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Side-by-Side Comparison

السمة	Marsh Owl	Snowy Owl
الاسم العلمي	Asio capensis	Bubo scandiacus
الرتبة	Strigiformes	Strigiformes
الفصيلة	Strigidae	Strigidae
حالة الحفاظ	Least Concern	Vulnerable
الطول	—	63,0 cm (24.8 in)
طول الجناح	56,6 cm (22.3 in)	145,0 cm (57.1 in)
الوزن	313,6666666666667 g (11.06 oz)	2100,0 g (74.08 oz)
النظام الغذائي	--	Primarily lemmings on the breeding grounds, where a pair may consume over 1,500 per year. …
عدد البيض في الوضع	2-3	3-14
Population Trend	—	—

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Size Comparison

Body Length

Marsh Owl —

Snowy Owl 63,0 cm

طول الجناح

Marsh Owl 56,6 cm

Snowy Owl 145,0 cm

الوزن

Marsh Owl 313,6666666666667 g

Snowy Owl 2100,0 g

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Habitat Comparison

الموائل المشتركة

🌿 Wetland 🌾 Grassland 🏖️ Coastal

Marsh Owl only

بلا

Snowy Owl only

بلا

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

Marsh Owl

Snowy Owl

الغناء

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

Marsh 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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حالة الحفاظ

Least Concern

Marsh Owl

Vulnerable

Snowy Owl

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How to Tell Them Apart

Marsh Owl

Snowy Owl

الريش

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

المنقار

Dark hooked bill mostly hidden by dense facial feathering

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About These Birds

Marsh 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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