camel
they have three eyelids i read in a real book about ducks
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.
Yes, cats have two pairs of eyelids. The inner pair, called the third eyelid or nictitating membrane, helps protect their eyes and keep them moist.
4. Two for each eye. They have normal ones like you and I and they have set that come from the bottom of the eye if they are sick or they see an extremely bright light. if the lids from the bottom are always showing, get your cat to the vet right away.Cats have the usual setup of eyelids on each eye (the main one that moves downward and a second that moves upward), plus the 'third eyelid' common to many animals. You may confused with the myth of cats' lives (the number is either seven or nine, depending on where you are).
A name for a three-legged animal could be a "tripod."
Most likely for protection for their eyes, some tend to be delicate.
It is unknown which, if any, animal has three eyebrows, however, the camel has three eyelids. These extra lids keeps their eyes protected during sandstorms.
Dogs actually have 3 eyelids.
three
Three
With their eyes. They also have long lashes to filter out sand so they can see through mostly closed eyes during sandstorms.
they have three eyelids i read in a real book about ducks
- The camels' eyes are specially protected by three eyelids on each eye, this helps protect from howling winds which can gust sand into their eyes, the extra eyelids help protect against the blazing sun, and stops them from going blind.
Three
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.
It is said mallards have three eyelids per eye. I have never directly observed that. I have only seen one that closes from the bottom instead of from the top.
Three. They have the upper and lower lids, similar to humans. They also have a third membrane that acts as an eyelid, so to speak. The third "eyelid" moves from the outside edge to the inside edge.