American Crow vs Beautiful Jay
Corvus brachyrhynchos 比較対象 Cyanolyca pulchra
Side-by-Side Comparison
| 属性 | American Crow | Beautiful Jay |
|---|---|---|
| 学名 | Corvus brachyrhynchos | Cyanolyca pulchra |
| 目 | Passeriformes | Passeriformes |
| 科 | Corvidae | Corvidae |
| 保全状況 | Least Concern | Near Threatened |
| 体長 | 45.0 cm (17.7 in) | — |
| 翼開長 | 99.0 cm (39.0 in) | 26.6 cm (10.5 in) |
| 体重 | 450.0 g (15.87 oz) | 97.25 g (3.43 oz) |
| 食性 | Highly omnivorous — insects, earthworms, seeds, fruit, eggs, nestlings, carrion, and human food waste. Among … | -- |
| 一腹卵数 | 3-7 | 2 |
| 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.
Beautiful Jay
Geographic Range & Migration
American Crow
North America from southern Canada through the United States to northern Mexico.
Beautiful Jay
保全状況
American Crow
Beautiful Jay
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
Beautiful Jay
About These Birds
American Crow
北米全域に広く分布する大型のカラス（体長40〜53cm）。全身光沢のある黒で、知性が高く強い社会性を持つ。Corvus brachyrhynchos（アメリカガラス）は北米で最もよく見られるカラスで、交通量の多い道路に堅い木の実を置いて車に割らせる「道具使用」が観察されている。Corvidae科。
Beautiful Jay
The Beautiful Jay is a rare, near-threatened jay restricted to the humid cloud forests of the western Andes in Colombia and Ecuador. It has striking brilliant blue plumage with a black mask, and is considered one of the most attractive jays. It forages in small groups in the forest canopy and midstory, feeding on insects, fruits, and small vertebrates.