On Monday, April 15, 2013 7:06:06 PM UTC-4, Philip Brody wrote:
> Reviewing photographs on Saturday afternoon, April 13 I came across one of a White-striped White-throated Sparrow with a pale almost yellow bill. In addition the breast and belly seem strange -certainly not typical. I'm also attaching the photograph of a more typical White-striped adult taken this morning,which shows the normal dark bill.
>
> Any suggestions? Just an anomaly. Perhaps a hybrid. The one shown in Sibley of a Dark-eyed Junco White-throated Sparrow hybrid has a yellow bill. Also there is, I think, of the possibility of a hybrid with a White-crowned Sparrow.
I added a photograph of a Dark-eyed Slate Colored Junco taken also on April 13 showing the birds breast which is similar to that of the possible White-throated -Junco hybrid.
On Monday, April 15, 2013 7:06:06 PM UTC-4, Philip Brody wrote:
> Reviewing photographs on Saturday afternoon, April 13 I came across one of a White-striped White-throated Sparrow with a pale almost yellow bill. In addition the breast and belly seem strange -certainly not typical. I'm also attaching the photograph of a more typical White-striped adult taken this morning,which shows the normal dark bill.
>
> Any suggestions? Just an anomaly. Perhaps a hybrid. The one shown in Sibley of a Dark-eyed Junco White-throated Sparrow hybrid has a yellow bill. Also there is, I think, of the possibility of a hybrid with a White-crowned Sparrow.
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