American Crow vs Hispaniolan Palm Crow
Corvus brachyrhynchos 对比 Corvus palmarum
Side-by-Side Comparison
| 属性 | American Crow | Hispaniolan Palm Crow |
|---|---|---|
| 学名 | Corvus brachyrhynchos | Corvus palmarum |
| 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) | 48.8 cm (19.2 in) |
| 体重 | 450.0 g (15.87 oz) | 255.0 g (8.99 oz) |
| 食性 | Highly omnivorous — insects, earthworms, seeds, fruit, eggs, nestlings, carrion, and human food waste. Among … | -- |
| 产卵数 | 3-7 | 3-4 |
| Population Trend | — | — |
Size Comparison
Body Length
American Crow
45.0 cm
Hispaniolan Palm Crow
—
翼展
American Crow
99.0 cm
Hispaniolan Palm Crow
48.8 cm
体重
American Crow
450.0 g
Hispaniolan Palm Crow
255.0 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.
Hispaniolan Palm Crow
Geographic Range & Migration
American Crow
North America from southern Canada through the United States to northern Mexico.
Hispaniolan Palm Crow
保护状况
Least Concern
American Crow
Least Concern
Hispaniolan Palm Crow
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
Hispaniolan Palm 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。