it is believed that the true and common household beaver has clear eyelids, they adapted this so that they could see with there eyes closed. although you can see there eyelids and it looks like they are non transparent, they can see you. almost like the invisibly cloak on Harry Potter.
beavers can be very misleading. do not make friends with them. they can sometimes claw you. i learnt this the hard way. now i only have 9 fingers and permanently scared
yes so they can see
Beavers cut down only what they need to survive. They do not clear cut forests.
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.
The eyelids of all snakes are non-existent ! Instead, they have a clear scale (the 'brille') which covers the eyeball. Each time a snake sheds, this covering is replaced.
Most fish can't close their eyes. Some of them don't have any eyelids! Some special fish,+alligators, have invisible clear eyelids that help them see underwater.
Fiddler crabs have clear scales over their eyes, but they do not have eye lids that move like we do.
Most fish do not have eyelids and the ones that do have a clear membrane acting as an eyelid. Carp do not have them. So No.
no they dont have eyelids
Dogs actually have 3 eyelids.
2. One clear one, that shuts vertically, and one skin one, like us, that shuts horizontally.
3 eyelids
Yes, dinosaurs did have eyelids.