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One clear one to see under water and another to completely close their eyes.
They have one pair of eyes, with two pairs of eyelids: one regular pair, and an inner eyelid that is transparent called a nictitating membrane, used to protect their eyes when underwater. Sometimes it will be said that they have three eyelids, because you can count the regular eyelids as two, top and bottom, and the nictitating membrane as number three.
What else can I help you with?
How many pairs of eyelids do ducks have?
they have three eyelids i read in a real book about ducks
Do taipans have eyelids?
no they dont have eyelids
How many meters long is a bee?
Not even 1 unless it's a giant bee
How many legs does a bee have?
Like all insects, a bee has six legs.Six
Which animals have no eyelids?
Fishes have no eyelids as the water in which they live bathes them.insects
When bee opens their eyes?
Bees don't have eyelids, so their eyes can never be closed.
How many eyelids do frogs have?
3 eyelids
How many eyelids do dogs have?
Dogs actually have 3 eyelids.
How many layers of eyelids does a frog have?
3 eyelids
How many eyelids do ducks have?
they have 3 eyelids. Snapple Fact #762
How many pages does Your Eyelids Are Growing Heavy have?
Your Eyelids Are Growing Heavy has 187 pages.
How many eyelids do human have?
Two eyes, two eyelids. Four. We have two eyelids and the other two eyelids are small pink nictitating membranes that reside in the inner corner of our eyes.
How many eyelids does a frog have?
three
How many eyelids do sheep have?
6
How many eyelids do sharks have?
Three
How many times does a snake closes its eyelids in a minute?
A snake does not have eyelids so it cant close its eyes .
How many pairs of eyelids do ducks have?
they have three eyelids i read in a real book about ducks
