Protecting Chickens from Predators: A Threat-by-Threat Defense Table

Q: What is the best wire for a chicken coop?

Half-inch galvanized hardware cloth. Ordinary chicken wire keeps birds in but not predators out, since raccoons reach through its one-inch gaps and weasels slip past. Hardware cloth on every opening is the foundation of a predator-proof coop.

Q: What kills chickens at night?

Most often raccoons, opossums, weasels and owls. The common thread is a coop left open or built with gaps; a locked coop clad in hardware cloth with a buried apron closes nearly every nighttime route.

Q: Are automatic chicken doors worth it?

Yes, arguably the best value in the hobby. A $50-200 door that shuts at dusk on its own removes the forgotten lockup that causes most flock massacres, and it works whether or not you are home at sundown.

Updated July 2026 · Editorial team · Topic: chickens

Protecting Chickens from Predators: A Threat-by-Threat Defense Table — Chickens

You can do everything else right — the perfect coop, the ideal flock, feed dialed in — and lose it all in a single night to something with teeth or talons. Nearly every long-time chicken keeper has a "massacre morning" story, and almost all of them trace back to the same handful of preventable gaps: the wrong wire, an open door at dusk, a dirt floor a digger walked right under. Predators aren't bad luck. They're a design problem with known fixes.

Short answer: The two upgrades that stop the most losses are half-inch hardware cloth in place of chicken wire — raccoons reach through and tear birds apart through one-inch mesh — and an automatic coop door that closes at dusk, since the single most common cause of a wipeout is a bird left unlocked after dark. Add a buried or skirted apron against diggers, and you've closed the three routes that account for most attacks.

Reviewed by the BackyardStead Lab editorial team. We publish real ROI, plain numbers and USDA/extension data so you can judge for yourself — we run the math, not a farm. Educational information only: backyard-chicken and livestock rules vary by city, home canning must follow USDA/NCHFP-tested methods (botulism risk), and mushrooms should be grown only from a known-species kit — never foraged on our word.

Know your predator, know your fix

Different predators attack in completely different ways, and a defense that stops one does nothing against another. A fence that turns a fox is useless against a hawk; a locked door means nothing to a weasel that fits through a gap the width of your finger. Match the defense to the threat:

Predator	How it attacks	Primary defense
Raccoon	Reaches through wire, works latches, attacks at night	Hardware cloth + two-step latches
Fox / coyote	Grabs free-rangers by day, digs under fences	Buried apron, secure run, supervision
Hawk / owl	Strikes from above, day and dusk	Covered run or overhead netting
Weasel / mink	Slips through tiny gaps, kills many at once	Half-inch mesh, seal all gaps
Dog	Chases and mauls, often by day	Solid fencing, secure run
Snake	Takes eggs and chicks through small holes	Half-inch hardware cloth, collect eggs
Opossum / skunk	Eggs and young at night	Locked coop, elevated nest boxes

Data note: We don't keep a flock, so this table is built from wildlife-damage and poultry extension guidance rather than our own losses. Which predators you'll actually face depends heavily on where you live — hawks pressure a suburban run, coyotes and foxes work rural edges, and raccoons are nearly everywhere in North America. Identify the killer by its method (missing heads, dug tunnels, daytime versus night) before you spend on the wrong defense.

The hardware that earns its cost

Half-inch hardware cloth, everywhere. This is the single most important material in predator-proofing. Chicken wire holds birds in but lets raccoons reach through and weasels slip past; half-inch galvanized cloth stops both. Staple or screw it over every window, vent, and run panel — the same upgrade flagged in the coop buying guide.
An automatic door. A light- or timer-triggered door ($50–200) closes the flock in at dusk even when you're not home, removing the human error behind most massacres. It's the highest-value gadget in the whole hobby.
A dig barrier. Bury hardware cloth 12 inches down around the run, or lay a two-foot skirt flat on the ground and pin it — diggers hit the wire, not soft dirt, and give up.
Electric poultry netting. For free-range flocks, a portable electrified net keeps foxes, coyotes, and dogs off during the day and moves with the birds.

Safety note — biosecurity and bird flu: The deadliest threat to a backyard flock right now isn't a raccoon — it's highly pathogenic avian influenza (HPAI), spread largely by wild waterfowl and their droppings. USDA APHIS and the CDC advise keeping feeders and waterers under cover so wild birds can't share them, preventing your flock from mixing with wild ducks and geese, and changing or cleaning footwear before entering the run. If you handle sick or dead birds, wear gloves, wash your hands thoroughly, and avoid touching your face; human infections are rare but serious. Report unusual sudden die-offs to your state veterinarian or the USDA — early reporting protects your flock and your neighbors'.

Common mistakes, in numbers

Trusting chicken wire. Its one-inch gaps let a raccoon reach a full forearm inside. Half-inch hardware cloth is the difference between a secure run and a buffet.
Relying on remembering to lock up. One forgotten dusk is all it takes. An automatic door removes the human, and the human is the weak link in nearly every night attack.
Open ground under the run. Without a buried or skirted apron, a fox or dog digs under in minutes. A 12-inch barrier stops nearly all diggers.
Ignoring the sky. An uncovered run in hawk country is an open invitation by day. Overhead netting or a covered run closes the one angle a fence can't.

FAQ

What is the best wire for a chicken coop?

Half-inch galvanized hardware cloth. Ordinary chicken wire keeps birds in but not predators out — raccoons reach through its one-inch gaps and weasels slip past. Hardware cloth on every opening is the foundation of a predator-proof coop.

What kills chickens at night?

Most often raccoons, opossums, weasels, and owls. The common thread is a coop left open or built with gaps; a locked coop clad in hardware cloth with a buried apron closes nearly every nighttime route.

Are automatic chicken doors worth it?

Yes — arguably the best value in the hobby. A $50–200 door that shuts at dusk on its own eliminates the forgotten-lockup that causes most flock massacres, and it works whether or not you're home at sundown.

How do I protect chickens from bird flu?

Practice biosecurity: keep feed and water covered so wild birds can't access them, prevent contact with wild ducks and geese, clean footwear before entering the run, and wash hands after handling birds. Report sudden unexplained die-offs to your state veterinarian or USDA APHIS.

Related:

Educational information only, not veterinary advice. BackyardStead Lab keeps no commercial flock; figures here are compiled from USDA, university extension and published poultry data. Backyard chicken laws vary by city and county, so check your local ordinances before buying birds. Costs, lay rates and egg prices vary with breed, climate, feed prices and management.