American Crow vs Carrion Crow
Corvus brachyrhynchos 对比 Corvus corone
Side-by-Side Comparison
| 属性 | American Crow | Carrion Crow |
|---|---|---|
| 学名 | Corvus brachyrhynchos | Corvus corone |
| 目 | Passeriformes | Passeriformes |
| 科 | Corvidae | Corvidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | 45.0 cm (17.7 in) | — |
| 翼展 | 99.0 cm (39.0 in) | 64.8 cm (25.5 in) |
| 体重 | 450.0 g (15.87 oz) | 527.8333333333334 g (18.62 oz) |
| 食性 | Highly omnivorous — insects, earthworms, seeds, fruit, eggs, nestlings, carrion, and human food waste. Among … | -- |
| 产卵数 | 3-7 | 4-5 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
American Crow
Extremely adaptable — found in farmland, open woodland, suburban neighborhoods, parking lots, and urban parks.
Song & Call Comparison
American Crow
Classic 'caw-caw-caw' repeated in series. Family groups use distinct dialects. Also gives rattling, knocking, and a short 'cah' flight call. Highly social and vocal.
Carrion Crow
Geographic Range & Migration
American Crow
North America from southern Canada through the United States to northern Mexico.
Carrion Crow
保护状况
American Crow
Carrion Crow
How to Tell Them Apart
American Crow
All black with a slight glossy sheen. Squared-off tail and smooth throat distinguish it from the common raven.
Straight, sturdy black bill smaller than a raven's
Carrion Crow
About These Birds
American Crow
美洲乌鸦（学名Corvus brachyrhynchos）是北美最常见、最广为人知的智慧鸟类之一。研究表明乌鸦能记住人脸，并在鸟类中表现出最高水平的工具使用能力。体全黑，成群活动。属鸦科（Corvidae），杂食性，高度适应人类环境。
Carrion Crow
小嘴乌鸦（约500克）是欧洲最常见的鸦科鸟类之一，全身黑色（小嘴乌鸦亚种）或背部灰色（灰背乌鸦亚种）。高度适应城市和农业生境，以腐肉、种子、无脊椎动物和其他鸟类的卵为食。无危；高度智慧，种群数量庞大，分布广泛。