Owls have three eyelids! The upper eyelid closes down when the owl blinks.The lower eyelid closes up when the owl sleeps. The third eyelid is called a nictitating membrane, which is a thin…
Owls have three eyelids! The upper eyelid closes down when the owl blinks.The lower eyelid closes up when the owl sleeps. The third eyelid is called a nictitating membrane, which is a thin…