Common Raven vs Tufted Jay
Corvus corax 比較対象 Cyanocorax dickeyi
Side-by-Side Comparison
| 属性 | Common Raven | Tufted Jay |
|---|---|---|
| 学名 | Corvus corax | Cyanocorax dickeyi |
| 目 | Passeriformes | Passeriformes |
| 科 | Corvidae | Corvidae |
| 保全状況 | Least Concern | Near Threatened |
| 体長 | 63.0 cm (24.8 in) | — |
| 翼開長 | 130.0 cm (51.2 in) | 34.6 cm (13.6 in) |
| 体重 | 1200.0 g (42.33 oz) | 178.5 g (6.30 oz) |
| 食性 | Omnivorous and opportunistic — carrion, small animals, insects, eggs, grain, fruit, and human refuse. Among … | -- |
| 一腹卵数 | 1-8 | 2-5 |
| Population Trend | — | — |
Size Comparison
Body Length
Common Raven
63.0 cm
Tufted Jay
—
翼開長
Common Raven
130.0 cm
Tufted Jay
34.6 cm
体重
Common Raven
1200.0 g
Tufted Jay
178.5 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.
Tufted Jay
Geographic Range & Migration
Common Raven
Holarctic distribution across North America, Europe, Asia, and North Africa. The most widely distributed corvid.
Tufted Jay
保全状況
Least Concern
Common Raven
Near Threatened
Tufted 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
Tufted 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。