灰鹰 vs 白头海雕
Accipiter novaehollandiae 对比 Haliaeetus leucocephalus
Side-by-Side Comparison
| 属性 | 灰鹰 | 白头海雕 |
|---|---|---|
| 学名 | Accipiter novaehollandiae | 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 | 52.4 cm (20.6 in) | 203.0 cm (79.9 in) |
| 体重 | 572.0 g (20.18 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 | 1-5 | 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
灰鹰
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
灰鹰
白头海雕
North America from Alaska and Canada through the contiguous United States to northern Mexico.
保护状况
灰鹰
白头海雕
How to Tell Them Apart
灰鹰
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
灰鹰
The Grey Goshawk (<em>Accipiter novaehollandiae</em>) is a medium-sized raptor of the family Accipitridae (Hawks, Eagles & Kites), native to Australia and nearby islands. It occupies a range of habitats including forest and grassland, making it one of the more habitat-versatile members of its genus. Detailed plumage and behavioral descriptions of this species are limited in the available literature for this record, though the Grey Goshawk is notable for occurring in both a grey-and-white morph and a pure white morph, the …
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.