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Side-by-Side Comparison

Thuộc Tính	Foothill Screech-Owl	Snowy Owl
Tên Khoa Học	Megascops roraimae	Bubo scandiacus
Bộ	Strigiformes	Strigiformes
Họ	Strigidae	Strigidae
Tình Trạng Bảo Tồn	Not Evaluated	Vulnerable
Chiều Dài	—	63,0 cm (24.8 in)
Chiều Dài Sải Cánh	—	145,0 cm (57.1 in)
Khối Lượng	114,4 g (4.04 oz)	2100,0 g (74.08 oz)
Chế Độ Ăn	--	Primarily lemmings on the breeding grounds, where a pair may consume over 1,500 per year. …
Số Trứng	--	3-14
Population Trend	—	—

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Size Comparison

Body Length

Foothill Screech-Owl —

Snowy Owl 63,0 cm

Chiều Dài Sải Cánh

Foothill Screech-Owl —

Snowy Owl 145,0 cm

Khối Lượng

Foothill Screech-Owl 114,4 g

Snowy Owl 2100,0 g

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Habitat Comparison

Môi Trường Sống Chung

Không

Foothill 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

Foothill Screech-Owl

Snowy Owl

Tiếng Hót

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

Foothill 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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Tình Trạng Bảo Tồn

Not Evaluated

Foothill Screech-Owl

Vulnerable

Snowy Owl

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How to Tell Them Apart

Foothill Screech-Owl

Snowy Owl

Bộ Lông

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

Mỏ

Dark hooked bill mostly hidden by dense facial feathering

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About These Birds

Foothill Screech-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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