Hey, all.
Nick Moore got it. *Yellow-breasted chat.* The bird that can sing or say
anything--anywhere, anytime. It was, as far as I could ascertain, a typical
adult of the species. Nick also said: "Usually they start their more normal
song but Ted may well be keeping the full recording from us." It is true
that the bird eventually started to give a normal ("normal" being relative
with the the crackup, clownish chat) song, but only after a long while of
this consistent, stereotyped, down-slurred, wavering whistle.
Long ago, before the era of smartphones and small pocket recorders, I heard
a chat in Gregory Canyon, Boulder County, giving only a slowly uttered,
quite-low, monotone whistle. Was nearly certain I had a northern pygmy-owl.
But no.
About a decade later, THIS chat was at Rabbit Mountain, Boulder County:
https://www.xeno-canto.org/184929
I think you'll see (and hear) why I thought I had a rare curve-billed
thrasher. I wasn't the only one who thought that. :-)
Ted Floyd
Lafayette, Boulder County
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