Posted 05 January 2008 - 08:26 PM
Posted 05 January 2008 - 08:54 PM
It looks like it has some feather coloring disorder such as hypomelanism or aeumelanism. It's definitely a House Sparrow, at least got the species nailed down, but not sure which color abnormality it has as I don't have much experience with this tuff.
Posted 09 January 2008 - 08:18 PM
Posted 10 January 2008 - 09:50 AM
There was an amazing article about feather abnormalities in the Sept/Oct issue of Birding put out by the American Birding Association, I looked on their archives and they didn't have that particular article open on the web. Maybe some how you could get a hold of one?
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