Blue Jay vs Carrion Crow
Cyanocitta cristata 对比 Corvus corone
Side-by-Side Comparison
| 属性 | Blue Jay | Carrion Crow |
|---|---|---|
| 学名 | Cyanocitta cristata | Corvus corone |
| 目 | Passeriformes | Passeriformes |
| 科 | Corvidae | Corvidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | 28.0 cm (11.0 in) | — |
| 翼展 | 42.0 cm (16.5 in) | 64.8 cm (25.5 in) |
| 体重 | 87.0 g (3.07 oz) | 527.8333333333334 g (18.62 oz) |
| 食性 | Omnivorous — nuts (especially acorns), seeds, berries, insects, and occasionally eggs or nestlings of other … | -- |
| 产卵数 | 2-7 | 4-5 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Blue Jay
Deciduous and mixed forests, parks, and suburban areas. Highly adaptable to human-modified landscapes.
Song & Call Comparison
Blue Jay
A harsh, ringing 'jaay-jaay-jaay'. Also mimics Red-tailed Hawk and other species convincingly. Gives soft, liquid 'bell' calls and gurgling whispers in flocks.
Carrion Crow
Geographic Range & Migration
Blue Jay
Eastern and central North America from southern Canada to the Gulf Coast. Some populations migrate irregularly.
Carrion Crow
保护状况
Blue Jay
Carrion Crow
How to Tell Them Apart
Blue Jay
Bright blue upperparts with black barring on the wings and tail. White face and underparts with a black necklace. Prominent blue crest.
Stout, straight black bill
Carrion Crow
About These Birds
Blue Jay
The blue jay is a bold, intelligent member of the corvid family known for its striking plumage and loud calls. Blue jays are important dispersers of oak trees, as they cache thousands of acorns each autumn. Their complex social behavior includes mimicking the calls of hawks to scare other birds from feeders.
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。