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erythristic White-crowned Sparrow (Zonotrichia leucophrys), Tucson, Pima CountyThis White-crowned Sparrow was photographed by Elaine Padovani on 12 March 2012.
Aberrant plumages are not uncommon in birds, especially
luecism and melanism, but this White-crowned has an
excess of red pigment, a condition known as erythrism or
erythrochroism, which is much rarer. For an article by
David Sibley on abnormal coloration in birds
click here 12 March 2012, photo by Elaine Padovani All photos are copyrighted© by photographer |
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Submitted on 31 March 2012 |
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