Common Raven vs Red-billed Blue Magpie
Corvus corax 对比 Urocissa erythroryncha
Side-by-Side Comparison
| 属性 | Common Raven | Red-billed Blue Magpie |
|---|---|---|
| 学名 | Corvus corax | Urocissa erythroryncha |
| 目 | Passeriformes | Passeriformes |
| 科 | Corvidae | Corvidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | 63.0 cm (24.8 in) | — |
| 翼展 | 130.0 cm (51.2 in) | 36.3 cm (14.3 in) |
| 体重 | 1200.0 g (42.33 oz) | 150.5 g (5.31 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
Body Length
Common Raven
63.0 cm
Red-billed Blue Magpie
—
翼展
Common Raven
130.0 cm
Red-billed Blue Magpie
36.3 cm
体重
Common Raven
1200.0 g
Red-billed Blue Magpie
150.5 g
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
鸣唱
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.
Red-billed Blue Magpie
Geographic Range & Migration
Common Raven
Holarctic distribution across North America, Europe, Asia, and North Africa. The most widely distributed corvid.
Red-billed Blue Magpie
保护状况
Least Concern
Common Raven
Least Concern
Red-billed Blue Magpie
How to Tell Them Apart
Common Raven
羽毛
All black with a glossy purplish-blue iridescent sheen. Shaggy throat hackles, long wedge-shaped tail, and large robust build distinguish it from crows.
喙
Large, powerful, curved black bill
Red-billed Blue Magpie
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。