You need to be certain that the bird you heard singing was a female,
(which can often only be verified with a bird in hand). It was more
likely that you had a calling male that was still in juvenile plumage.
It takes till the spring/summer of male Cassin's finches second year
before they get the red coloration.
Scott Rashid
Estes Park
On 5/5/2021 6:50 PM, John Shenot wrote:
Does anyone on this list have knowledge about or experience with
singing female Cassin's Finches? I recorded a Cassin's Finch singing
at Grandview Cemetery (Larimer) today, that appears to me to be
female. Checklist with photo and audio here:
https://ebird.org/checklist/S87201022
<https://ebird.org/checklist/S87201022>.
I'd love to know if anyone can share information about how normal or
unusual it is for a female CAFI to sing like this, OR tell me that
this female-type is not actually a female. I ask with humility: I
don't pretend to have any knowledge of this subject.
BTW: This could be, in fact probably is, the same individual bird
reported by Dave Leatherman on cobirds a couple of days ago.
Thanks,
John Shenot
Fort Collins, CO
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