Woodpecker eyelid
by mille19
Woodpeckers have a 3rd eyelid called a nictitating membrane which moves across the eyeball, from front to back, to clean it and protect the eye lens from flying debris when chiseling & hammering.
Uploaded19/12/2011 - 22:07
CategoryWildlife / Nature
Unique Views / Likes0/0
Add Comment
To leave a comment - Log in to Pentax User or create a new account.


84 posts
16 years
Budapest,
Hungary
Gábor
My website