American Robin vs 白头海雕
Turdus migratorius 对比 Haliaeetus leucocephalus
Side-by-Side Comparison
| 属性 | American Robin | 白头海雕 |
|---|---|---|
| 学名 | Turdus migratorius | Haliaeetus leucocephalus |
| 目 | Passeriformes | Accipitriformes |
| 科 | Turdidae | Accipitridae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | 25.0 cm (9.8 in) | 79.0 cm (31.1 in) |
| 翼展 | 36.0 cm (14.2 in) | 203.0 cm (79.9 in) |
| 体重 | 77.0 g (2.72 oz) | 4300.0 g (151.68 oz) |
| 食性 | Earthworms, insects, and fruit. Famously hunts earthworms on lawns by running, stopping, and tilting its … | Primarily fish, also waterfowl, small mammals, and carrion. Hunts by swooping down to snatch fish … |
| 产卵数 | 2-4 | 1-4 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
American Robin
Lawns, parks, gardens, farmland, and forest edges. One of the most familiar birds in suburban North America.
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
American Robin
A clear, caroling song of 2-3 note phrases: 'cheerily, cheer-up, cheerio'. Sings from dawn perches. Sharp 'tut-tut-tut' alarm call and thin 'seeee' flight note.
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
American Robin
North America from Alaska and Canada to Mexico. Northern populations migrate south in winter; southern populations are largely resident.
白头海雕
North America from Alaska and Canada through the contiguous United States to northern Mexico.
保护状况
American Robin
白头海雕
How to Tell Them Apart
American Robin
Dark grey-brown upperparts with a warm brick-red breast and belly. White eye-ring and streaked white throat. Female slightly paler.
Bright yellow bill with a dark tip
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
American Robin
美洲鸫（学名Turdus migratorius）被广泛视为北美春天的使者。尽管名为"知更鸟"（robin），实为鸫科（Turdidae）成员，与欧洲知更鸟无近缘关系。雄鸟胸部橙红色，头部黑色，体长约25厘米。食蚯蚓和浆果，常见于草坪和公园。
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.