白头海雕 vs Common Blackbird
Haliaeetus leucocephalus 对比 Turdus merula
Side-by-Side Comparison
| 属性 | 白头海雕 | Common Blackbird |
|---|---|---|
| 学名 | Haliaeetus leucocephalus | Turdus merula |
| 目 | Accipitriformes | Passeriformes |
| 科 | Accipitridae | Turdidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | 79.0 cm (31.1 in) | 25.0 cm (9.8 in) |
| 翼展 | 203.0 cm (79.9 in) | 36.0 cm (14.2 in) |
| 体重 | 4300.0 g (151.68 oz) | 100.0 g (3.53 oz) |
| 食性 | Primarily fish, also waterfowl, small mammals, and carrion. Hunts by swooping down to snatch fish … | Earthworms, insects, berries, and fruit. Forages on the ground, turning over leaf litter. Famously pulls … |
| 产卵数 | 1-4 | 3-5 |
| 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.
Common Blackbird
Woodland, hedgerows, gardens, and parks. One of the most common garden birds across Europe.
Song & Call Comparison
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.
Common Blackbird
Arguably Britain's finest songster: rich, flute-like phrases with deep, mellow quality. Sings persistently at dusk. Alarm is a sharp 'chook-chook'. Song includes liquid 'pew' notes.
Geographic Range & Migration
白头海雕
North America from Alaska and Canada through the contiguous United States to northern Mexico.
Common Blackbird
Europe, Asia, and North Africa. Introduced to Australia and New Zealand. Northern populations are migratory.
保护状况
白头海雕
Common Blackbird
How to Tell Them Apart
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
Common Blackbird
Males are jet black with a bright yellow-orange bill and eye-ring. Females are dark brown with mottled underparts and a dull yellowish bill.
Bright yellow-orange bill in males, dull brownish in females
About These Birds
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.
Common Blackbird
欧洲乌鸫（Turdus merula）— 广泛分布于欧洲的鸫科鸟类。雄鸟全身黑色，嘴黄色；雌鸟棕色。栖息于花园和森林，鸣声悦耳动听。