角雕 vs Raggiana Bird-of-paradise
Harpia harpyja 对比 Paradisaea raggiana
Side-by-Side Comparison
| 属性 | 角雕 | Raggiana Bird-of-paradise |
|---|---|---|
| 学名 | Harpia harpyja | Paradisaea raggiana |
| 目 | Accipitriformes | Passeriformes |
| 科 | Accipitridae | Paradisaeidae |
| 保护状况 | Vulnerable | Least Concern |
| 体长 | 100.0 cm (39.4 in) | 34.0 cm (13.4 in) |
| 翼展 | 200.0 cm (78.7 in) | 45.0 cm (17.7 in) |
| 体重 | 7500.0 g (264.55 oz) | 260.0 g (9.17 oz) |
| 食性 | Arboreal mammals including sloths, monkeys, and opossums, which make up over 70% of the diet. … | Fruit, seeds, arthropods, and small vertebrates. Males display at communal lek sites to attract females. |
| 产卵数 | 2-3 | 1-2 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
角雕
Tropical lowland rainforests, requiring large tracts of continuous forest with tall emergent trees for nesting.
Raggiana Bird-of-paradise
Tropical rainforest and forest edge from lowlands to mid-montane elevations in New Guinea.
Song & Call Comparison
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.
Raggiana Bird-of-paradise
Males emit harsh, buzzy 'kraaak' calls and explosive wailing during display. Females give softer 'waak' contact calls. Display calls are loud and chaotic at leks.
Geographic Range & Migration
角雕
Central and South America from southern Mexico through Brazil and northern Argentina. Range is shrinking due to deforestation.
Raggiana Bird-of-paradise
Southern and eastern New Guinea. Endemic to Papua New Guinea.
保护状况
角雕
Raggiana Bird-of-paradise
How to Tell Them Apart
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
Raggiana Bird-of-paradise
Males have a yellow crown, emerald-green throat, and spectacular cascading orange-red flank plumes. Females are brown with rufous underparts.
Stout, slightly curved, blue-grey bill
About These Birds
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。
Raggiana Bird-of-paradise
The raggiana bird-of-paradise is the national bird of Papua New Guinea, featured on the national flag and coat of arms. Males gather at traditional display trees to perform elaborate courtship dances, hanging upside down and shaking their spectacular flank plumes. Alfred Russel Wallace first described the species in 1873.