Common Myna vs 角雕
Acridotheres tristis 对比 Harpia harpyja
Side-by-Side Comparison
| 属性 | Common Myna | 角雕 |
|---|---|---|
| 学名 | Acridotheres tristis | Harpia harpyja |
| 目 | Passeriformes | Accipitriformes |
| 科 | Sturnidae | Accipitridae |
| 保护状况 | Least Concern | Vulnerable |
| 体长 | 25.0 cm (9.8 in) | 100.0 cm (39.4 in) |
| 翼展 | 38.0 cm (15.0 in) | 200.0 cm (78.7 in) |
| 体重 | 120.0 g (4.23 oz) | 7500.0 g (264.55 oz) |
| 食性 | Omnivorous — insects, fruit, grain, and kitchen scraps. Bold and opportunistic around human settlements. | Arboreal mammals including sloths, monkeys, and opossums, which make up over 70% of the diet. … |
| 产卵数 | 2-6 | 2-3 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Common Myna
Urban areas, farmland, and open woodland. Closely associated with humans and one of the most successful avian urban colonizers.
角雕
Tropical lowland rainforests, requiring large tracts of continuous forest with tall emergent trees for nesting.
Song & Call Comparison
Common Myna
A noisy, cackling chatter and melodious whistling mixed together. An accomplished mimic of other birds and sounds. Gives repeated 'mee-ow' and harsh 'quarr' alarm calls.
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 Myna
Native to South and Southeast Asia. Introduced and invasive in Australia, South Africa, Middle East, and many Pacific islands.
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 Myna
角雕
How to Tell Them Apart
Common Myna
Brown body with a glossy black hood, yellow bill, and bare yellow skin behind the eye. White wing patches conspicuous in flight. Yellow legs.
Strong, slightly curved yellow 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 Myna
家八哥(Acridotheres tristis)— 原产于南亚,已被引入世界各地的强适应性椋鸟科鸟类。黄色嘴和眼周黄色裸皮为特征。
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。