Common Raven vs Black-throated Jay
Corvus corax 比較対象 Cyanolyca pumilo
Side-by-Side Comparison
| 属性 | Common Raven | Black-throated Jay |
|---|---|---|
| 学名 | Corvus corax | Cyanolyca pumilo |
| 目 | Passeriformes | Passeriformes |
| 科 | Corvidae | Corvidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | 63.0 cm (24.8 in) | — |
| 翼開長 | 130.0 cm (51.2 in) | 23.5 cm (9.3 in) |
| 体重 | 1200.0 g (42.33 oz) | 52.5 g (1.85 oz) |
| 食性 | Omnivorous and opportunistic — carrion, small animals, insects, eggs, grain, fruit, and human refuse. Among … | -- |
| 一腹卵数 | 1-8 | -- |
| Population Trend | — | — |
Size Comparison
Body Length
Common Raven
63.0 cm
Black-throated Jay
—
翼開長
Common Raven
130.0 cm
Black-throated Jay
23.5 cm
体重
Common Raven
1200.0 g
Black-throated Jay
52.5 g
Habitat Comparison
Common Raven
Diverse habitats from Arctic tundra to deserts, mountains, forests, and coastlines. Avoids dense urban areas but thrives near human activity.
Song & Call Comparison
Common Raven
さえずり
Highly varied: deep resonant 'kraa-kraa-kraa', hollow 'tok-tok', liquid 'klonk', and wing-whooshing. Among the most intelligent corvid callers; uses calls contextually in groups.
Black-throated Jay
Geographic Range & Migration
Common Raven
Holarctic distribution across North America, Europe, Asia, and North Africa. The most widely distributed corvid.
Black-throated Jay
保全状況
Least Concern
Common Raven
Least Concern
Black-throated Jay
How to Tell Them Apart
Common Raven
羽毛
All black with a glossy purplish-blue iridescent sheen. Shaggy throat hackles, long wedge-shaped tail, and large robust build distinguish it from crows.
くちばし
Large, powerful, curved black bill
Black-throated Jay
About These Birds
Common Raven
ワタリガラス（Corvus corax）— 北半球に広く分布する最大のスズメ目の鳥。高い知性をもち、道具を使うことや問題解決能力が知られている。