Birds comparison

Barn Owl vs Snowy Owl: Key Differences Explained

The short answer

Both are owls, but they sit in different families and different climates. The barn owl has a white heart-shaped facial disc, small dark eyes, long legs and golden-buff upperparts, hunts largely by sound over farmland and grassland across much of the world, and shrieks instead of hooting. The snowy owl is a heavy Arctic bird with large yellow eyes, a rounded head and white plumage barred with dark to varying degrees, and it nests on open tundra ground.

The main difference

The barn owl is a pale, dark-eyed, heart-faced bird of the family Tytonidae, while the snowy owl is a large yellow-eyed tundra owl in Strigidae — they are relatives only at the level of the owl order.

Both are reported as the white owl seen in headlights or over a winter field, and the pair also shows how far two owls can sit apart inside a single order without being close relatives at all.

At a glance

Comparison of Barn Owl and Snowy Owl across 7 dimensions, with an interpretation of each difference.
What differs	Barn Owl	Snowy Owl	What it means
Family	Tytonidae, the barn owl family, a lineage separate from the typical owls	Strigidae, the typical owls, in the genus Bubo alongside the eagle-owls	They are owls together and little else, since the barn owl's nearest relatives are other Tyto species.
Face and eyes	A white heart-shaped facial disc with small, dark eyes	A rounded whitish face with large yellow eyes	Eye colour and disc shape settle the identification even from a poor photograph or a brief glimpse.
Plumage	Golden-buff above with fine grey speckling, white to buff below	White with dark barring that varies with age and sex, adult males the whitest	An almost entirely white owl is far more likely a snowy, because a barn owl always shows warm tones on the back.Barn owl colouring varies regionally, and some subspecies are strongly rufous or heavily marked below.
Size	Roughly 32-40 cm long and typically a few hundred grams	Roughly 52-71 cm long and often over 1.5 kg, with females larger than males	The snowy owl is several times the barn owl's mass, which is obvious once both are seen at similar range.Published measurements differ between populations and between sexes in both species.
Range and climate	Near-global across temperate and tropical regions, absent from the far north	A circumpolar Arctic breeder that moves south irregularly in some winters	Breeding ranges do not overlap, so only an irruption winter brings a snowy owl into barn owl country.
Nest site	Cavities: hollow trees, cliff holes, barns, church towers and nest boxes	A scrape on the ground, often on a raised tundra mound with a clear view	One species depends on holes and structures, the other on open ground with sightlines.
Voice	A long harsh shriek, plus hissing and bill-snapping; it does not hoot	Deep carrying hoots from displaying males, with barks, cackles and screeches	Voice alone separates them and corrects the widespread assumption that every owl hoots.

Family: Barn OwlTytonidae, the barn owl family, a lineage separate from the typical owls
Snowy OwlStrigidae, the typical owls, in the genus Bubo alongside the eagle-owls
They are owls together and little else, since the barn owl's nearest relatives are other Tyto species.
Face and eyes: Barn OwlA white heart-shaped facial disc with small, dark eyes
Snowy OwlA rounded whitish face with large yellow eyes
Eye colour and disc shape settle the identification even from a poor photograph or a brief glimpse.
Plumage: Barn OwlGolden-buff above with fine grey speckling, white to buff below
Snowy OwlWhite with dark barring that varies with age and sex, adult males the whitest
An almost entirely white owl is far more likely a snowy, because a barn owl always shows warm tones on the back.Barn owl colouring varies regionally, and some subspecies are strongly rufous or heavily marked below.
Size: Barn OwlRoughly 32-40 cm long and typically a few hundred grams
Snowy OwlRoughly 52-71 cm long and often over 1.5 kg, with females larger than males
The snowy owl is several times the barn owl's mass, which is obvious once both are seen at similar range.Published measurements differ between populations and between sexes in both species.
Range and climate: Barn OwlNear-global across temperate and tropical regions, absent from the far north
Snowy OwlA circumpolar Arctic breeder that moves south irregularly in some winters
Breeding ranges do not overlap, so only an irruption winter brings a snowy owl into barn owl country.
Nest site: Barn OwlCavities: hollow trees, cliff holes, barns, church towers and nest boxes
Snowy OwlA scrape on the ground, often on a raised tundra mound with a clear view
One species depends on holes and structures, the other on open ground with sightlines.
Voice: Barn OwlA long harsh shriek, plus hissing and bill-snapping; it does not hoot
Snowy OwlDeep carrying hoots from displaying males, with barks, cackles and screeches
Voice alone separates them and corrects the widespread assumption that every owl hoots.

How they are related

Owls form the order Strigiformes, which splits into two living families. Tytonidae holds the barn owls and bay owls, and Strigidae holds the typical owls, a far larger group including eagle-owls, scops owls and the tawny owl. The barn owl belongs to the first family and the snowy owl to the second, within the genus Bubo. They are therefore related as owls, but they are not close kin, and their skulls, faces and voices reflect that distance.

A note on naming: Barn owl populations worldwide have been split by some authorities into more than one species, so regional descriptions of size and colour may not apply everywhere.

Telling them apart

Face shape does most of the work. The barn owl's disc is a clean white heart, framing small dark eyes, above a pale body and long feathered legs, and in flight it looks ghostly and light. The snowy owl is bulky and broad-headed with piercing yellow eyes and a body ranging from almost pure white in some adult males to heavily barred in females and young birds. Feathered feet are conspicuous on the snowy owl.

Heart-shaped white face, dark eyes, golden-buff back, shrieking over a hayfield at night: barn owl. Big, round-headed, yellow-eyed, white with dark barring, sitting on open ground by day in winter: snowy owl. If you are in temperate farmland outside a rare irruption winter, a pale owl is almost certainly a barn owl; if you are on Arctic tundra, it is not.

Habitat and distribution

The barn owl is one of the most widely distributed land birds in the world, occupying farmland, grassland, marsh edge, savanna and open country on most continents, and it depends on rough grassland for hunting and cavities for nesting. The snowy owl breeds on open Arctic tundra across northern North America and Eurasia, and winters on open ground including coastal marshes, prairie, airfields and farmland when it moves south.

Diet and ecological role

Both are predators of small mammals, and both leave pellets that researchers use to reconstruct diet in detail. Barn owls take voles, mice, shrews and rats, with local composition varying by region, and their presence around farmland is often welcomed for that reason. Snowy owls depend heavily on lemmings on the breeding grounds and take a broader range of prey in winter, including waterfowl, ptarmigan, and seabirds along coasts.

Behaviour

The barn owl is largely nocturnal and hunts on slow quartering flight over rough grass, dropping onto prey located by ear. The snowy owl is active in daylight, which the round-the-clock Arctic summer sun makes unavoidable, and often hunts from a perch or a low mound. Snowy owl breeding is nomadic and tied to lemming abundance, so pairs may nest in a productive area one year and be absent the next.

Senses and adaptations

The barn owl has among the most acute directional hearing measured in any bird, with ear openings set at different heights so that sound arrives at each with a slight difference the brain reads as elevation, and a facial disc that gathers sound like a dish. Both species fly quietly thanks to comb-like leading edges and velvety feather surfaces. The snowy owl adds dense insulation and heavily feathered feet for Arctic conditions.

More on this topic: Animal senses and adaptations.

Lifespan and life stages

Barn owls have high first-year mortality, and typical wild lifespans are short, though ringing recoveries include birds substantially older and captive individuals older still. Snowy owl longevity in the wild is less well documented, since the birds are nomadic and hard to follow, but ringed individuals have been recorded years after marking. In both species, published averages reflect heavy early losses rather than the age a surviving adult can reach.

People and these animals

Barn owls have lived alongside farming for centuries, nesting in barns, ruins and church towers, and nest box schemes have supported populations where old buildings and hollow trees have disappeared. Road collisions and secondary exposure to rodenticides are ongoing concerns. Snowy owls are a birding spectacle during irruption winters, which draws crowds that can disturb resting birds, and airports sometimes relocate individuals attracted to open runway ground.

Keeping them: what to understand first

Neither is a pet, and the popularity of owls in fiction has caused real harm where it has driven demand. Both are protected wild birds in most jurisdictions, keeping them usually requires licences, and captive owls in falconry or education work are managed by trained handlers with veterinary support. Injured wild owls should go to licensed rehabilitators. Any decision about an animal in someone's care belongs with a qualified veterinarian and the relevant authority.

Conservation context

The barn owl remains widespread globally, but regional declines have been recorded where grassland has been lost, and local trends can differ sharply from the global picture. The snowy owl has been reassessed in recent years as monitoring showed the breeding population smaller and more variable than earlier estimates suggested, complicated by nomadic breeding that makes counting difficult. Both are affected by prey cycles and by land use rather than by direct persecution in most places.

The snowy owl assessment has been revised as monitoring improved, and barn owl trends differ regionally. Check the current IUCN Red List entry rather than an older category.

What they have in common

Both are owls with forward-facing eyes, a facial disc and near-silent flight.
Both hunt small mammals and both produce pellets that reveal their diet.
Both nest without building elaborate structures, using cavities or bare ground.
Both show females larger than males, a common pattern among raptorial birds.

Key differences

The barn owl belongs to Tytonidae; the snowy owl to Strigidae.
Barn owl eyes are dark and small, while snowy owl eyes are large and yellow.
The barn owl has a heart-shaped disc, whereas the snowy owl's face is rounded.
The snowy owl breeds on Arctic tundra; the barn owl avoids the far north entirely.
The barn owl shrieks and does not hoot, unlike the deep-hooting snowy owl.

Where people go wrong

Assuming every owl hoots, when the barn owl shrieks instead.
Treating any pale or whitish owl in temperate farmland as a snowy owl.
Believing the two are close relatives because both are owls.

Frequently asked questions

Do barn owls hoot the way snowy owls do?

No. The barn owl does not hoot at all: its main call is a long harsh shriek, and it also hisses and snaps its bill when disturbed at the nest. Snowy owl males give deep, far-carrying hoots during display, along with barks and cackles. Assuming that every owl hoots is one of the most common reasons a barn owl at night is misidentified as something else entirely.

Why do snowy owls appear far south of the Arctic in some winters?

These movements are called irruptions and are linked to prey cycles on the breeding grounds. A strong lemming year can produce many young owls, and the following winter more birds move south in search of food. Numbers and destinations differ from year to year, so an area may host several snowy owls one winter and none for several years afterwards.

Are barn owls and snowy owls in the same family?

No. They share the order Strigiformes but sit in separate families: the barn owl in Tytonidae and the snowy owl in Strigidae, the typical owls, where its closest relatives are the eagle-owls. The heart-shaped disc, dark eyes and long legs of the barn owl reflect that separate lineage, and its nearest relatives worldwide are other Tyto species rather than any Bubo owl.

Is a pale owl seen in a barn likely to be a snowy owl?

Almost never. Snowy owls nest and hunt on open ground and rarely enter buildings, while barn owls are cavity nesters that use barns, ruins and towers as a matter of routine. A pale owl inside a farm building in temperate country is overwhelmingly likely to be a barn owl, and the dark eyes and heart-shaped face confirm it if the bird can be seen clearly.

Why does the snowy owl hunt in daylight when barn owls hunt at night?

Arctic summers have continuous daylight, so a tundra breeder that waited for darkness would not eat. Snowy owls are therefore active by day and often hunt from perches with a wide view. Barn owls live where nights are reliable and specialise in locating prey by sound in near-total darkness, which is why their hearing and facial disc are so highly developed.

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Sources and methodology

How this comparison is built: FaunaHub comparisons are assembled from the sourced animal profiles behind them rather than written as standalone claims. Figures such as size, mass, and lifespan are typical ranges that vary by subspecies, population, region, sex, age, and — where relevant — whether an animal lives in the wild or under human care, so they are presented as ranges rather than fixed values. Where a common name covers a group rather than a single species, the page says so instead of implying a species-to-species match. Conservation status changes over time and should be confirmed against the current IUCN Red List. Dimensions that could not be supported from the underlying profiles are omitted rather than filled in.

What this page does not do: it does not rank the two animals, predict the outcome of a confrontation, or present either one as stronger, smarter, or better. It is not veterinary, medical, first-aid, handling, capture, hunting, or pest-control guidance. For an animal in your care, or any situation involving injury, contact a qualified veterinarian, your local wildlife authority, or emergency services.

Sources and further reading

Authoritative references used for general educational context. External links open in a new tab. These sources do not endorse FaunaHub.

UniversityAnimal Diversity Web — Tyto alba (barn owl) — University of Michigan species account
ReferenceBritannica — Barn owl (Tyto alba) — Editor-reviewed encyclopedia entry
Wildlife referenceIUCN Red List of Threatened Species — Authoritative source for current conservation status
UniversityAnimal Diversity Web — Bubo scandiacus (snowy owl) — University of Michigan species account
UniversityCornell Lab of Ornithology — All About Birds — Cornell University ornithology reference for bird species
Wildlife referenceNational Audubon Society — Bird Guide — Bird identification and conservation reference

Last updated: 2026-08-04