乌灰鹞 vs 角雕
Circus pygargus 对比 Harpia harpyja
Side-by-Side Comparison
| 属性 | 乌灰鹞 | 角雕 |
|---|---|---|
| 学名 | Circus pygargus | Harpia harpyja |
| 目 | Accipitriformes | Accipitriformes |
| 科 | Accipitridae | Accipitridae |
| 保护状况 | Least Concern | Vulnerable |
| 体长 | — | 100.0 cm (39.4 in) |
| 翼展 | 72.5 cm (28.5 in) | 200.0 cm (78.7 in) |
| 体重 | 307.75 g (10.86 oz) | 7500.0 g (264.55 oz) |
| 食性 | -- | Arboreal mammals including sloths, monkeys, and opossums, which make up over 70% of the diet. … |
| 产卵数 | 1-6 | 2-3 |
| Population Trend | — | — |
Size Comparison
Body Length
乌灰鹞
—
角雕
100.0 cm
翼展
乌灰鹞
72.5 cm
角雕
200.0 cm
体重
乌灰鹞
307.75 g
角雕
7500.0 g
Habitat Comparison
角雕
Tropical lowland rainforests, requiring large tracts of continuous forest with tall emergent trees for nesting.
Song & Call Comparison
乌灰鹞
角雕
鸣唱
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
乌灰鹞
角雕
Central and South America from southern Mexico through Brazil and northern Argentina. Range is shrinking due to deforestation.
保护状况
Least Concern
乌灰鹞
Vulnerable
角雕
How to Tell Them Apart
乌灰鹞
角雕
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.
喙
Massive dark hooked bill, one of the largest of any eagle