Black-necked Crane vs Red-crowned Crane
Grus nigricollis so với Grus japonensis
Side-by-Side Comparison
| Thuộc Tính | Black-necked Crane | Red-crowned Crane |
|---|---|---|
| Tên Khoa Học | Grus nigricollis | Grus japonensis |
| Bộ | Gruiformes | Gruiformes |
| Họ | Gruidae | Gruidae |
| Tình Trạng Bảo Tồn | Near Threatened | Endangered |
| Chiều Dài | — | 150,0 cm (59.1 in) |
| Chiều Dài Sải Cánh | 115,8 cm (45.6 in) | 250,0 cm (98.4 in) |
| Khối Lượng | 6000,0 g (211.64 oz) | 8900,0 g (313.94 oz) |
| Chế Độ Ăn | -- | Omnivorous — fish, amphibians, insects, grasses, and waste grain. Forages in wetlands and agricultural fields. |
| Số Trứng | 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.
Tình Trạng Bảo Tồn
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
Black-necked Crane (Grus nigricollis) is a large 115–120 cm crane endemic to the Tibetan Plateau. White body with black neck, head, and wing tips; bare red crown. The only crane breeding on a plateau; nests above 4,000 m. Winters at lower elevations in Bhutan, India, and Yunnan. Vulnerable; population ~10,000 birds.
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.