螺鳶 vs 白尾海雕
Rostrhamus sociabilis 对比 Haliaeetus albicilla
Side-by-Side Comparison
| 属性 | 螺鳶 | 白尾海雕 |
|---|---|---|
| 学名 | Rostrhamus sociabilis | Haliaeetus albicilla |
| 目 | Accipitriformes | Accipitriformes |
| 科 | Accipitridae | Accipitridae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | 84.0 cm (33.1 in) |
| 翼展 | 69.0 cm (27.2 in) | 225.0 cm (88.6 in) |
| 体重 | 375.75 g (13.25 oz) | 5200.0 g (183.42 oz) |
| 食性 | -- | Fish, waterfowl, and carrion. Often pirates food from other birds. Takes fish from the water … |
| 产卵数 | 2-3 | 1-3 |
| Population Trend | — | — |
Size Comparison
Body Length
螺鳶
—
白尾海雕
84.0 cm
翼展
螺鳶
69.0 cm
白尾海雕
225.0 cm
体重
螺鳶
375.75 g
白尾海雕
5200.0 g
Habitat Comparison
白尾海雕
Coastlines, large lakes, and rivers with mature trees or cliffs for nesting. Requires large undisturbed areas.
Song & Call Comparison
螺鳶
白尾海雕
鸣唱
High-pitched, yelping 'klee-klee' and deep barking 'ra-ra-ra'. Less vocal than Bald Eagle but similar chattering quality. Gives gull-like wailing near nest in breeding season.
Geographic Range & Migration
螺鳶
白尾海雕
Northern Europe and Asia from Greenland and Scandinavia to Japan. Reintroduced to Scotland and Ireland.
保护状况
Least Concern
螺鳶
Least Concern
白尾海雕
How to Tell Them Apart
螺鳶
白尾海雕
羽毛
Brown body with a paler head in adults and a distinctive short white wedge-shaped tail. Massive broad wings in flight. Juveniles are darker overall.
喙
Very large, heavy, pale yellow bill