白头海雕 vs 短趾雕
Haliaeetus leucocephalus 对比 Circaetus gallicus
Side-by-Side Comparison
| 属性 | 白头海雕 | 短趾雕 |
|---|---|---|
| 学名 | Haliaeetus leucocephalus | Circaetus gallicus |
| 目 | Accipitriformes | Accipitriformes |
| 科 | Accipitridae | Accipitridae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | 79.0 cm (31.1 in) | — |
| 翼展 | 203.0 cm (79.9 in) | 107.4 cm (42.3 in) |
| 体重 | 4300.0 g (151.68 oz) | 1701.0 g (60.00 oz) |
| 食性 | Primarily fish, also waterfowl, small mammals, and carrion. Hunts by swooping down to snatch fish … | -- |
| 产卵数 | 1-4 | 1 |
| 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.
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.
短趾雕
Geographic Range & Migration
白头海雕
North America from Alaska and Canada through the contiguous United States to northern Mexico.
短趾雕
保护状况
白头海雕
短趾雕
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
短趾雕
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.
短趾雕
短趾雕（约1.6公斤）是一种中型猛禽，专食爬行动物，尤其擅长捕蛇。广布于欧洲至亚洲南部。具有大型圆形头部和黄色眼睛，以长时间悬停侦察地面猎物而著名。无危；在整个分布范围内种群数量稳定，在南欧开阔灌木地中较为常见。