A new theory for my mystery Mallard is far more reasonable. I believe now that it is an intersex Mallard; an elderly female which gradually looses its mottled plumage for the more splendid plumage of a male. You can see a photo of an intersex Mallard here. Intersex Mallards occur when a females estrogen decreases giving the appearance of a male.
Thanks to Warrech who suggested that it was a intersex.
Showing posts with label intersex. Show all posts
Showing posts with label intersex. Show all posts
Friday, January 28, 2011
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