Did you know that How Many Eyelids Do Ducks Have ? Well, the ducks have three eyelids & it has directly above and below their eyes. But the third eyelid of a duck situated on the inner edges of its eyes. These eyelids are clear & its work like a goggle which aim to defend the eyes against outside substances such as water. This three eyelids of a duck are help to spend a lot of time swimming.
