais with.
hmmm... let's see, is Pete Dunne behind this (he never stops writing), or does someone on Team Nokuse have way too much time on their hands????
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Well, the Ivory-bill blogs just keep on comin', and I must say this one looks pretty promising : - ):
http://ivorybilledseptic.blogspot.com/index.html
This Gnarls Pagan fellow sounds like someone I could sip some Beaujolais with.
hmmm... let's see, is Pete Dunne behind this (he never stops writing), or does someone on Team Nokuse have way too much time on their hands????
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-- Hill's Book Forthcoming --
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One of the latest auditory "kent" encounters at the Choctawhatchee is now up on Dr. Mennill's site for listening, here. Like a lot of the acoustic data, interesting, but not altogether meaningful by itself without full spectrographic analysis. The paucity of previous IBWO recordings for comparison makes any definitive conclusions unlikely; but another datapoint for followup.
For believers and agnostics, Geoffrey Hill's book on the Auburn Ivory-bill find/search is due out in a week or so. Look for it in your local bookstore or on Amazon here (see below). I s'pose many of the skeptics won't have any interest since they've already made up their minds, based on a pittance of science and a whole lot of armchair speculation, that the Ivory-billed Woodpecker is not only extinct, but has been since the 1940's (all for lack of a photograph). In the meanwhile, the first multiple and serious searches of some of the areas of interest have barely begun, and not all information is public, but that never keeps some cynics from speaking with certitude, as the rush, rush, rush to judgment continues.
"Ivorybill Hunters: Search for Proof in a Flooded Wilderness Forest" by Dr. Geoffrey Hill.
Table of Contents:
One of the latest auditory "kent" encounters at the Choctawhatchee is now up on Dr. Mennill's site for listening, here. Like a lot of the acoustic data, interesting, but not altogether meaningful by itself without full spectrographic analysis. The paucity of previous IBWO recordings for comparison makes any definitive conclusions unlikely; but another datapoint for followup.
For believers and agnostics, Geoffrey Hill's book on the Auburn Ivory-bill find/search is due out in a week or so. Look for it in your local bookstore or on Amazon here (see below). I s'pose many of the skeptics won't have any interest since they've already made up their minds, based on a pittance of science and a whole lot of armchair speculation, that the Ivory-billed Woodpecker is not only extinct, but has been since the 1940's (all for lack of a photograph). In the meanwhile, the first multiple and serious searches of some of the areas of interest have barely begun, and not all information is public, but that never keeps some cynics from speaking with certitude, as the rush, rush, rush to judgment continues.
"Ivorybill Hunters: Search for Proof in a Flooded Wilderness Forest" by Dr. Geoffrey Hill.
Table of Contents:
Chapter 1: Gone but not forgotten
Chapter 2: A most improbable discovery
Chapter 3: From possible to certain
Chapter 4 : My Quandary
Chapter 5: Is it a miracle?
Chapter 6: The Boynton Cutoff
Chapter 7: Hunting ivorybills in the backyard
Chapter 8: Let the search begin
Chapter 9: Good science, bad science, or no science at all?
Chapter 10: Tangible evidence
Chapter 11: The mule: hauling out the audio evidence
Chapter 12: Voices in the wilderness
Chapter 13: Cat out of the Bag
Chapter 14: Return of the Lord God Bird
Epilogue: How to be an ivorybill hunter
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Sunday, February 11, 2007
-- Cornell Team at the Pearl --
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Mike Collins reports that Cornell's mobile search team is now in the Pearl River area, having concluded their sojourn at the Choctawhatchee. It sounds as though they may have entirely bypassed the Escambia River region of the western FL. Panhandle which would be a bit disappointing if so. (For that matter disappointing they did not explore any more southerly FL. areas, unless the plan is to do so on a return trip later.) I s'pose they may update their log tomorrow or Tues. with further thoughts on their last 10 days or so.
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Mike Collins reports that Cornell's mobile search team is now in the Pearl River area, having concluded their sojourn at the Choctawhatchee. It sounds as though they may have entirely bypassed the Escambia River region of the western FL. Panhandle which would be a bit disappointing if so. (For that matter disappointing they did not explore any more southerly FL. areas, unless the plan is to do so on a return trip later.) I s'pose they may update their log tomorrow or Tues. with further thoughts on their last 10 days or so.
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