[cobirds] Re: Another bird sound quiz

Thanks for the response, everybody. Despite enthusiasm--here on COBirds, as well as over at Facebook and in my inbox--for Say phoebe, mountain bluebird, and lesser goldfinch, it is not any of those species. The mystery songster is in a bird family nobody has come close to yet. Anybody else want to chime in now? :-)

Ted Floyd
Lafayette, Boulder County

P.s. Up at Rabbit Mountain, northern Boulder County, this sunny solstice morn, June 20, Hannah Floyd and I saw a pair of brown thrashers bringing food to an apparent nest near the parking area. Didn't investigate the matter too closely, but I imagine that "apparent" nest is a real one.


On Thursday, June 18, 2020 at 7:22:39 PM UTC-6, Ted Floyd wrote:

Hey, folks. Alrighty, that last one was fun, er, "fun."

Here's a new one:

https://macaulaylibrary.org/asset/244160651

And another cut from the same bird:

https://macaulaylibrary.org/asset/244160711

You can hear several species in those two cuts, but the one I'm talking about is the slowly and rather steadily repeated whistle, falling in pitch a bit and wavering, uttered every 2-3 seconds. The bird vocalized like this for at least a minute at a time for much of the morning. Audio-recorded (and seen, so I know what it is) near the intersection of Lefthand Canyon Drive and Old Stage Road in Boulder County, yesterday, Wed., June 17.

Any takers?

Enjoy!

Ted Floyd

Lafayette, Boulder County

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