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Side-by-Side Comparison

속성	Bare-shanked Screech-owl	Snowy Owl
학명	Megascops clarkii	Bubo scandiacus
목	Strigiformes	Strigiformes
과	Strigidae	Strigidae
보전 상태	Least Concern	Vulnerable
체장	—	63.0 cm (24.8 in)
날개 폭	36.2 cm (14.3 in)	145.0 cm (57.1 in)
체중	155.8 g (5.50 oz)	2100.0 g (74.08 oz)
식성	--	Primarily lemmings on the breeding grounds, where a pair may consume over 1,500 per year. …
산란 수	--	3-14
Population Trend	—	—

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Size Comparison

Body Length

Bare-shanked Screech-owl —

Snowy Owl 63.0 cm

날개 폭

Bare-shanked Screech-owl 36.2 cm

Snowy Owl 145.0 cm

체중

Bare-shanked Screech-owl 155.8 g

Snowy Owl 2100.0 g

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Habitat Comparison

공유 서식지

없음

Bare-shanked Screech-owl only

🌲 Forest

Snowy Owl only

🌿 Wetland 🌾 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

Bare-shanked Screech-owl

Snowy Owl

노래

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

Bare-shanked Screech-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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보전 상태

Least Concern

Bare-shanked Screech-owl

Vulnerable

Snowy Owl

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How to Tell Them Apart

Bare-shanked Screech-owl

Snowy Owl

깃털

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

부리

Dark hooked bill mostly hidden by dense facial feathering

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About These Birds

Bare-shanked Screech-owl

소형 귀가 있는 올빼미로 체장 약 19cm이며, 갈색과 회색 얼룩무늬에 노란 눈을 갖는다. 코스타리카와 파나마의 카리브 경사면 저지대 숲에 서식하는 고유종이다. 밤에 곤충을 사냥한다. 근접위협 종이다.

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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