Monday, March 30, 2009

Nictitating Membrane


Nictitating Membrane
Originally uploaded by Tori Spinoso

I took this photo in March 2002. It is from a female Siberian Crane female during breeding season. The nictitating membrane is a transparent or translucent third eyelid present in some animals that can be drawn across the eye for protection and to moisten the eye while also keeping visibility (Wikipedia definition).

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