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Nictitating membrane | by Lip Kee
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Nictitating membrane

The nictitating membrane was probably drawn over the eye as a protective reflex when the bird threw its head up while swallowing a worm. The membrane was not present in this photo a split second earlier: www.flickr.com/photos/lipkee/2767386459

 

 

Laughing Kookaburra

Dacelo novaeguineae

nominate race Dacelo novaeguineae novaeguineae

Centiennal Park, Sydney, NSW, Australia

9th. August 2008

 

690V9482

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Taken on August 9, 2008