I'm impressed. This is indeed a grosbeak, a juvenile black-headed grosbeak. There were two family groups in my yard the day I made this recording, at one point 7 or 8 were making this call simultaneously.
I couldn't find the call on my Sibley app or on other on-line guides either. I checked xeno-canto there were ~6 or 7 juvenile/fledgling calls of black-headed grosbeaks posted (out of ~180 recordings). Several were described as juvenile begging calls; that seemed like what was going on in my yard. They are still around but the begging calls are diminishing.
Thanks,
Mike
On Friday, August 7, 2020 at 11:49:35 PM UTC-6 jre...@gmail.com wrote:
I concur with Tina Mitchell: Young black-headed grosbeaks in my neck of the woods make the same calls when begging to be fed. It's a plaintive, descending sound, often as a single note but usually followed by one or two quicker ascending calls and resolving on that descending note. It's like a wolf whistle, but sung sad with a one-note intro. Listen a few minutes, and the telltale squeaky "chip" of an adult arriving usually follows.I have been watching five or six juveniles in my backyard do this over the past few weeks. Until Mike's recording, I hadn't heard this call for the species on various online guides.
John Ealy
Roxborough Park, Douglas County CO
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