Tropical Screech-owl vs Snowy Owl

Megascops choliba verglichen mit Bubo scandiacus

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Side-by-Side Comparison

Merkmal Tropical Screech-owl Snowy Owl
Wissenschaftlicher Name Megascops choliba Bubo scandiacus
Ordnung Strigiformes Strigiformes
Familie Strigidae Strigidae
Erhaltungsstatus Least Concern Vulnerable
Länge 63,0 cm (24.8 in)
Flügelspannweite 32,6 cm (12.8 in) 145,0 cm (57.1 in)
Gewicht 133,66666666666666 g (4.71 oz) 2100,0 g (74.08 oz)
Ernährung -- Primarily lemmings on the breeding grounds, where a pair may consume over 1,500 per year. …
Gelegegröße 1-4 3-14
Population Trend
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Size Comparison

Body Length
Tropical Screech-owl
Snowy Owl 63,0 cm
Flügelspannweite
Tropical Screech-owl 32,6 cm
Snowy Owl 145,0 cm
Gewicht
Tropical Screech-owl 133,66666666666666 g
Snowy Owl 2100,0 g
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Habitat Comparison

Gemeinsame Lebensräume

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Tropical Screech-owl only

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Snowy 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

Tropical Screech-owl

Snowy Owl

Gesang

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

Tropical 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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Erhaltungsstatus

Least Concern

Tropical Screech-owl

Vulnerable

Snowy Owl

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How to Tell Them Apart

Tropical Screech-owl

Snowy Owl

Gefieder

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

Schnabel

Dark hooked bill mostly hidden by dense facial feathering

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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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