Here is a <a href="https://flic.kr/p/jTiYUb">photo of the aberrant chickadee from Bath</a> last winter that you may use. I think we all might call it leucistic or partial albino, but birds like it are probably a mutation called "Brown" according to Hein van Grouw (<a href="http://www.housesparrow.eu/pdfs/english/vanGrouwHein2006_NotEveryWhiteBirdIsAnAlbinoSenseAndNonsenseAboutColourAberrationsInBirds.pdf">2006</a>). Because this mutation is sex-linked, the bird is most likely a female. Hence we might call her Ms. Brown.
Louis Bevier
Fairfield
On Thursday, November 6, 2014 12:11:26 PM UTC-5, Bob Duchesne wrote:While we're on the subject of leucism, I have written a birding column for the Bangor Daily News about the matter, but I lack a good photo of a leucistic bird. Anybody got one they wish to volunteer?
Thanks,
Bob Duchesne
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