白头海雕 vs 艾氏雕
Haliaeetus leucocephalus 对比 Hieraaetus ayresii
Side-by-Side Comparison
| 属性 | 白头海雕 | 艾氏雕 |
|---|---|---|
| 学名 | Haliaeetus leucocephalus | Hieraaetus ayresii |
| 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) | 76.7 cm (30.2 in) |
| 体重 | 4300.0 g (151.68 oz) | 839.5 g (29.61 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.
艾氏雕
Geographic Range & Migration
白头海雕
North America from Alaska and Canada through the contiguous United States to northern Mexico.
艾氏雕
保护状况
白头海雕
艾氏雕
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
艾氏雕
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.
艾氏雕
阿亚雀鹰是非洲撒哈拉以南特有的小型鹰类。上体深色，下体白色具深色纵纹，翅下面白色具暗色斑纹。分布于森林和林地，以鸟类和蜥蜴等为食，飞行迅捷灵活，常在林间追逐猎物。