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Side-by-Side Comparison

Atribut	Christmas Island Boobook	Snowy Owl
Nama Ilmiah	Ninox natalis	Bubo scandiacus
Ordo	Strigiformes	Strigiformes
Famili	Strigidae	Strigidae
Status Konservasi	Vulnerable	Vulnerable
Panjang	—	63,0 cm (24.8 in)
Rentang Sayap	38,0 cm (15.0 in)	145,0 cm (57.1 in)
Berat	172,5 g (6.08 oz)	2100,0 g (74.08 oz)
Diet	--	Primarily lemmings on the breeding grounds, where a pair may consume over 1,500 per year. …
Ukuran Sarang	2	3-14
Population Trend	—	—

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Size Comparison

Body Length

Christmas Island Boobook —

Snowy Owl 63,0 cm

Rentang Sayap

Christmas Island Boobook 38,0 cm

Snowy Owl 145,0 cm

Berat

Christmas Island Boobook 172,5 g

Snowy Owl 2100,0 g

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Habitat Comparison

Habitat Bersama

None

Christmas Island Boobook 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

Christmas Island Boobook

Snowy Owl

Kicauan

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

Christmas Island Boobook

Snowy Owl

Circumpolar Arctic for breeding. Irruptive winter movements bring birds south to the northern United States, Europe, and Asia.

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Status Konservasi

Vulnerable

Christmas Island Boobook

Vulnerable

Snowy Owl

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How to Tell Them Apart

Christmas Island Boobook

Snowy Owl

Bulu

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

Paruh

Dark hooked bill mostly hidden by dense facial feathering

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About These Birds

Christmas Island Boobook

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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