Great Horned Owl vs Rufous-legged Owl

Bubo virginianus 比較対象 Strix rufipes

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Side-by-Side Comparison

属性 Great Horned Owl Rufous-legged Owl
学名 Bubo virginianus Strix rufipes
Strigiformes Strigiformes
Strigidae Strigidae
保全状況 Least Concern Least Concern
体長 55.0 cm (21.7 in)
翼開長 127.0 cm (50.0 in) 51.7 cm (20.4 in)
体重 1400.0 g (49.38 oz) 355.0 g (12.52 oz)
食性 Extremely diverse — mammals (rabbits, skunks, rodents), birds (including other raptors), reptiles, amphibians, and fish. … --
一腹卵数 1-4 1-3
Population Trend
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Size Comparison

Body Length
Great Horned Owl 55.0 cm
Rufous-legged Owl
翼開長
Great Horned Owl 127.0 cm
Rufous-legged Owl 51.7 cm
体重
Great Horned Owl 1400.0 g
Rufous-legged Owl 355.0 g
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Habitat Comparison

共通生息地

Great Horned Owl only

Rufous-legged Owl only

None

Great Horned Owl

Diverse habitats including forests, deserts, swamps, urban parks, and suburban areas. Nests in tree hollows, cliff ledges, and abandoned nests of other large birds.

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Song & Call Comparison

Great Horned Owl

さえずり

Deep, resonant 'who-who-who-who-ooo': the classic 'hoo-h'HOO-hoo-hoo' territorial duet of a mated pair. Booms at dusk. Female pitch slightly higher than male.

Rufous-legged Owl

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Geographic Range & Migration

Great Horned Owl

North and South America from subarctic Canada to Tierra del Fuego. One of the most widespread owls in the Americas.

Rufous-legged Owl

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保全状況

Least Concern

Great Horned Owl

Least Concern

Rufous-legged Owl

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How to Tell Them Apart

Great Horned Owl

羽毛

Mottled grey-brown plumage with heavy dark barring. Prominent ear tufts, yellow eyes, and a white throat patch give a fierce expression.

くちばし

Dark grey-black hooked bill almost hidden by facial disc feathers

Rufous-legged Owl

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About These Birds

Great Horned Owl

The great horned owl is the most powerful and widespread owl in the Americas, earning the nickname tiger of the sky. It is one of the earliest nesting birds, often laying eggs in January when snow still covers the ground. Great horned owls are fierce predators, regularly taking prey up to three times their own weight.

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Related Comparisons

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