Common Raven vs Amami Jay
Corvus corax 对比 Garrulus lidthi
Side-by-Side Comparison
| 属性 | Common Raven | Amami Jay |
|---|---|---|
| 学名 | Corvus corax | Garrulus lidthi |
| 目 | Passeriformes | Passeriformes |
| 科 | Corvidae | Corvidae |
| 保护状况 | Least Concern | Vulnerable |
| 体长 | 63.0 cm (24.8 in) | — |
| 翼展 | 130.0 cm (51.2 in) | 34.8 cm (13.7 in) |
| 体重 | 1200.0 g (42.33 oz) | 125.0 g (4.41 oz) |
| 食性 | Omnivorous and opportunistic — carrion, small animals, insects, eggs, grain, fruit, and human refuse. Among … | -- |
| 产卵数 | 1-8 | 3-5 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Common Raven
Diverse habitats from Arctic tundra to deserts, mountains, forests, and coastlines. Avoids dense urban areas but thrives near human activity.
Song & Call Comparison
Common Raven
Highly varied: deep resonant 'kraa-kraa-kraa', hollow 'tok-tok', liquid 'klonk', and wing-whooshing. Among the most intelligent corvid callers; uses calls contextually in groups.
Amami Jay
Geographic Range & Migration
Common Raven
Holarctic distribution across North America, Europe, Asia, and North Africa. The most widely distributed corvid.
Amami Jay
保护状况
Common Raven
Amami Jay
How to Tell Them Apart
Common Raven
All black with a glossy purplish-blue iridescent sheen. Shaggy throat hackles, long wedge-shaped tail, and large robust build distinguish it from crows.
Large, powerful, curved black bill
Amami Jay
About These Birds
Common Raven
渡鸦（Corvus corax）— 广泛分布于北半球的最大雀形目鸟类。以高度智慧著称，能使用工具并解决问题。
Amami Jay
The Amami Jay is a vulnerable corvid weighing 125 g with a broad 34.8 cm wingspan, endemic to the Amami Islands of southern Japan. It has striking blue and chestnut plumage and inhabits subtropical broadleaf forests where it caches food.