Snowy Owl vs Papuan Hawk-owl

Bubo scandiacus so với Uroglaux dimorpha

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Side-by-Side Comparison

Thuộc Tính Snowy Owl Papuan Hawk-owl
Tên Khoa Học Bubo scandiacus Uroglaux dimorpha
Bộ Strigiformes Strigiformes
Họ Strigidae Strigidae
Tình Trạng Bảo Tồn Vulnerable Least Concern
Chiều Dài 63,0 cm (24.8 in)
Chiều Dài Sải Cánh 145,0 cm (57.1 in) 41,7 cm (16.4 in)
Khối Lượng 2100,0 g (74.08 oz) 220,0 g (7.76 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
Snowy Owl 63,0 cm
Papuan Hawk-owl
Chiều Dài Sải Cánh
Snowy Owl 145,0 cm
Papuan Hawk-owl 41,7 cm
Khối Lượng
Snowy Owl 2100,0 g
Papuan Hawk-owl 220,0 g
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Habitat Comparison

Môi Trường Sống Chung

Không

Snowy Owl only

Papuan Hawk-owl only

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

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.

Papuan Hawk-owl

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Geographic Range & Migration

Snowy Owl

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

Papuan Hawk-owl

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Tình Trạng Bảo Tồn

Vulnerable

Snowy Owl

Least Concern

Papuan Hawk-owl

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How to Tell Them Apart

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

Papuan Hawk-owl

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About These Birds

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

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