Snowy Owl vs Brown Wood-owl

Bubo scandiacus comparado con Strix leptogrammica

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Side-by-Side Comparison

Atributo Snowy Owl Brown Wood-owl
Nombre científico Bubo scandiacus Strix leptogrammica
Orden Strigiformes Strigiformes
Familia Strigidae Strigidae
Estado de conservación Vulnerable Least Concern
Longitud 63,0 cm (24.8 in)
Envergadura 145,0 cm (57.1 in) 62,6 cm (24.6 in)
Peso 2100,0 g (74.08 oz) 923,3333333333334 g (32.57 oz)
Dieta Primarily lemmings on the breeding grounds, where a pair may consume over 1,500 per year. … --
Tamaño de la puesta 3-14 1-2
Population Trend
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Size Comparison

Body Length
Snowy Owl 63,0 cm
Brown Wood-owl
Envergadura
Snowy Owl 145,0 cm
Brown Wood-owl 62,6 cm
Peso
Snowy Owl 2100,0 g
Brown Wood-owl 923,3333333333334 g
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Habitat Comparison

Hábitats compartidos

Ninguno

Snowy Owl only

Brown 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.

Brown 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.

Brown Wood-owl

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Estado de conservación

Vulnerable

Snowy Owl

Least Concern

Brown Wood-owl

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How to Tell Them Apart

Snowy Owl

Plumaje

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

Pico

Dark hooked bill mostly hidden by dense facial feathering

Brown 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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