The birds have a clear, third eyelid called a “nictitating membrane.” “That protects their eyes when they go into the water,” Wilson said. “They have …
Read More at Source.
Read More at Source.
Read More at Source.
Read More at Source.
Read More at Source.
Read More at Source.
Read More at Source.
Read More at Source.
Read More at Source.
Read More at Source.
Read More at Source.