角雕 vs 鹭鹰
Harpia harpyja 对比 Sagittarius serpentarius
Side-by-Side Comparison
| 属性 | 角雕 | 鹭鹰 |
|---|---|---|
| 学名 | Harpia harpyja | Sagittarius serpentarius |
| 目 | Accipitriformes | Accipitriformes |
| 科 | Accipitridae | Sagittariidae |
| 保护状况 | Vulnerable | Endangered |
| 体长 | 100.0 cm (39.4 in) | 130.0 cm (51.2 in) |
| 翼展 | 200.0 cm (78.7 in) | 210.0 cm (82.7 in) |
| 体重 | 7500.0 g (264.55 oz) | 3700.0 g (130.51 oz) |
| 食性 | Arboreal mammals including sloths, monkeys, and opossums, which make up over 70% of the diet. … | Snakes, lizards, small mammals, and large insects. Hunts on foot, stomping prey to death with … |
| 产卵数 | 2-3 | 1-4 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
角雕
Tropical lowland rainforests, requiring large tracts of continuous forest with tall emergent trees for nesting.
鹭鹰
Open grasslands, savannas, and light woodland across sub-Saharan Africa. Avoids dense forests and very arid regions.
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.
鹭鹰
A surprisingly deep, resonant croaking 'kowrr-kowrr' often heard at dawn on African savannas. Also gives pig-like grunting sounds. Mostly silent compared to true songbirds.
Geographic Range & Migration
角雕
Central and South America from southern Mexico through Brazil and northern Argentina. Range is shrinking due to deforestation.
鹭鹰
Sub-Saharan Africa from Senegal and Somalia south to South Africa. Resident throughout its range.
保护状况
角雕
鹭鹰
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
鹭鹰
Grey body plumage with black flight feathers and thigh feathers. Distinctive long black crest feathers trail from the back of the head. Orange-red bare facial skin.
Short, strong, hooked greyish bill with a yellowish cere
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。
鹭鹰
The secretary bird is the only raptor that hunts primarily on foot, striding through grasslands on crane-like legs up to 1.2 meters tall. Its name may derive from the crest feathers resembling quill pens tucked behind a secretary's ear. The species is classified as Endangered due to habitat loss and decline across much of its range.