Common Raven vs 红尾鵟
Corvus corax 对比 Buteo jamaicensis
Side-by-Side Comparison
| 属性 | Common Raven | 红尾鵟 |
|---|---|---|
| 学名 | Corvus corax | Buteo jamaicensis |
| 目 | Passeriformes | Accipitriformes |
| 科 | Corvidae | Accipitridae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | 63.0 cm (24.8 in) | 53.0 cm (20.9 in) |
| 翼展 | 130.0 cm (51.2 in) | 124.0 cm (48.8 in) |
| 体重 | 1200.0 g (42.33 oz) | 1080.0 g (38.10 oz) |
| 食性 | Omnivorous and opportunistic — carrion, small animals, insects, eggs, grain, fruit, and human refuse. Among … | Small to medium mammals, especially voles, mice, and rabbits. Also takes birds, reptiles, and large … |
| 产卵数 | 1-8 | 2-4 |
| 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.
红尾鵟
Open country with scattered elevated perches such as trees, poles, and cliffs. Adaptable to farmland, grasslands, roadsides, and suburban areas.
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.
红尾鵟
Iconic, raspy descending scream: 'kreeeeee-ar', often used in films for all raptors. Gives short barking 'kak' notes near nest. Juveniles beg with persistent squealing whistles.
Geographic Range & Migration
Common Raven
Holarctic distribution across North America, Europe, Asia, and North Africa. The most widely distributed corvid.
红尾鵟
North America from Alaska to Panama, including the Caribbean. One of the most common raptors in North America.
保护状况
Common Raven
红尾鵟
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
红尾鵟
Variable plumage from pale to dark morphs. Most adults have rich brown upperparts, a pale breast with a dark belly band, and the characteristic rufous-red tail.
Dark hooked bill with a yellow cere
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。
红尾鵟
The red-tailed hawk is the most widespread and common hawk in North America. Its screaming cry is so iconic that it is often dubbed over bald eagle footage in films and television. These adaptable raptors thrive in human-altered landscapes and are a familiar sight perched along highways.