Variable Goshawk vs 白头海雕
Accipiter hiogaster 对比 Haliaeetus leucocephalus
Side-by-Side Comparison
| 属性 | Variable Goshawk | 白头海雕 |
|---|---|---|
| 学名 | Accipiter hiogaster | 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 | 39.4 cm (15.5 in) | 203.0 cm (79.9 in) |
| 体重 | 266.25 g (9.39 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 | 2-3 | 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
Variable Goshawk
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
Variable Goshawk
白头海雕
North America from Alaska and Canada through the contiguous United States to northern Mexico.
保护状况
Variable Goshawk
白头海雕
How to Tell Them Apart
Variable Goshawk
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
Variable Goshawk
The Variable Goshawk (<em>Accipiter hiogaster</em>) is a forest raptor belonging to the family Accipitridae, the hawks, eagles, and kites. It inhabits forest environments across a broad range encompassing the Moluccas, New Guinea, and surrounding island groups in Australasia. This species is assessed as Least Concern by the IUCN. Its common name reflects the considerable variation in plumage observed across its many island populations and subspecies. Nesting records indicate an incubation period of approximately 30 days, and clutch size typically ranges …
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.