黑背鹰 vs 白头海雕
Accipiter melanochlamys 对比 Haliaeetus leucocephalus
Side-by-Side Comparison
| 属性 | 黑背鹰 | 白头海雕 |
|---|---|---|
| 学名 | Accipiter melanochlamys | Haliaeetus leucocephalus |
| 目 | Accipitriformes | Accipitriformes |
| 科 | Accipitridae | Accipitridae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | 79.0 cm (31.1 in) |
| 翼展 | 45.7 cm (18.0 in) | 203.0 cm (79.9 in) |
| 体重 | 232.2 g (8.19 oz) | 4300.0 g (151.68 oz) |
| 食性 | -- | Primarily fish, also waterfowl, small mammals, and carrion. Hunts by swooping down to snatch fish … |
| 产卵数 | -- | 1-4 |
| 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
黑背鹰
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.
Geographic Range & Migration
黑背鹰
白头海雕
North America from Alaska and Canada through the contiguous United States to northern Mexico.
保护状况
黑背鹰
白头海雕
How to Tell Them Apart
黑背鹰
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
About These Birds
黑背鹰
黑背苍鹰（Accipiter melanochlamys）是一种中型紧凑的鹰，背部和肩部深黑色，下体浅色具横纹。属鹰科（Accipitridae），分布于新几内亚山地森林，海拔可达4,000米。以鸟类和蜥蜴为食。
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.