オウギワシ vs オジロワシ
Harpia harpyja 比較対象 Haliaeetus albicilla
Side-by-Side Comparison
| 属性 | オウギワシ | オジロワシ |
|---|---|---|
| 学名 | Harpia harpyja | Haliaeetus albicilla |
| 目 | Accipitriformes | Accipitriformes |
| 科 | Accipitridae | Accipitridae |
| 保全状況 | Vulnerable | Least Concern |
| 体長 | 100.0 cm (39.4 in) | 84.0 cm (33.1 in) |
| 翼開長 | 200.0 cm (78.7 in) | 225.0 cm (88.6 in) |
| 体重 | 7500.0 g (264.55 oz) | 5200.0 g (183.42 oz) |
| 食性 | Arboreal mammals including sloths, monkeys, and opossums, which make up over 70% of the diet. … | Fish, waterfowl, and carrion. Often pirates food from other birds. Takes fish from the water … |
| 一腹卵数 | 2-3 | 1-3 |
| 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.
オジロワシ
Coastlines, large lakes, and rivers with mature trees or cliffs for nesting. Requires large undisturbed areas.
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.
オジロワシ
High-pitched, yelping 'klee-klee' and deep barking 'ra-ra-ra'. Less vocal than Bald Eagle but similar chattering quality. Gives gull-like wailing near nest in breeding season.
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.
オジロワシ
Northern Europe and Asia from Greenland and Scandinavia to Japan. Reintroduced to Scotland and Ireland.
保全状況
オウギワシ
オジロワシ
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
オジロワシ
Brown body with a paler head in adults and a distinctive short white wedge-shaped tail. Massive broad wings in flight. Juveniles are darker overall.
Very large, heavy, pale yellow bill
Key Differences
- • Weight: Harpy Eagle (7500g) vs White-tailed Eagle (5200g)
- • Length: Harpy Eagle (100 cm) vs White-tailed Eagle (84 cm)
- • Wingspan: Harpy Eagle (200 cm) vs White-tailed Eagle (225 cm)
- • Conservation: Harpy Eagle (Vulnerable) vs White-tailed Eagle (Least Concern)
- • Habitat: Harpy Eagle prefers Tropical lowland rainforests, requiring large tracts of cont; White-tailed Eagle prefers Coastlines, large lakes, and rivers with mature trees or cli
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。
オジロワシ
The white-tailed eagle is Europe's largest eagle and the fourth-largest eagle in the world. Once extinct in Britain, it has been successfully reintroduced to Scotland and Ireland through conservation programs. These powerful raptors can live over 25 years and form lifelong pair bonds.