Common Raven vs Banggai Crow
Corvus corax 比較対象 Corvus unicolor
Side-by-Side Comparison
| 属性 | Common Raven | Banggai Crow |
|---|---|---|
| 学名 | Corvus corax | Corvus unicolor |
| 目 | Passeriformes | Passeriformes |
| 科 | Corvidae | Corvidae |
| 保全状況 | Least Concern | Critically Endangered |
| 体長 | 63.0 cm (24.8 in) | — |
| 翼開長 | 130.0 cm (51.2 in) | 40.2 cm (15.8 in) |
| 体重 | 1200.0 g (42.33 oz) | 175.0 g (6.17 oz) |
| 食性 | Omnivorous and opportunistic — carrion, small animals, insects, eggs, grain, fruit, and human refuse. Among … | -- |
| 一腹卵数 | 1-8 | 1-3 |
| 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.
Banggai Crow
Geographic Range & Migration
Common Raven
Holarctic distribution across North America, Europe, Asia, and North Africa. The most widely distributed corvid.
Banggai Crow
保全状況
Common Raven
Banggai Crow
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
Banggai Crow
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。
Banggai Crow
The Banggai Crow is a Critically Endangered corvid of the family Corvidae found only on Peleng Island in Indonesia. Weighing about 175g with a wingspan of 40.2cm, it is a large all-black crow restricted to one of the world's smallest ranges for any corvid. Deforestation and hunting have reduced its population to critically low numbers.