Oriental Stork vs Red-crowned Crane
Ciconia boyciana 比較対象 Grus japonensis
Side-by-Side Comparison
| 属性 | Oriental Stork | Red-crowned Crane |
|---|---|---|
| 学名 | Ciconia boyciana | Grus japonensis |
| 目 | Ciconiiformes | Gruiformes |
| 科 | Ciconiidae | Gruidae |
| 保全状況 | Endangered | Endangered |
| 体長 | 115.0 cm (45.3 in) | 150.0 cm (59.1 in) |
| 翼開長 | 220.0 cm (86.6 in) | 250.0 cm (98.4 in) |
| 体重 | 5000.0 g (176.37 oz) | 8900.0 g (313.94 oz) |
| 食性 | Fish, frogs, snakes, large insects, and small mammals caught in shallow wetlands. Feeds by wading … | Omnivorous — fish, amphibians, insects, grasses, and waste grain. Forages in wetlands and agricultural fields. |
| 一腹卵数 | 2-6 | 2 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Oriental Stork
Wetlands, flooded rice paddies, rivers, and marshes. Nests on tall trees, utility poles, and artificial platforms.
Red-crowned Crane
Freshwater marshes, bogs, and wet grasslands for breeding. Winters in coastal mudflats, estuaries, and rice paddies.
Song & Call Comparison
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.
Red-crowned Crane
Spectacular unison 'bugling' call: a clear, resonant, far-carrying trumpet 'kru-ru-ru' given by paired birds simultaneously. Among the most majestic bird calls in Asia.
Geographic Range & Migration
Oriental Stork
Breeds in the Russian Far East and northeastern China. Winters in southeastern China, Japan, and Korea.
Red-crowned Crane
Eastern Asia — breeds in northeastern China, southeastern Russia, and Hokkaido, Japan. Winters in Korea and eastern China.
保全状況
Oriental Stork
Red-crowned Crane
How to Tell Them Apart
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
Red-crowned Crane
White body plumage with black secondary flight feathers and throat. Bare red crown patch. Black face and neck. One of the most elegant crane species.
Long, straight, olive-green bill
About These Birds
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.
Red-crowned Crane
The red-crowned crane is one of the rarest crane species and a potent symbol of longevity and fidelity in East Asian culture. Their elaborate unison call and dancing displays have inspired art and folklore for millennia. The resident population on Hokkaido, Japan, recovered from about 33 birds in 1952 to over 1,800 today.