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Side-by-Side Comparison

속성	Balsas Screech-owl	Snowy Owl
학명	Megascops seductus	Bubo scandiacus
목	Strigiformes	Strigiformes
과	Strigidae	Strigidae
보전 상태	Least Concern	Vulnerable
체장	—	63.0 cm (24.8 in)
날개 폭	34.8 cm (13.7 in)	145.0 cm (57.1 in)
체중	160.75 g (5.67 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	1	3-14
Population Trend	—	—

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Size Comparison

Body Length

Balsas Screech-owl —

Snowy Owl 63.0 cm

날개 폭

Balsas Screech-owl 34.8 cm

Snowy Owl 145.0 cm

체중

Balsas Screech-owl 160.75 g

Snowy Owl 2100.0 g

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Habitat Comparison

공유 서식지

없음

Balsas Screech-owl only

🌲 Forest 🏜️ Desert

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

Balsas 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

Balsas 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

Balsas Screech-owl

Vulnerable

Snowy Owl

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How to Tell Them Apart

Balsas 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

Balsas Screech-owl

소형 귀가 있는 올빼미로 체장 약 22cm이며, 갈색 얼룩무늬에 독특한 울음소리를 갖는다. 멕시코 할리스코 주 해안가 관목지에 서식하는 희귀 고유종이다. 밤에 곤충과 소형 척추동물을 사냥한다. 취약한 상태이다.

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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