留島鷂 vs 金雕
Circus maillardi 对比 Aquila chrysaetos
Side-by-Side Comparison
| 属性 | 留島鷂 | 金雕 |
|---|---|---|
| 学名 | Circus maillardi | Aquila chrysaetos |
| 目 | Accipitriformes | Accipitriformes |
| 科 | Accipitridae | Accipitridae |
| 保护状况 | Endangered | Least Concern |
| 体长 | — | 81.0 cm (31.9 in) |
| 翼展 | 70.6 cm (27.8 in) | 212.0 cm (83.5 in) |
| 体重 | 573.0 g (20.21 oz) | 4050.0 g (142.86 oz) |
| 食性 | -- | Mammals including rabbits, hares, ground squirrels, and marmots. Also takes birds, reptiles, and carrion. Hunts … |
| 产卵数 | 2-6 | 1-3 |
| Population Trend | — | — |
Size Comparison
Body Length
留島鷂
—
金雕
81.0 cm
翼展
留島鷂
70.6 cm
金雕
212.0 cm
体重
留島鷂
573.0 g
金雕
4050.0 g
Habitat Comparison
金雕
Open and semi-open country including mountains, hills, and tundra. Prefers areas with cliffs or large trees for nesting and open terrain for hunting.
Song & Call Comparison
留島鷂
金雕
鸣唱
Mostly silent; emits a thin, high-pitched whistle 'kee-kee-kee' near the eyrie. Also gives low barking 'yak-yak' and mewing calls. Far less vocal than its size suggests.
Geographic Range & Migration
留島鷂
金雕
Holarctic distribution across North America, Europe, North Africa, and Asia. The most widely distributed eagle species.
保护状况
Endangered
留島鷂
Least Concern
金雕
How to Tell Them Apart
留島鷂
金雕
羽毛
Dark brown overall with a golden-bronze sheen on the nape and crown. Juveniles show distinct white patches at the base of the tail and in the wings.
喙
Dark horn-colored hooked bill with a yellow cere