Found a Snake Skin? Here Is What It Means and What to Do

You're cleaning out the garage, pulling things from under the deck, or poking around in the attic — and you find it: a translucent, papery tube that used to be a snake's outer layer.

Finding a shed snake skin is more significant than most people realize. It's not just a sign that a snake passed through. It's evidence that a snake has been living in or around that location long enough to complete a full shed cycle — which means it's been there for weeks, possibly months.

Here's what you need to know.

Snakes shed their skin — a process called ecdysis — because their outer layer doesn't grow with them. As a snake grows, the old skin becomes too tight and must be replaced. Most snakes shed several times per year, with younger, faster-growing snakes shedding more frequently than adults.

The shed skin is the snake's entire outer layer, including the eye coverings. A complete shed looks like a deflated, inside-out version of the snake — you can often see the scale pattern and even the eye impressions.

A shed skin can give you useful information about the snake that left it:

The skin will be somewhat longer than the snake itself (skin stretches during shedding), but it gives you a reasonable estimate of the snake's size. A skin that's 4 feet long indicates a substantial snake.

While shed skins lose their color, the scale pattern is preserved. A few things to look for:

• Scale texture: Keeled scales (with a ridge down the center) suggest a rat snake, water snake, or hognose. Smooth scales suggest a racer or king snake.
• Head shape impression: A wide, triangular head impression suggests a pit viper (copperhead, cottonmouth, or rattlesnake). A narrow, rounded head suggests a non-venomous species.
• Rattle: If there's a rattle attached, you have a rattlesnake skin.

A fresh shed skin is pliable and slightly moist. An old skin is dry, brittle, and may be fragmentary. Fresh skin means the snake shed recently and is likely still in the area.

Once you've found a shed skin, the snake is almost certainly still nearby. Snakes don't travel far between sheds, and they tend to use the same sheltered areas repeatedly.

Search these locations:

In the attic:

• Along the rafters and joists
• Near insulation batts (rat snakes love to burrow into insulation)
• Around any gaps where pipes or wires enter
• In corners and along the eaves

In the crawlspace:

• Under the vapor barrier
• Along foundation walls
• Near HVAC ducts and plumbing
• Around vents and access doors

In the garage:

• Behind stored boxes and equipment
• Under workbenches
• In wall gaps and corners
• Near the water heater or furnace

Outside:

• Under decks and porches
• In wood piles and brush piles
• Under flat rocks and landscaping timbers
• In dense ground cover near the foundation

In Middle Tennessee, the snake most likely to leave a shed skin in your attic, crawlspace, or garage is the gray rat snake (Pantherophis spiloides). These are large, non-venomous constrictors that are excellent climbers and can reach lengths of 4–6 feet.

Gray rat snakes are in your home for one reason: rodents. They follow mice and rats into attics and crawlspaces and may live there for extended periods. While they're harmless to humans, their presence indicates a rodent problem that needs to be addressed.

Learn more about gray rat snakes and how to identify them.

It's possible, though less common. Copperheads occasionally enter crawlspaces and garages, and cottonmouths may be found in basements or crawlspaces near water. If the shed skin shows a wide, triangular head impression, treat the situation as potentially venomous and call a professional.

1. Don't ignore it. A shed skin is not a historical artifact — it's a current indicator of snake activity.
2. Search the area carefully using the location guide above. Use a flashlight and look in all the dark corners and gaps.
3. Don't reach into spaces you can't see. Use a long tool to probe before putting your hand anywhere.
4. If you find the snake, keep your distance and call a professional.
5. If you don't find the snake, call a professional anyway. A trained technician can do a thorough inspection and identify how the snake is getting in.

Once the snake is removed, the next step is exclusion — sealing the entry points that allowed it in. Common entry points include:

• Foundation cracks and gaps
• Gaps around pipes and conduit
• Damaged crawlspace vents
• Gaps under doors and around door frames

Nashville Snake Removal can inspect your property, remove any snakes present, and seal entry points to prevent recurrence. We also address the underlying rodent issues that attract snakes in the first place.

Call (615) 613-5992 — we're available 24/7 across Nashville and surrounding counties.