Common Raven vs Beautiful Jay
Corvus corax 比較対象 Cyanolyca pulchra
Side-by-Side Comparison
| 属性 | Common Raven | Beautiful Jay |
|---|---|---|
| 学名 | Corvus corax | Cyanolyca pulchra |
| 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) | 26.6 cm (10.5 in) |
| 体重 | 1200.0 g (42.33 oz) | 97.25 g (3.43 oz) |
| 食性 | Omnivorous and opportunistic — carrion, small animals, insects, eggs, grain, fruit, and human refuse. Among … | -- |
| 一腹卵数 | 1-8 | 2 |
| 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.
Beautiful Jay
Geographic Range & Migration
Common Raven
Holarctic distribution across North America, Europe, Asia, and North Africa. The most widely distributed corvid.
Beautiful Jay
保全状況
Common Raven
Beautiful 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
Beautiful 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。
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.