Blue Jay vs Brown-headed Crow
Cyanocitta cristata 对比 Corvus fuscicapillus
Side-by-Side Comparison
| 属性 | Blue Jay | Brown-headed Crow |
|---|---|---|
| 学名 | Cyanocitta cristata | Corvus fuscicapillus |
| 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) | 67.2 cm (26.5 in) |
| 体重 | 87.0 g (3.07 oz) | 635.0 g (22.40 oz) |
| 食性 | Omnivorous — nuts (especially acorns), seeds, berries, insects, and occasionally eggs or nestlings of other … | -- |
| 产卵数 | 2-7 | -- |
| 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.
Brown-headed Crow
Geographic Range & Migration
Blue Jay
Eastern and central North America from southern Canada to the Gulf Coast. Some populations migrate irregularly.
Brown-headed Crow
保护状况
Blue Jay
Brown-headed 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
Brown-headed 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.
Brown-headed Crow
棕头鸦（Corvus fuscicapillus）— 分布于新几内亚的乌鸦。棕色头部和黑色身体为特征。栖息于低地森林。