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Side-by-Side Comparison

Atributo	Sula Scops-owl	Snowy Owl
Nome científico	Otus sulaensis	Bubo scandiacus
Ordem	Strigiformes	Strigiformes
Família	Strigidae	Strigidae
Estado de conservação	Near Threatened	Vulnerable
Comprimento	—	63,0 cm (24.8 in)
Envergadura	31,5 cm (12.4 in)	145,0 cm (57.1 in)
Peso	88,0 g (3.10 oz)	2100,0 g (74.08 oz)
Dieta	--	Primarily lemmings on the breeding grounds, where a pair may consume over 1,500 per year. …
Tamanho da postura	--	3-14
Population Trend	—	—

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Size Comparison

Body Length

Sula Scops-owl —

Snowy Owl 63,0 cm

Envergadura

Sula Scops-owl 31,5 cm

Snowy Owl 145,0 cm

Peso

Sula Scops-owl 88,0 g

Snowy Owl 2100,0 g

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Habitat Comparison

Habitats partilhados

🌿 Wetland

Sula Scops-owl only

🌲 Forest

Snowy Owl only

🌾 Grassland 🏖️ Coastal

Snowy Owl

Arctic tundra for breeding. Winters in open habitats resembling tundra, including prairies, airports, shorelines, and agricultural fields.

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Song & Call Comparison

Sula Scops-owl

Snowy Owl

Canto

Male gives a deep booming hoot 'hooooo' and a rising 'hoo-hoo' series. Also barks sharply when alarmed. Quieter than many owls; silent during long Arctic winter hunts.

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Geographic Range & Migration

Sula Scops-owl

Snowy Owl

Circumpolar Arctic for breeding. Irruptive winter movements bring birds south to the northern United States, Europe, and Asia.

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Estado de conservação

Near Threatened

Sula Scops-owl

Vulnerable

Snowy Owl

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How to Tell Them Apart

Sula Scops-owl

Snowy Owl

Plumagem

Adult males are almost entirely white. Females and immatures have dark brown barring and spotting. Yellow eyes and fully feathered feet.

Bico

Dark hooked bill mostly hidden by dense facial feathering

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About These Birds

Sula Scops-owl

Snowy Owl

The snowy owl is the heaviest North American owl and one of the most charismatic Arctic birds. Unlike most owls, it is largely diurnal, necessitated by the continuous daylight of Arctic summers. Snowy owl irruptions — periodic mass southward movements — are tied to lemming population cycles.

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Related Comparisons

Great Horned Owl vs Snowy Owl

same-family

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