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Nictitating Eyes

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Old Wednesday 6th December 2017, 10:28   #1
BrianWH
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Nictitating Eyes

I notice the OPUS article doesn't contain many pictures to show the variation of Nictitating eyes. Here are a few of mine if you wish to use some of them. Showing both Transparent and Translucent Membranes.
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Name:	Tufted Duck showing Transparent Nictitating Membrane.jpg
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ID:	648078  Click image for larger version

Name:	Jackdaw Eye.jpg
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ID:	648079  Click image for larger version

Name:	Black Swan Nictitating Eye.jpg
Views:	54
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ID:	648080  Click image for larger version

Name:	Pheasant Ring-necked Eye.jpg
Views:	99
Size:	81.9 KB
ID:	648081  
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Last edited by BrianWH : Wednesday 6th December 2017 at 10:32.
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Old Wednesday 6th December 2017, 15:33   #2
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Try to get a Dipper's bright white nictiating membrane, too!
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Old Friday 2nd February 2018, 23:38   #3
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Here is an American Dipper from Washington State in 2008.
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