Cornell audio evidence.

Here is a link to some of the Cornell IBWO audio evidence and analysis:

http://www.birds.cornell.edu/ivory/field/listening/

Some other good stuff is at: http://www.birds.cornell.edu/ivory/field/aou2005

I think this shows what Cornell could/should have done at the time of the initial announcement. I get the impression that everything in April was pretty rushed, but they have had the whole summer to play "catch-up" a bit.