イヌワシ vs オウギワシ
Aquila chrysaetos 比較対象 Harpia harpyja
Side-by-Side Comparison
| 属性 | イヌワシ | オウギワシ |
|---|---|---|
| 学名 | Aquila chrysaetos | Harpia harpyja |
| 目 | Accipitriformes | Accipitriformes |
| 科 | Accipitridae | Accipitridae |
| 保全状況 | Least Concern | Vulnerable |
| 体長 | 81.0 cm (31.9 in) | 100.0 cm (39.4 in) |
| 翼開長 | 212.0 cm (83.5 in) | 200.0 cm (78.7 in) |
| 体重 | 4050.0 g (142.86 oz) | 7500.0 g (264.55 oz) |
| 食性 | Mammals including rabbits, hares, ground squirrels, and marmots. Also takes birds, reptiles, and carrion. Hunts … | Arboreal mammals including sloths, monkeys, and opossums, which make up over 70% of the diet. … |
| 一腹卵数 | 1-3 | 2-3 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
イヌワシ
Open and semi-open country including mountains, hills, and tundra. Prefers areas with cliffs or large trees for nesting and open terrain for hunting.
オウギワシ
Tropical lowland rainforests, requiring large tracts of continuous forest with tall emergent trees for nesting.
Song & Call Comparison
イヌワシ
Mostly silent; emits a thin, high-pitched whistle 'kee-kee-kee' near the eyrie. Also gives low barking 'yak-yak' and mewing calls. Far less vocal than its size suggests.
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.
Geographic Range & Migration
イヌワシ
Holarctic distribution across North America, Europe, North Africa, and Asia. The most widely distributed eagle species.
オウギワシ
Central and South America from southern Mexico through Brazil and northern Argentina. Range is shrinking due to deforestation.
保全状況
イヌワシ
オウギワシ
How to Tell Them Apart
イヌワシ
Dark brown overall with a golden-bronze sheen on the nape and crown. Juveniles show distinct white patches at the base of the tail and in the wings.
Dark horn-colored hooked bill with a yellow cere
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
Key Differences
- • Weight: Golden Eagle (4050g) vs Harpy Eagle (7500g)
- • Length: Golden Eagle (81 cm) vs Harpy Eagle (100 cm)
- • Wingspan: Golden Eagle (212 cm) vs Harpy Eagle (200 cm)
- • Conservation: Golden Eagle (Least Concern) vs Harpy Eagle (Vulnerable)
- • Habitat: Golden Eagle prefers Open and semi-open country including mountains, hills, and t; Harpy Eagle prefers Tropical lowland rainforests, requiring large tracts of cont
About These Birds
イヌワシ
The golden eagle is one of the most powerful and agile raptors in the Northern Hemisphere. Revered by many cultures, it has been used in falconry for centuries, particularly by Kazakh eagle hunters of Central Asia. Golden eagles can dive at speeds exceeding 240 km/h when pursuing prey.
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。