> Thanks for you observations. Would the fact that the Idaho bird is 1st
> winter and the Renton bird 2nd winter account for the contrast you
> note?

No, if anything a 2nd winter bird should have just as much contrast as
a 1st winter. The adult feathers don't really start to show until the
bird comes into 3rd winter plumage.

Stuart
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Stuart MacKay, Seattle, WA, USA