Nicobar Sparrowhawk vs đại bàng đầu trắng
Accipiter butleri so với Haliaeetus leucocephalus
Side-by-Side Comparison
| Thuộc Tính | Nicobar Sparrowhawk | đại bàng đầu trắng |
|---|---|---|
| Tên Khoa Học | Accipiter butleri | Haliaeetus leucocephalus |
| Bộ | Accipitriformes | Accipitriformes |
| Họ | Accipitridae | Accipitridae |
| Tình Trạng Bảo Tồn | Vulnerable | Least Concern |
| Chiều Dài | — | 79,0 cm (31.1 in) |
| Chiều Dài Sải Cánh | 33,2 cm (13.1 in) | 203,0 cm (79.9 in) |
| Khối Lượng | 227,0 g (8.01 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 | -- | 1-4 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Môi Trường Sống Chung
Nicobar Sparrowhawk 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
Nicobar Sparrowhawk
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
Nicobar Sparrowhawk
đại bàng đầu trắng
North America from Alaska and Canada through the contiguous United States to northern Mexico.
Tình Trạng Bảo Tồn
Nicobar Sparrowhawk
đại bàng đầu trắng
How to Tell Them Apart
Nicobar Sparrowhawk
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
Nicobar Sparrowhawk
The Nicobar Sparrowhawk (<em>Accipiter butleri</em>) is a small island raptor belonging to the family Accipitridae, encompassing hawks, eagles, and kites. Detailed plumage and behavioral descriptions of this species are limited in the available literature. The Nicobar Sparrowhawk is associated with forest habitats, consistent with its restricted range on the Nicobar Islands in the Indian Ocean, where tropical forest constitutes the primary landscape. This species is assessed as Vulnerable by the IUCN, reflecting concern over its small and geographically confined population; …
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.