Mar 16 2017

The Third Eyelid

Published by at 7:15 am under Bird Anatomy

Great horned owl blinking its thrid eyelid (photo by Chuck Tague)

Great horned owl blinking its thrid eyelid (photo by Chuck Tague)

Did you know that birds have three eyelids?

Did you know they can see through the third eyelid, at least a little, because it’s transparent or translucent?

Read more about this fascinating and useful part of bird anatomy in this vintage article from 2010:

Anatomy: Nictitating Membrane

 

(photo by Chuck Tague)

2 responses so far

2 Responses to “The Third Eyelid”

  1. Kurton 16 Mar 2017 at 5:03 pm

    Which species of tree did the Hays eagles pick for their new nest?

  2. Kate St. Johnon 16 Mar 2017 at 5:50 pm

    Kurt, they chose a sycamore. (I think)

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