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double pupil
Ive searched all over the net for this but to no avail. Does anyone know anything about the double pupil of an oystercatcher?
thanks,
Jared
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Try here and there are a few other links within the thread.
http://www.birdphotographers.net/for...ad.php?t=45547
Bill
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Thanks for pointing to the thread Bill. So Jared, we really don't have a double pupil but just an illusion of one caused by dark pigmentation of the surrounding iris.
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