Snowy Owl vs Spotted Wood-owl

Bubo scandiacus comparado com Strix seloputo

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Side-by-Side Comparison

Atributo Snowy Owl Spotted Wood-owl
Nome científico Bubo scandiacus Strix seloputo
Ordem Strigiformes Strigiformes
Família Strigidae Strigidae
Estado de conservação Vulnerable Least Concern
Comprimento 63,0 cm (24.8 in)
Envergadura 145,0 cm (57.1 in) 70,9 cm (27.9 in)
Peso 2100,0 g (74.08 oz) 1011,0 g (35.66 oz)
Dieta Primarily lemmings on the breeding grounds, where a pair may consume over 1,500 per year. … --
Tamanho da postura 3-14 2-3
Population Trend
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Size Comparison

Body Length
Snowy Owl 63,0 cm
Spotted Wood-owl
Envergadura
Snowy Owl 145,0 cm
Spotted Wood-owl 70,9 cm
Peso
Snowy Owl 2100,0 g
Spotted Wood-owl 1011,0 g
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Habitat Comparison

Habitats partilhados

Snowy Owl only

Spotted Wood-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

Canto

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.

Spotted Wood-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.

Spotted Wood-owl

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Estado de conservação

Vulnerable

Snowy Owl

Least Concern

Spotted Wood-owl

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How to Tell Them Apart

Snowy Owl

Plumagem

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

Bico

Dark hooked bill mostly hidden by dense facial feathering

Spotted Wood-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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