so they can see better
To help them move over hot surfaces.
No, snakes do not have eyelids. Instead, they have a transparent scale over their eyes called a spectacle, which helps protect their eyes.
Snakes do not have eyelids like humans do. Instead, they have a transparent scale over their eyes called a spectacle. This spectacle helps protect their eyes from dust and debris while allowing them to see clearly.
Not their entire eyes - but ... There is a transparent, protective covering over the snakes eyes - called the 'brille' It is discarded with the old skin each time the snake sheds - as it develops a new one with the creation of the new skin
Snakes do not have eyelids like mammals, so they cannot physically close their eyes. Instead, their eyes are protected by a transparent scale called a spectacle, which covers and lubricates the eye to keep it moist and prevent damage.
Possibly - When snakes shed, their eyes cloud over making it hard for them to see - therefore they get defensive and more aggressive.
No snakes have eyelids as such. They have a clear membrane over the eyeball called the 'Brille' - it is discarded each time the snake sheds, and a new one is formed with the new skin. See related link for a better description.
Snakes do not have eyelids because they have evolved to have a protective layer called a spectacle or brille over their eyes. This clear scale helps keep their eyes moist and protected without the need for traditional eyelids.
Fiddler crabs have clear scales over their eyes, but they do not have eye lids that move like we do.
The idiom is referencing a snake -- when they shed skin, the scales over their eyes turn cloudy and they can't see well until it sheds off. When the scales fall off, their vision returns. When the scales fall from your eyes, suddenly you see the truth.
Some adaptations they make are being able to smell things with their tongues, hard skin to protect their eyes, and scales to protect them. Their bodies are often camouflaged to hide from predators.
Snakes sleep with their eyes open because they dont have any eyelids. Their eyes are covered by a clear scale called a spectacle. You can see this when your snake sheds its skin. Some scientists believe that snakes went through a period in their evolution when they were underground and lost their eyes compeletly. That may be why snake eyes have a very different structure than any other kind of animal. they dont have eyelids..but they still sleep..you can tell by looking at the eye..if its like a very thin line in the middle..they're asleep.. make sure u wake them up 1st by tapping the cage before picking it up..they get aggresive when u shock themBecause the have no closable eye-lids. They have a clear lens over the eye-ball - called the 'brille'