Common Raven vs 角雕
Corvus corax 对比 Harpia harpyja
Side-by-Side Comparison
| 属性 | Common Raven | 角雕 |
|---|---|---|
| 学名 | Corvus corax | Harpia harpyja |
| 目 | Passeriformes | Accipitriformes |
| 科 | Corvidae | Accipitridae |
| 保护状况 | Least Concern | Vulnerable |
| 体长 | 63.0 cm (24.8 in) | 100.0 cm (39.4 in) |
| 翼展 | 130.0 cm (51.2 in) | 200.0 cm (78.7 in) |
| 体重 | 1200.0 g (42.33 oz) | 7500.0 g (264.55 oz) |
| 食性 | Omnivorous and opportunistic — carrion, small animals, insects, eggs, grain, fruit, and human refuse. Among … | Arboreal mammals including sloths, monkeys, and opossums, which make up over 70% of the diet. … |
| 产卵数 | 1-8 | 2-3 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Common Raven
Diverse habitats from Arctic tundra to deserts, mountains, forests, and coastlines. Avoids dense urban areas but thrives near human activity.
角雕
Tropical lowland rainforests, requiring large tracts of continuous forest with tall emergent trees for nesting.
Song & Call Comparison
Common Raven
Highly varied: deep resonant 'kraa-kraa-kraa', hollow 'tok-tok', liquid 'klonk', and wing-whooshing. Among the most intelligent corvid callers; uses calls contextually in groups.
角雕
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
Common Raven
Holarctic distribution across North America, Europe, Asia, and North Africa. The most widely distributed corvid.
角雕
Central and South America from southern Mexico through Brazil and northern Argentina. Range is shrinking due to deforestation.
保护状况
Common Raven
角雕
How to Tell Them Apart
Common Raven
All black with a glossy purplish-blue iridescent sheen. Shaggy throat hackles, long wedge-shaped tail, and large robust build distinguish it from crows.
Large, powerful, curved black bill
角雕
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
About These Birds
Common Raven
渡鸦（Corvus corax）— 广泛分布于北半球的最大雀形目鸟类。以高度智慧著称，能使用工具并解决问题。
角雕
角雕是美洲最大的猛禽之一，翼展可达224厘米。头部具灰白色双羽冠，体羽黑白对比分明，爪极为强大有力。分布于墨西哥至玻利维亚的热带低地雨林，以树栖哺乳动物为主食，包括树懒和猴子。飞行速度快，是雨林顶级捕食者。