Common Raven vs Eurasian Jay
Corvus corax 比較対象 Garrulus glandarius
Side-by-Side Comparison
| 属性 | Common Raven | Eurasian Jay |
|---|---|---|
| 学名 | Corvus corax | Garrulus glandarius |
| 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) | 36.2 cm (14.3 in) |
| 体重 | 1200.0 g (42.33 oz) | 161.33333333333334 g (5.69 oz) |
| 食性 | Omnivorous and opportunistic — carrion, small animals, insects, eggs, grain, fruit, and human refuse. Among … | -- |
| 一腹卵数 | 1-8 | 3-10 |
| Population Trend | — | — |
Size Comparison
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
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.
Eurasian Jay
Geographic Range & Migration
Common Raven
Holarctic distribution across North America, Europe, Asia, and North Africa. The most widely distributed corvid.
Eurasian Jay
保全状況
Common Raven
Eurasian Jay
How to Tell Them Apart
Common Raven
All black with a glossy purplish-blue iridescent sheen. Shaggy throat hackles, long wedge-shaped tail, and large robust build distinguish it from crows.
Large, powerful, curved black bill
Eurasian 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。
Eurasian Jay
ヨーロッパからアジアにかけての森林に広く分布するカラスの仲間（体長32〜35cm）。ピンク褐色の体に黒・白・青のモザイク模様の翼が美しい。Garrulus glandarius（カケス）はドングリを冬のために埋めて貯蔵する行動が有名で、埋めたドングリを忘れることによって森林更新に貢献する。日本のカケスは亜種として生息。Corvidae科。