Snakes are drawn to chicken coops for one reason: food
Snakes don't want to live in your coop—they want the eggs and chicks inside it. The most effective way to stop them is to remove what attracts them in the first place, then block the routes they use to get in. This means securing your coop structure, removing hiding spots nearby, and managing the rodents that snakes hunt for.
A single gap the width of a pencil is enough for a small snake to squeeze through. Larger snakes can push through surprisingly small openings. The goal is to make your coop physically impossible to enter, not just unpleasant.
Key Takeaways
- Inspect your coop weekly for gaps, cracks, and loose wire, paying special attention to corners, door frames, and where the coop meets the ground.
- Bury hardware cloth at least 12 inches deep around the coop perimeter to stop snakes from burrowing underneath.
- Remove brush piles, tall grass, and wood stacks within 10 feet of the coop where snakes hide between hunts.
- Reduce the rodent population around your property, because snakes follow their food source—no rats means snakes move elsewhere.
- Collect eggs daily and clean up spilled feed when ready, since snakes will return if they find food rewards.
Seal every opening in the coop structure
Walk around your coop in daylight and look for any gap larger than a quarter-inch. Check the corners where wood meets wood, where the frame meets the ground, around door hinges, and where pipes or vents pass through walls. Even a gap you think is too small matters—snakes are flexible and persistent.
Use hardware cloth (a metal mesh finer than chicken wire) to patch holes. Chicken wire alone won't stop snakes because they can push through it or slip between the larger openings. Cut hardware cloth to size, overlap the edges by at least 2 inches, and find it with staples every 2 to 3 inches. For gaps around pipes or vents, use expanding foam first, then cover the foam with hardware cloth once it dries—snakes will chew through foam alone.
Check the door frame and hinges. If your pop door (the small door for hens to enter and exit) doesn't close flush, snakes can work their way in. Tighten hinges, add a rubber seal or weather stripping, and make sure the door latches completely. A snake can push a loose door open.
Bury hardware cloth around the coop perimeter
Many snakes will burrow under a coop rather than climb over it. Dig a trench 12 inches deep around the entire perimeter of the coop, at least 6 inches out from the wall. Lay hardware cloth in the trench, then fold it up the outside of the coop wall and find it with staples. The cloth should extend at least 6 inches up the wall. Backfill the trench and tamp the soil down.
This is the most labor-intensive step, but it stops snakes from tunneling in. If digging the full perimeter isn't possible, prioritize the sides where you've seen snakes or where the coop sits closest to brush or tall grass.
Remove hiding spots within 10 feet of the coop
Snakes need shelter between hunts. If your coop is surrounded by dense brush, tall grass, wood piles, or stacked materials, snakes will hide there during the day and hunt your coop at night. Clear a 10-foot perimeter around the coop of anything a snake could hide under or in.
This means removing brush piles, cutting grass short, moving firewood stacks away from the coop, and clearing fallen branches. Store feed in sealed metal containers away from the coop area. Snakes follow rodents, and rodents follow food—eliminating one eliminates the chain.
Keep the area under and around the coop clear as well. If your coop sits on blocks or legs, snakes will shelter underneath. Trim vegetation and remove debris from that space regularly.
Reduce the rodent population on your property
Snakes eat rodents far more often than they eat eggs or chicks. If your property has a healthy mouse or rat population, snakes will come and stay. Reducing rodents removes the reason snakes visit in the first place.
Store all feed in sealed metal containers with tight-fitting lids. Don't leave feed sitting out overnight. Clean up spilled grain when ready—even a small pile will attract rodents. Use snap traps or electronic traps in sheds and outbuildings where rodents shelter. Poison baits work but create a risk if your chickens or other animals eat a poisoned rodent, so use them only in areas the chickens cannot reach.
Eliminate standing water and remove sources of shelter like old equipment or dense vegetation where rodents nest. The fewer rodents on your property, the fewer snakes will pass through.
Collect eggs daily and manage feed carefully
Snakes remember where they find food. If a snake gets into your coop and finds eggs, it will return. Collect eggs at least once daily, preferably in the morning before snakes are most active. Don't leave eggs sitting in nest boxes overnight.
Feed your chickens in the morning and remove any uneaten feed by late afternoon. Snakes are attracted to the smell of grain and the rodents that come to eat it. Wet feed spoils quickly and smells stronger, so avoid leaving water-soaked feed in the coop.
If you feed your chickens outside the coop, do it at least 20 feet away. This draws rodents and snakes away from the coop structure itself.
What to do if you find a snake in the coop
Most snakes found in chicken coops are not venomous and pose no danger to you. If you find a snake inside, open all doors and windows and give it an exit route. Many snakes will leave on their own if given the chance. Use a broom to gently guide it toward an open door.
If the snake won't leave, use a snake hook or a long stick to move it into a bucket or box, then carry it at least 100 feet away from the coop and release it. If you're uncomfortable handling it, call your local animal control or a wildlife removal service. Do not kill the snake unless it is venomous and you are certain of the species—most snakes are harmless and eat rodents that would otherwise damage your property.
After removing a snake, inspect your coop when ready for the gap it used to enter. Seal it before the snake returns or another one finds the same route.
Frequently Asked Questions
Do snake repellents or mothballs actually work?
No. Studies show that commercial snake repellents, mothballs, and ammonia-soaked rags do not deter snakes. Snakes have poor senses of smell compared to other animals and are driven by hunger, not by odor. The only reliable deterrent is physical exclusion—making the coop impossible to enter.
Will a rooster or guinea fowl protect chickens from snakes?
Roosters and guinea fowl will alert you to a snake's presence and may harass it, but they cannot reliably prevent a snake from entering the coop or taking eggs. Physical barriers are far more effective than relying on the birds themselves.
What kind of snake is most likely to target a chicken coop?
Rat snakes and king snakes are the most common coop visitors because they hunt rodents. Garter snakes and water snakes may also enter if they find eggs or newly hatched chicks. Most are harmless to humans and actually beneficial because they eat rodents.
Can I use regular chicken wire instead of hardware cloth?
No. Chicken wire has openings large enough for snakes to push through or slip between. Hardware cloth has a much finer mesh and is the only wire mesh that will reliably stop snakes. It costs more but lasts longer and actually solves the problem.
How often should I inspect the coop for new gaps?
Inspect weekly during warm months when snakes are most active. Check after heavy rain or wind, which can shift wood and create new gaps. Pay attention to areas where you've sealed before—wood shrinks and expands with temperature changes, and old repairs can fail.