白头海雕 vs Andaman Serpent-eagle
Haliaeetus leucocephalus 对比 Spilornis elgini
Side-by-Side Comparison
| 属性 | 白头海雕 | Andaman Serpent-eagle |
|---|---|---|
| 学名 | Haliaeetus leucocephalus | Spilornis elgini |
| 目 | Accipitriformes | Accipitriformes |
| 科 | Accipitridae | Accipitridae |
| 保护状况 | Least Concern | Vulnerable |
| 体长 | 79.0 cm (31.1 in) | — |
| 翼展 | 203.0 cm (79.9 in) | 73.1 cm (28.8 in) |
| 体重 | 4300.0 g (151.68 oz) | 895.0 g (31.57 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
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.
Andaman Serpent-eagle
Geographic Range & Migration
白头海雕
North America from Alaska and Canada through the contiguous United States to northern Mexico.
Andaman Serpent-eagle
保护状况
白头海雕
Andaman Serpent-eagle
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
Andaman Serpent-eagle
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.
Andaman Serpent-eagle
The Andaman Serpent-eagle is a vulnerable raptor with an impressive 73.1 cm wingspan, weighing around 895 grams. It is endemic to the Andaman Islands and inhabits primary forest, where it hunts snakes and lizards. Deforestation on the islands threatens its small population.