侏鷹 vs 白头海雕
Accipiter superciliosus 对比 Haliaeetus leucocephalus
Side-by-Side Comparison
| 属性 | 侏鷹 | 白头海雕 |
|---|---|---|
| 学名 | Accipiter superciliosus | 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 | 29.3 cm (11.5 in) | 203.0 cm (79.9 in) |
| 体重 | 103.675 g (3.66 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 | 1-3 | 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
侏鷹
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
侏鷹
白头海雕
North America from Alaska and Canada through the contiguous United States to northern Mexico.
保护状况
侏鷹
白头海雕
How to Tell Them Apart
侏鷹
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
侏鷹
The Tiny Hawk, <em>Accipiter superciliosus</em>, is among the smallest members of the family Accipitridae and is found in forested regions of Central and South America. It inhabits dense tropical and subtropical forest habitats, where its diminutive size likely allows it to hunt in dense undergrowth and canopy. Detailed plumage and bill characteristics are not fully described in the literature reviewed here. The nest is recorded as a platform-like structure consistent with other hawks in this genus. Incubation lasts approximately 30 …
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.