Grey-headed Goshawk vs đại bàng đầu trắng
Accipiter poliocephalus so với Haliaeetus leucocephalus
Side-by-Side Comparison
| Thuộc Tính | Grey-headed Goshawk | đại bàng đầu trắng |
|---|---|---|
| Tên Khoa Học | Accipiter poliocephalus | Haliaeetus leucocephalus |
| Bộ | Accipitriformes | Accipitriformes |
| Họ | Accipitridae | Accipitridae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | 79,0 cm (31.1 in) |
| Chiều Dài Sải Cánh | 42,1 cm (16.6 in) | 203,0 cm (79.9 in) |
| Khối Lượng | 260,75 g (9.20 oz) | 4300,0 g (151.68 oz) |
| Chế Độ Ăn | -- | Primarily fish, also waterfowl, small mammals, and carrion. Hunts by swooping down to snatch fish … |
| Số Trứng | 1 | 1-4 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Môi Trường Sống Chung
Grey-headed Goshawk only
Không
đại bàng đầu trắng only
đại bàng đầu trắng
Large bodies of open water including coasts, rivers, and lakes with abundant fish and old-growth trees for nesting.
Song & Call Comparison
Grey-headed Goshawk
đại bàng đầu trắng
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
Grey-headed Goshawk
đại bàng đầu trắng
North America from Alaska and Canada through the contiguous United States to northern Mexico.
Tình Trạng Bảo Tồn
Grey-headed Goshawk
đại bàng đầu trắng
How to Tell Them Apart
Grey-headed Goshawk
đại bàng đầu trắng
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
Grey-headed Goshawk
The Grey-headed Goshawk (<em>Accipiter poliocephalus</em>) is a raptor of the family Accipitridae (Hawks, Eagles & Kites), occurring in the forested islands of the southwestern Pacific. It is a forest-specialist, inhabiting lowland and montane forest environments where it is believed to hunt birds and small vertebrates through the canopy. Detailed plumage and behavioral descriptions of this species are limited in the available literature, though its common name reflects a distinctive grey head coloration that distinguishes it within its range. Geographic range …
đại bàng đầu trắng
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.