European Roller vs 白尾海雕
Coracias garrulus 对比 Haliaeetus albicilla
Side-by-Side Comparison
| 属性 | European Roller | 白尾海雕 |
|---|---|---|
| 学名 | Coracias garrulus | Haliaeetus albicilla |
| 目 | Coraciiformes | Accipitriformes |
| 科 | Coraciidae | Accipitridae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | 31.0 cm (12.2 in) | 84.0 cm (33.1 in) |
| 翼展 | 66.0 cm (26.0 in) | 225.0 cm (88.6 in) |
| 体重 | 130.0 g (4.59 oz) | 5200.0 g (183.42 oz) |
| 食性 | Large insects, especially beetles, grasshoppers, and crickets. Also takes small reptiles, frogs, and scorpions. Hunts … | Fish, waterfowl, and carrion. Often pirates food from other birds. Takes fish from the water … |
| 产卵数 | 3-6 | 1-3 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
European Roller
Warm, dry, open country with scattered trees and nest holes. Breeds in tree cavities, earth banks, and nest boxes.
白尾海雕
Coastlines, large lakes, and rivers with mature trees or cliffs for nesting. Requires large undisturbed areas.
Song & Call Comparison
European Roller
A harsh, grating 'rack-rack' or 'quarrk' in flight. Gives a variety of sharp nasal calls at the nest. Not melodic; primary vocalizations are alarm and contact calls.
白尾海雕
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
European Roller
Southern and eastern Europe, Central Asia, and North Africa. Winters in sub-Saharan Africa.
白尾海雕
Northern Europe and Asia from Greenland and Scandinavia to Japan. Reintroduced to Scotland and Ireland.
保护状况
European Roller
白尾海雕
How to Tell Them Apart
European Roller
Turquoise-blue head, breast, and tail. Chestnut-brown back. Vivid ultramarine blue and black wing patches visible in flight.
Short, stout, dark hooked bill
白尾海雕
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.
Very large, heavy, pale yellow bill
About These Birds
European Roller
因求偶时的翻滚飞行而得名。欧洲唯一的佛法僧科鸟类。种群数量下降。
白尾海雕
The white-tailed eagle is Europe's largest eagle and the fourth-largest eagle in the world. Once extinct in Britain, it has been successfully reintroduced to Scotland and Ireland through conservation programs. These powerful raptors can live over 25 years and form lifelong pair bonds.