A lightweight Mediterranean breed famous as the world's premier white-egg layer, energetic, hardy, and exceptionally feed-efficient. The white Leghorn underpins most commercial laying strains.
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From the minimum an animal needs to be kept humanely, up to the ideal setup. Bigger is almost always better — minimums are floors, not targets.
Minimum
Tall coop + fenced run
3 sq ft coop + 10 sq ft run / bird
Leghorns are light, athletic Mediterranean layers that fly well, roost high, and forage tirelessly. A welfare minimum is 3 sq ft of coop and 10 sq ft of covered run per bird, with high roost bars (≥ 4 ft), one nest box per 4 hens, grit, calcium, clean water, and 6 ft fencing or a roofed run.
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Recommended
Tall coop + roomy run
4 sq ft coop + 15 sq ft run / bird
A taller coop with 4 sq ft per bird and a 15+ sq ft per bird tall-fenced run lets Leghorns express their natural foraging and flying. Industry-standard white-egg layers (280+ eggs/yr) — frugal feeders, heat-tolerant, but flighty and not cuddly. Group with similarly active breeds.
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Ideal
Free-range pasture flock
6 sq ft coop + free-range / rotated pasture
A 6 sq ft per bird coop with all-day rotated pasture is the welfare ideal for this ancient Italian breed. Provide overhead cover against hawks, a draught-free winter coop, and varied forage — Leghorns self-harvest a large share of their diet and remain laying for 4+ years on this standard.
Life & growth stages
How this animal changes through its life — each stage often has its own care, diet and space needs.
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Egg
Birds develop inside a hard-shelled egg incubated by the parent(s). Egg size, shell color, and clutch size vary by species; the embryo develops over days to weeks before hatching.
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Hatchling / Chick
Hatchlings are either altricial — naked, blind, and dependent on parents (typical of parrots and songbirds) — or precocial — downy, mobile, and self-feeding soon after hatching (typical of poultry and waterfowl). Down gives way to the first feathers.
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Juvenile / Fledgling
Fledglings grow in their juvenile plumage and begin to fly and feed themselves, though they may still beg from parents at first. Juvenile feathering is often duller than the adult and is replaced as the bird matures.
Adult
Adults attain full body size and mature plumage, and are capable of breeding. Many species show distinct adult coloration, and in sexually dimorphic birds males and females differ in plumage, size, or markings.
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Color & pattern variants
Natural variants occur in the wild; selectively bred (man-made) variants were developed in captivity.
Provide a secure, well-ventilated coop with roughly 0.4 m² (4 sq ft) of floor space per bird plus a roomy run of 0.9 m² (10 sq ft) or more per bird; they thrive with free-range access. Leghorns are agile, light-bodied fliers, so fence runs at least 1.8 m (6 ft) high or net the top, and clip one wing if needed. They tolerate heat well thanks to large combs but the big single comb is frostbite-prone — insulate and ventilate (without draughts) in cold climates and apply petroleum jelly to combs in hard freezes.
Diet
Feed a balanced layer ration of 16–18% protein once in lay, with constant access to oyster-shell grit for calcium and insoluble grit if ranging. Their high output relative to body weight makes consistent nutrition important; supplement with greens and forage. Always provide clean, unfrozen water — laying hens drink heavily.
Behavior & temperament
Purpose: egg layer (white eggs), 280–320+ per year. Active, alert, and flighty rather than cuddly — excellent foragers that dislike confinement and can be noisy and nervous around handlers. Rarely go broody (broodiness was bred out for production), so they seldom hatch their own chicks. Calm handling from chick age improves tameness.
Health
Generally robust and disease-resistant with few breed-specific defects. The oversized single comb is vulnerable to frostbite in cold regions (rose-comb lines mitigate this). High lay rates can predispose hens to reproductive issues such as egg binding, prolapse, and ovarian/oviduct problems in later life; ensure adequate calcium and avoid forcing production with artificial lighting in young pullets.
Tips, DIY & hacks
Choose rose-comb strains for cold climates to avoid frostbite. Because they're flighty, handle chicks often and move slowly to build trust. Provide enrichment and space to curb feather-pecking driven by their high energy. If you want a broody to raise chicks, you'll likely need an incubator or a different breed — Leghorns almost never sit. White earlobes correlate with white eggshells.
