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Clay Taylor wrote:
>     It could have nothing to do with the bird - were the original gull
> images taken as slides, negatives or digital images?   If they were silver
> images converted to digital, the scanner could have made minute
adjustments
> in the overall color balance of the original (different composition, angle
> to the light, etc., could give a different "average" value to the whole)
> which shows up in the bird's leg color.


According to the main page of the site that reported the gull:
"All of the pictures  on this site were taken with a Sony Mavica digital
camera. Some with the aid of a Leica Televid APO scope with a 20x - 60x
lens."

Thanks for the thought though, Clay.

I might add that Sibley also lists "gray" as a color component of Kelp's
legs.

--
Barbara Passmore
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