American Crow vs Daurian Jackdaw
Corvus brachyrhynchos 对比 Corvus dauuricus
Side-by-Side Comparison
| 属性 | American Crow | Daurian Jackdaw |
|---|---|---|
| 学名 | Corvus brachyrhynchos | Corvus dauuricus |
| 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) | 46.5 cm (18.3 in) |
| 体重 | 450.0 g (15.87 oz) | 169.33333333333334 g (5.97 oz) |
| 食性 | Highly omnivorous — insects, earthworms, seeds, fruit, eggs, nestlings, carrion, and human food waste. Among … | -- |
| 产卵数 | 3-7 | 4-6 |
| Population Trend | — | — |
Size Comparison
Body Length
American Crow
45.0 cm
Daurian Jackdaw
—
翼展
American Crow
99.0 cm
Daurian Jackdaw
46.5 cm
体重
American Crow
450.0 g
Daurian Jackdaw
169.33333333333334 g
Habitat Comparison
American Crow
Extremely adaptable — found in farmland, open woodland, suburban neighborhoods, parking lots, and urban parks.
Song & Call Comparison
American Crow
鸣唱
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.
Daurian Jackdaw
Geographic Range & Migration
American Crow
North America from southern Canada through the United States to northern Mexico.
Daurian Jackdaw
保护状况
Least Concern
American Crow
Least Concern
Daurian Jackdaw
How to Tell Them Apart
American Crow
羽毛
All black with a slight glossy sheen. Squared-off tail and smooth throat distinguish it from the common raven.
喙
Straight, sturdy black bill smaller than a raven's
Daurian Jackdaw
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。