An Alaskan Fisherman Was Astonished To See A Bald Eagle At The Dock And What Followed Next Leaves Him Baffled

Beautiful Eyes

These majestic birds have a special lid in their eyeballs. They have a see-through eye membrane which is known as nictitating membrane. The special feature is that these birds can close this eyelid for protection of their eyes while their main eyelid remains open.