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Side-by-Side Comparison

属性	Bare-legged Owl	Snowy Owl
学名	Margarobyas lawrencii	Bubo scandiacus
目	Strigiformes	Strigiformes
科	Strigidae	Strigidae
保全状況	Least Concern	Vulnerable
体長	—	63.0 cm (24.8 in)
翼開長	28.8 cm (11.3 in)	145.0 cm (57.1 in)
体重	95.5 g (3.37 oz)	2100.0 g (74.08 oz)
食性	--	Primarily lemmings on the breeding grounds, where a pair may consume over 1,500 per year. …
一腹卵数	2	3-14
Population Trend	—	—

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Size Comparison

Body Length

Bare-legged Owl —

Snowy Owl 63.0 cm

翼開長

Bare-legged Owl 28.8 cm

Snowy Owl 145.0 cm

体重

Bare-legged Owl 95.5 g

Snowy Owl 2100.0 g

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Habitat Comparison

共通生息地

None

Bare-legged 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-legged Owl

Snowy Owl

さえずり

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-legged 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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保全状況

Least Concern

Bare-legged Owl

Vulnerable

Snowy Owl

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How to Tell Them Apart

Bare-legged Owl

Snowy Owl

羽毛

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

くちばし

Dark hooked bill mostly hidden by dense facial feathering

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About These Birds

Bare-legged Owl

キューバ固有の小型フクロウ、キューバコノハズク。体長20〜22cm。茶色で縞模様が特徴的。キューバの森林に生息し、昆虫や小型脊椎動物を捕食する。夜行性で樹洞に巣を作る。低危険種。

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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