白头海雕 vs African Marsh-harrier
Haliaeetus leucocephalus 对比 Circus ranivorus
Side-by-Side Comparison
| 属性 | 白头海雕 | African Marsh-harrier |
|---|---|---|
| 学名 | Haliaeetus leucocephalus | Circus ranivorus |
| 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) | 72.6 cm (28.6 in) |
| 体重 | 4300.0 g (151.68 oz) | 498.0 g (17.57 oz) |
| 食性 | Primarily fish, also waterfowl, small mammals, and carrion. Hunts by swooping down to snatch fish … | -- |
| 产卵数 | 1-4 | 3-6 |
| 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.
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.
African Marsh-harrier
Geographic Range & Migration
白头海雕
North America from Alaska and Canada through the contiguous United States to northern Mexico.
African Marsh-harrier
保护状况
白头海雕
African Marsh-harrier
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
African Marsh-harrier
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.
African Marsh-harrier
非洲泽鹞(Circus ranivorus)是一种宽翼猛禽，翼展约73厘米，体重接近500克。在芦苇丛、湿地和草地上低飞觅食，以蛙类、啮齿动物和鸟类为食。分布于撒哈拉以南非洲，尤其集中于东部和南部非洲的湿地。