If you have a woodpile, you may have come across a shed snakeskin — a translucent, onion skin-like wrapper imprinted with the snake’s scale pattern. Or perhaps you’ve seen one along a foundation or stone wall. Why do snakes shed their skin?
Most animals, including humans, shed skin cells, explained herpetologist Jim Andrews, who coordinates the Vermont Reptile and Amphibian Atlas. “The difference is that humans are continually shedding skin. Snakes shed only periodically; hence they shed the entire skin at once.”