Does a Snake Ever Close Its Eyes?

A snake can’t close its eyes because it has no eyelids. Instead of a movable lid to protect its eyeball, a snake has a hard, transparent shell over its eyes, almost like a pane of glass.

This shell protects the eye, yet doesn’t block the snake’s vision. But a snake never closes its eyes. So scientists cannot definitely determine when it sleeps or hibernates.

A snake sheds its eye covering each time it sheds its skin!

About Karen Hill

Karen Hill is a freelance writer, editor, and columnist for Born in New York, she loves interesting random facts from all over the world.