Hi everyone,
By sheer luck and coincidence, I happened to be in almost the same area as Luke and Will but a couple days earlier, on July 17. Specifically I was walking along the Rock Creek trail in the Eaglesnest Wilderness (where the Alfred M Bailey Bird Nesting Area is) when I came across a group of crossbills feeding on some dead but cone-rich lodgepole pines close to the trail. I've been seeking to record crossbills any chance I get, although that is admittedly not an easy task, as they are either often not close, or not cooperative. But this time, they were, at least enough so. As I was recording, Merlin surprisingly boldly flashed "Cassia Crossbill" as their identity after hearing the call notes. I was naturally a bit skeptical, although I was also feverishly wanting Merlin to be right.
After seeing Luke and Will's message this morning (I finally returned from my field season last evening), I was reminded and encouraged to inquire about whether I too had encountered Cassia Crossbills, given that I was as close to their location as I was, in space and time. Around midday today Matthew Young at Cornell confirmed that my recordings were entirely those of Cassia Crossbill.
My recordings can be heard here in the checklist:
Eric
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Eric DeFonso
Boulder County, CO