Black-necked Crane vs Red-crowned Crane
Grus nigricollis 对比 Grus japonensis
Side-by-Side Comparison
| 属性 | Black-necked Crane | Red-crowned Crane |
|---|---|---|
| 学名 | Grus nigricollis | Grus japonensis |
| 目 | Gruiformes | Gruiformes |
| 科 | Gruidae | Gruidae |
| 保护状况 | Near Threatened | Endangered |
| 体长 | — | 150.0 cm (59.1 in) |
| 翼展 | 115.8 cm (45.6 in) | 250.0 cm (98.4 in) |
| 体重 | 6000.0 g (211.64 oz) | 8900.0 g (313.94 oz) |
| 食性 | -- | Omnivorous — fish, amphibians, insects, grasses, and waste grain. Forages in wetlands and agricultural fields. |
| 产卵数 | 2 | 2 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Red-crowned Crane
Freshwater marshes, bogs, and wet grasslands for breeding. Winters in coastal mudflats, estuaries, and rice paddies.
Song & Call Comparison
Black-necked Crane
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
Black-necked Crane
Red-crowned Crane
Eastern Asia — breeds in northeastern China, southeastern Russia, and Hokkaido, Japan. Winters in Korea and eastern China.
保护状况
Black-necked Crane
Red-crowned Crane
How to Tell Them Apart
Black-necked Crane
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
Black-necked Crane
黑颈鹤是唯一生活在高原地带的鹤类，主要分布于中国青藏高原和云贵高原。颈部和头部黑色，体羽灰白，尾部黑色。在高海拔湿地繁殖，冬季迁至低海拔河谷越冬。以植物根茎、昆虫和小型动物为食，被列为易危物种。
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.