Hawks, owls and the daylight problem

The rest of this hub is about a door, a latch and a wire apron - the machinery of keeping a coop shut overnight. Aerial predators break that model completely, because they arrive in the middle of the afternoon while the birds are outside doing exactly what you got them to do.

It is also the threat where the folk remedies are thickest and the physical fix is simplest. Cover the run.

Why nothing else transfers

Owls are the exception that proves the pattern: they hunt at night, so a properly latched coop handles them the way it handles everything else. It is the daytime hunters that need the structural answer.

Cover the run - the options in order

1. A solid roof. Best outcome, most cost. It also keeps the run drier, which helps with mud and with litter tracked into the coop, so it is one of the few security upgrades with a second benefit.
2. Welded mesh over the top. What the steel walk-in enclosures on this page ship with. Strong, permanent, and it stops climbers as well as fliers.
3. Aviary or garden netting. Cheapest by a wide margin and genuinely effective against birds. It sags, it needs re-tensioning, and it does not stop a raccoon that climbs - but for hawks alone it does the job.
4. Partial cover plus dense shelter. If a full cover is impossible, cover part of the run and give the flock somewhere to bolt to. A hawk needs an open approach and an open exit.

Cover that is not a roof

Free-ranging birds cannot be roofed, and the answer there is cover in the landscape sense: shrubs, a low table, a lean-to, anything a bird can get under fast. Flocks with dense cover to bolt into lose far fewer birds than flocks on open lawn, because a hawk's approach depends on an unobstructed line.

A cockerel changes the odds too - the alarm call and the watching behavior are real, and it is the traditional reason for keeping one with a free-ranging flock. Whether you can keep one is usually a zoning question rather than a husbandry one; see permits and zoning.

Why a deterrent light is no help here

Solar predator lights switch on at dusk and off at dawn, which makes them irrelevant to a bird that hunts in daylight. They are sold for coop protection and they address the night shift only - deterrent lights sets out what the published guidance says they do and do not buy you.

What does not work

• Reflective tape, old CDs, scarecrows and plastic owls. All work briefly and stop working once the bird learns nothing follows. Deterrents that depend on novelty have a short half-life.
• Noise makers, for the same reason, and they annoy neighbors long after they have stopped annoying the hawk.
• Anything that involves harming the bird. Hawks, owls and eagles are federally protected in the United States, and killing, trapping or relocating one without a permit is illegal. Exclusion is the legal answer and it is also the one that works.

The picks

Two covered steel enclosures and the mesh you would use to cover a run you already own. All three solve the same problem from different starting points.

Top pick · Shedding snow and rain off a run

VEVOR Metal Walk-In Run, Spire Roof

43 sq ft under a spire roof - the pitched cover is the reason to pick it over a flat-topped run.

What the numbers say

Published footprint43 sq ftHonest count10 hensMaker claimsno claim

78.72in x 78.72in = 43 sq ft of whole-unit footprint, which includes the attached run and is therefore generous. At 4 sq ft per standard hen that is 10 birds. The maker publishes no bird count of its own to compare against.

Figures from VEVOR published specifications (Amazon listing) · 78.72"L x 78.72"W x 78.72"H · High-carbon steel

43 sq ft in a perfect square, which is the most efficient shape for a given perimeter of frame.

The spire roof is the differentiator. Flat-covered runs pool water and collapse under wet snow; a pitched cover sheds both.

No bird count is claimed, which is correct for an enclosure.

Good

• Pitched roof sheds snow and standing water
• Square footprint is frame-efficient
• Security lock included

Not so good

• A run, not a coop
• Cover material will degrade before the frame does
• 6.5ft square is smaller than it sounds once a henhouse is inside

Skip this if: you get heavy snow loads. A spire helps, but no fabric-covered run is a substitute for a rigid roof where snow sits.

$109.90 - View on Amazon

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Pick 2 · A metal run that will not rot

GOJOOASIS Outdoor Large Metal Chicken Coop Run, 118in

32.4 sq ft of galvanized steel run, and a maker that publishes no bird count at all - which counts in its favor here.

What the numbers say

Published footprint32.4 sq ftHonest count8 hensMaker claimsno claim

118in x 39.5in = 32.4 sq ft of whole-unit footprint, which includes the attached run and is therefore generous. At 4 sq ft per standard hen that is 8 birds. The maker publishes no bird count of its own to compare against.

Figures from GOJOOASIS published specifications (Amazon listing) · 118"L x 39.5"W x 59"H · Galvanized steel frame with a UV and water-resistant cover

118 by 39.5 inches is 32.4 square feet, which is eight standard hens on the published 4 square feet a bird. The listing states no bird count of its own, so there is no claim here to fail - and on this site that is a point in a maker's favor rather than an omission.

Read the shape rather than the headline area. Thirty-nine inches of width is narrow, so the usable space is a long corridor rather than a yard, and birds use length less efficiently than they use breadth.

At 59 inches high it is a stoop rather than the crawl the older 39-inch version demanded, but it is still under five feet. Call it head-down access rather than walk-in, whatever the category name suggests.

What you are buying is the frame. Galvanized steel does not rot, hosts no mites in its end grain and needs no re-treating, which is the right material for a structure that lives outdoors permanently.

Good

• Publishes no bird count, so there is no inflated claim to correct
• Galvanized steel frame will outlast any fir coop here
• 59in height is a genuine improvement on the older 39in version
• Long enough to give birds real running distance

Not so good

• A run, not a coop - there is no henhouse and roosting is still unsolved
• 39.5in width makes it a corridor rather than a yard
• Still under five feet, so not walk-in in the sense the name implies
• The cover is the weak point and will need replacing before the frame does

Skip this if: you need somewhere for the birds to sleep. This is outdoor space and predator exclusion only - there is no insulated house in it, and the per-bird floor guidance applies to enclosed roosting space you still have to provide.

$59.99 - View on Amazon

$71.24 · 16% off

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Pick 3 · The single most important predator purchase

Amagabeli 1/2" Hardware Cloth, 48in x 100ft

Half-inch aperture, 19 gauge, hot-dipped galvanized after welding. This is the specification that actually keeps raccoons out.

What the numbers say

The manufacturer does not publish the dimensions this calculation needs, so we do not print a number.

Figures from Amagabeli published specifications (Amazon listing)

Half-inch aperture is the number that matters. A raccoon can reach through 1in mesh and a weasel walks through 1in chicken wire; half-inch stops both.

Galvanized AFTER welding, not before, is the second specification to check. Welding burns the coating off, so mesh galvanized beforehand rusts at every joint - which is exactly where it needs to hold.

19 gauge is the practical minimum for a coop perimeter. Thinner mesh sold as hardware cloth exists and bends open by hand.

Good

• Half-inch aperture excludes raccoons and weasels
• Hot-dipped galvanized after welding, so joints do not rust first
• 48in width covers most run walls in a single run

Not so good

• Cutting it is hard on the hands and on your snips
• 100ft is more than a small coop needs
• Edges are sharp and need capping or folding

Skip this if: only if you already have half-inch hardware cloth. Do not substitute chicken wire - it is a containment material, not a security one.

$109.99 - View on Amazon

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Both enclosures are runs rather than coops - there is no henhouse in either, so roosting is still yours to solve. Metal coops and runs covers what that means in practice.