白头海雕 vs Common Myna
Haliaeetus leucocephalus 对比 Acridotheres tristis
Side-by-Side Comparison
| 属性 | 白头海雕 | Common Myna |
|---|---|---|
| 学名 | Haliaeetus leucocephalus | Acridotheres tristis |
| 目 | Accipitriformes | Passeriformes |
| 科 | Accipitridae | Sturnidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | 79.0 cm (31.1 in) | 25.0 cm (9.8 in) |
| 翼展 | 203.0 cm (79.9 in) | 38.0 cm (15.0 in) |
| 体重 | 4300.0 g (151.68 oz) | 120.0 g (4.23 oz) |
| 食性 | Primarily fish, also waterfowl, small mammals, and carrion. Hunts by swooping down to snatch fish … | Omnivorous — insects, fruit, grain, and kitchen scraps. Bold and opportunistic around human settlements. |
| 产卵数 | 1-4 | 2-6 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
白头海雕
Large bodies of open water including coasts, rivers, and lakes with abundant fish and old-growth trees for nesting.
Common Myna
Urban areas, farmland, and open woodland. Closely associated with humans and one of the most successful avian urban colonizers.
Song & Call Comparison
白头海雕
High-pitched, chattering whistle: a rapid 'kleek-kik-ik-ik-ik'. Surprisingly weak and thin for such a large raptor. Also gives a lower 'kwit-kwit' call near the nest.
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.
Geographic Range & Migration
白头海雕
North America from Alaska and Canada through the contiguous United States to northern Mexico.
Common Myna
Native to South and Southeast Asia. Introduced and invasive in Australia, South Africa, Middle East, and many Pacific islands.
保护状况
白头海雕
Common Myna
How to Tell Them Apart
白头海雕
Adults have a dark brown body with a striking white head and tail. Juveniles are mottled brown and white, reaching full adult plumage at age five.
Large, hooked, bright yellow bill
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
About These Birds
白头海雕
The bald eagle is the national bird and symbol of the United States. Once endangered due to DDT pesticide use, it made a remarkable recovery and was removed from the endangered species list in 2007. These powerful raptors build the largest tree nests of any bird, some weighing over two tons.
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。