灰頭鳳頭鷹 vs 白头海雕
Accipiter griseiceps 对比 Haliaeetus leucocephalus
Side-by-Side Comparison
| 属性 | 灰頭鳳頭鷹 | 白头海雕 |
|---|---|---|
| 学名 | Accipiter griseiceps | 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 | 37.4 cm (14.7 in) | 203.0 cm (79.9 in) |
| 体重 | 255.5 g (9.01 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
灰頭鳳頭鷹
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
灰頭鳳頭鷹
白头海雕
North America from Alaska and Canada through the contiguous United States to northern Mexico.
保护状况
灰頭鳳頭鷹
白头海雕
How to Tell Them Apart
灰頭鳳頭鷹
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
灰頭鳳頭鷹
The Sulawesi Goshawk (<em>Accipiter griseiceps</em>) is a member of the family Accipitridae, the hawks, eagles, and kites. Endemic to the Indonesian island of Sulawesi, this raptor inhabits coastal and forest environments, where it is associated with tropical lowland and hill forests. As a member of the genus Accipiter, it is a small to medium-sized hawk adapted to hunting within forested terrain. Its conservation status is assessed as Least Concern by the IUCN, indicating that the population is not currently considered …
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.