Barn Owl vs オウギワシ

Tyto alba 比較対象 Harpia harpyja

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Side-by-Side Comparison

属性 Barn Owl オウギワシ
学名 Tyto alba Harpia harpyja
Strigiformes Accipitriformes
Tytonidae Accipitridae
保全状況 Least Concern Vulnerable
体長 35.0 cm (13.8 in) 100.0 cm (39.4 in)
翼開長 90.0 cm (35.4 in) 200.0 cm (78.7 in)
体重 350.0 g (12.35 oz) 7500.0 g (264.55 oz)
食性 Almost exclusively small mammals, especially voles and mice. Hunts using extraordinary hearing to locate prey … Arboreal mammals including sloths, monkeys, and opossums, which make up over 70% of the diet. …
一腹卵数 2-16 2-3
Population Trend
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Size Comparison

Body Length
Barn Owl 35.0 cm
オウギワシ 100.0 cm
翼開長
Barn Owl 90.0 cm
オウギワシ 200.0 cm
体重
Barn Owl 350.0 g
オウギワシ 7500.0 g
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Habitat Comparison

共通生息地

Barn Owl only

オウギワシ only

None

Barn Owl

Open farmland, grasslands, and marshes. Nests in barns, church steeples, tree cavities, and purpose-built nest boxes.

オウギワシ

Tropical lowland rainforests, requiring large tracts of continuous forest with tall emergent trees for nesting.

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Song & Call Comparison

Barn Owl

さえずり

An eerie, drawn-out rasping shriek 'shreeeeee' — not a hoot. Also gives hissing, snoring, and bill-snapping when disturbed. Chicks call with a persistent rasping hunger call.

オウギワシ

さえずり

Rarely heard; emits mournful whistled screams 'wheee-oo' and low croaking grunts near the nest. Vocalizations poorly documented given its remote Amazonian habitat.

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Geographic Range & Migration

Barn Owl

The most widespread owl and one of the most widespread land birds, found on every continent except Antarctica.

オウギワシ

Central and South America from southern Mexico through Brazil and northern Argentina. Range is shrinking due to deforestation.

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保全状況

Least Concern

Barn Owl

Vulnerable

オウギワシ

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How to Tell Them Apart

Barn Owl

羽毛

Pale golden-buff upperparts with delicate grey mottling. Pure white heart-shaped face and white to pale buff underparts. Ghostly white appearance in flight.

くちばし

Pale pinkish hooked bill nearly concealed by the facial disc

オウギワシ

羽毛

Slate-black upperparts and head with a pale grey breast and white underparts with black barring. A distinctive split grey crest rises when the bird is alarmed.

くちばし

Massive dark hooked bill, one of the largest of any eagle

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About These Birds

Barn Owl

メンフクロウはあらゆるフクロウの中で最も非対称な耳を持ち、動物界最高の聴覚的方向定位能力を誇る。完全な暗闇の中でも音だけで獲物を捕まえることができる。特徴的なハート形の顔は放物線状の皿として機能し、ずれた両耳に音を集める。

オウギワシ

ハーピーワシは世界で最も強力な猛禽類の一つで、ハイイログマの爪ほどの大きさの鉤爪を持つ。パナマの国鳥。大規模な未撹乱の森林の生息地を必要とするため、森林破壊がこの種の最大の脅威。

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