Snakes don't have eyelids, instead they have a transparent scale covering the eye called this
Spectacle
This is the name for an adult individual retaining juvenile characteristics, as seen in mudpuppies.
Paedomorphism.
This WV native is capable of "freezing" itself for the winter, then thawing out in the spring.
Wood frog
This is the name of the "third eye" some snakes and lizards have that helps them to track day-night cycles
Parietal eye
The venom of this snake is used in very early cancer therapy treatments
copperhead
This is the name of the lungless salamander family
Plethodontidae