Cornell 2006-07 report--interesting tidbits
I know that some people have attempted to ban the word, but readers of this thread might find the following link interesting.
I did.
http://www.birds.cornell.edu/ivory/q_and_a/
Yes, that's a very interesting report--it looks very similar to their summary of the 2005-06 search season (
here). It's couched as an FAQ, I'll pull out some interesting quotes:
Did searchers see or hear Ivory-billed Woodpeckers during the 2006-07 season in Arkansas?
"The official search team logged 24 possible ivory-bill encounters..... All were investigated in detail but none were declared to be definitive."
Translation: No.
Were any of these encounters especially interesting?
(A tantalizing account of an interesting observation by a hunter--no photo of course.)
Translation: To the people at Cornell, perhaps.
Were any ivory-bill sounds recorded?
"Eleven recordings were flagged as being possible ivory-bill sounds and analyzed further....These included audio recordings of nasal kent-like sounds. However, without an accompanying sighting, it is impossible to say with absolute certainly that these sounds were made by an ivory-bill....Wild Turkey, Great Blue Heron, and eastern gray squirrel (can produce kent-like calls). Also the clap of duck wings can sometimes produce sounds similar to the characteristic double-knock of an ivory-bill drum."
Translation: audio evidence without sightings to back it up is worthless--they admit it. The things they thought were IBWO double-knocks are probably ducks. (That was in the 2005-06 report as well.)
I find it interesting that Eastern Gray Squirrels can produce
kent-like calls. I had not heard that one before. Makes one wonder about Hill's audio results in Florida--can they claim there are no squirrels in their area?
Were ivory-bill nest holes or roost holes found?
Translation: No.
Were any pictures of ivory-bills taken by remote cameras?
"..alas, no ivory-bills were recorded during these deployments."
Alas! I like that. I don't see that word in press releases very often. We did not find any birds, but we are so sad and wistful about it, we must be sincere. They also get points for sounding Shakespearean.
How extensive was the 2006-07 search in Arkansas?
"Since spring 2004, search teams have made at least one visit to about 16.5% of the total area of southeastern Arkansas that has been the focus of the search."
Comment "About" 16.5 percent. I like the 0.5% added on--that gives an impression of accuracy, but the "about" tones it down. Excellent spin-doctoring!
From the 2005-06 report:
"Systematic transect searching and intensive field monitoring of 12% of the area of the Big Woods has cost roughly 1.6 million dollars and has taken two field seasons to complete."
So they are dropping off--in 2004-05 and 2005-06 they covered 12%, but only 4.5% more in 2006-07.
Translation. Send more money--there is
so much more area to be searched. At this rate it will take something like 18 more years to finish the search in southeastern Arkansas alone. Then there are all of those promising areas in Florida, South Carolina, ...
What did the mobile search team find?
"Possible double knocks...Areas of promising habitat..."
Translation. Nothing.
What’s the status of the recovery plan?
"...This plan recognizes that a recovery strategy is based upon identifying where the ivory-bill may still exist-hence the continued search is key along with preservation of habitat...."
Comment. Isn't it more important to identify areas where the IBWO actually
does exist? If you can't find those, what is the point of a recovery plan for a single species? (And I don't buy that "it's worth it to conserve other species." Biodiversity conservation, I feel, needs to be based on good science, especially biological surveys. People running around in camo in the woods with binoculars aren't going to find much except birds and maybe the odd mammal--their efforts are worthless for conservation of anything other than large, diurnal vertebrates.)
Well, it looks like there is going to be at least one more year of searching, and we can look forward to more entertaining press releases.