[obol] Re: Union County, OR :' a very black-backed male' LESSER GOLDFINCH
- From: Alan Contreras <acontrer56@xxxxxxxxx>
- To: OBOL <obol@xxxxxxxxxxxxx>
- Date: Thu, 26 Jun 2014 15:20:33 -0700
There have been reports of black-backed Lessers from time to time, but I think
this is first good photo I have seen from Oregon.
I saw a bird like this in Frenchglen perhaps 20 years ago.
Alan Contreras
Eugene, Oregon
acontrer56@xxxxxxxxx
Sent from my iPhone
> On Jun 26, 2014, at 3:00 PM, "" <dmarc-noreply@xxxxxxxxxxxxx> (Redacted
> sender "AVITOURS@xxxxxxx" for DMARC) wrote:
>
> Birders -
> Yesterday (6/25, 4:30 PM), I received a call from La Grande birder,
> Michael Wiens. He had phoned to ask if the black backed subspecies of
> LESSER
> GOLDFINCH has occurred in Oregon before, and that he had a very dark-backed
> LESSER GOLDFINCH coming to his Thistle Feeder . I did not know. Marshall,
> D.B., M.G. Hunter, and A.L. Contreras, Eds. 2003. Birds of Oregon: A General
> Reference. Oregon State University Press, Corvallis, OR. pg 608, states
> that "Birds reported as 'black-backed' in se. Oregon could be C.p. psaltria
> (Texas) or a variation in hesperophila (PNW & SW), specimens would be
> necessary for confirmation. Sibley mentions that the back color of Lesser
> Goldfinch varies geographically, with virtually all adult males in southern
> Texas
> having black backs and virtually all adult males west of Colorado and New
> Mexico are gree-backed. Beadle & Rising's Tanagers, Cardinals & Finches of
> the US & Canada talk about the substantial differences between the molts
> of the two subspecies and thumbing through Pyle's Identification Guide to
> North American Birds is a bit difficult for me to follow being that I am not
> a bander and I am currently trying to gain a better understanding of molt.
>
> I ran over to Michael's house and together we took a few photos. The best
> photos can be viewed here:
> http://ebird.org/ebird/view/checklist?subID=S18918274
> In one of my other photos, white shows clearly in the tail, which may
> eliminate the black-backed subspecies. This is definitely the darkest
> back/auricular colored LESSER GOLDFINCH I have ever seen in Oregon. Anyone
> have
> any experience with dark-backed LESSER GOLDFINCHES outside of Texas?
> Good birding,
> - Trent Bray
> The Bobolink - Linking Birders & Birds
> 1707 5th Street
> La Grande, OR 97850
> (541) 963 - 2888
> avitours@xxxxxxx
>
>
>
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