Common Raven vs Oriental Stork
Corvus corax 比較対象 Ciconia boyciana
Side-by-Side Comparison
| 属性 | Common Raven | Oriental Stork |
|---|---|---|
| 学名 | Corvus corax | Ciconia boyciana |
| 目 | Passeriformes | Ciconiiformes |
| 科 | Corvidae | Ciconiidae |
| 保全状況 | Least Concern | Endangered |
| 体長 | 63.0 cm (24.8 in) | 115.0 cm (45.3 in) |
| 翼開長 | 130.0 cm (51.2 in) | 220.0 cm (86.6 in) |
| 体重 | 1200.0 g (42.33 oz) | 5000.0 g (176.37 oz) |
| 食性 | Omnivorous and opportunistic — carrion, small animals, insects, eggs, grain, fruit, and human refuse. Among … | Fish, frogs, snakes, large insects, and small mammals caught in shallow wetlands. Feeds by wading … |
| 一腹卵数 | 1-8 | 2-6 |
| 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.
Oriental Stork
Wetlands, flooded rice paddies, rivers, and marshes. Nests on tall trees, utility poles, and artificial platforms.
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.
Oriental Stork
Essentially silent like all storks; produces loud mechanical bill-clattering at the nest as a greeting display. Chicks beg with hissing and squeaking. Rarely vocalizes otherwise.
Geographic Range & Migration
Common Raven
Holarctic distribution across North America, Europe, Asia, and North Africa. The most widely distributed corvid.
Oriental Stork
Breeds in the Russian Far East and northeastern China. Winters in southeastern China, Japan, and Korea.
保全状況
Common Raven
Oriental Stork
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
Oriental Stork
White body plumage with black flight feathers. Red bare skin around the eye and black bill distinguish it from the white stork. Pinkish-red legs.
Long, thick, straight, black bill
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。
Oriental Stork
The oriental stork is one of the most endangered stork species, with fewer than 3,000 individuals remaining in the wild. It was once widespread across East Asia but declined dramatically due to wetland drainage and pesticide use. Reintroduction programs in Japan and Korea have achieved notable success.