オウギワシ vs House Sparrow
Harpia harpyja 比較対象 Passer domesticus
Side-by-Side Comparison
| 属性 | オウギワシ | House Sparrow |
|---|---|---|
| 学名 | Harpia harpyja | Passer domesticus |
| 目 | Accipitriformes | Passeriformes |
| 科 | Accipitridae | Passeridae |
| 保全状況 | Vulnerable | Least Concern |
| 体長 | 100.0 cm (39.4 in) | 16.0 cm (6.3 in) |
| 翼開長 | 200.0 cm (78.7 in) | 25.0 cm (9.8 in) |
| 体重 | 7500.0 g (264.55 oz) | 30.0 g (1.06 oz) |
| 食性 | Arboreal mammals including sloths, monkeys, and opossums, which make up over 70% of the diet. … | Primarily seeds and grains, supplemented with insects during breeding season. Readily exploits human food scraps … |
| 一腹卵数 | 2-3 | 1-8 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
オウギワシ
Tropical lowland rainforests, requiring large tracts of continuous forest with tall emergent trees for nesting.
House Sparrow
Closely associated with human habitation. Found in cities, towns, farms, and any built environment. Rarely found far from people.
Song & Call Comparison
オウギワシ
Rarely heard; emits mournful whistled screams 'wheee-oo' and low croaking grunts near the nest. Vocalizations poorly documented given its remote Amazonian habitat.
House Sparrow
Monotonous series of chirping 'cheep' and 'chirrup' notes. Male gives 'chilp' song repeatedly. Flocks produce constant chirping chatter. No melodic song; purely functional calls.
Geographic Range & Migration
オウギワシ
Central and South America from southern Mexico through Brazil and northern Argentina. Range is shrinking due to deforestation.
House Sparrow
Native to Europe, Asia, and North Africa. Introduced to every continent except Antarctica, making it the most widely distributed wild bird.
保全状況
オウギワシ
House Sparrow
How to Tell Them Apart
オウギワシ
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.
Massive dark hooked bill, one of the largest of any eagle
House Sparrow
Males have grey crowns, chestnut napes, black bibs, and streaked brown backs. Females and juveniles are plain buffy-brown with a pale eyebrow stripe.
Short, stout, conical bill — black in breeding males, yellowish in non-breeding
About These Birds
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。
House Sparrow
スズメは人間の居住地に最も密接に関連する鳥の一つで、世界で最も広く分布する鳥種の一つ。原産地はヨーロッパ・アジアだが、人間とともに世界中に持ち込まれた。