Common Crane vs Red-crowned Crane
Grus grus 比較対象 Grus japonensis
Side-by-Side Comparison
| 属性 | Common Crane | Red-crowned Crane |
|---|---|---|
| 学名 | Grus grus | Grus japonensis |
| 目 | Gruiformes | Gruiformes |
| 科 | Gruidae | Gruidae |
| 保全状況 | Least Concern | Endangered |
| 体長 | — | 150.0 cm (59.1 in) |
| 翼開長 | 108.1 cm (42.6 in) | 250.0 cm (98.4 in) |
| 体重 | 5420.0 g (191.19 oz) | 8900.0 g (313.94 oz) |
| 食性 | -- | Omnivorous — fish, amphibians, insects, grasses, and waste grain. Forages in wetlands and agricultural fields. |
| 一腹卵数 | 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
Common 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
Common Crane
Red-crowned Crane
Eastern Asia — breeds in northeastern China, southeastern Russia, and Hokkaido, Japan. Winters in Korea and eastern China.
保全状況
Common Crane
Red-crowned Crane
How to Tell Them Apart
Common 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
Common Crane
ヨーロッパカナダヅル（Grus grus）はユーラシア大陸に生息する大型のツル（体長100〜130 cm）。灰色の体に黒と白の頭部模様、裸出した赤い冠、垂れ下がる飾り羽。翼幅240 cmに達する。スカンジナビアからシベリアにかけて繁殖し、スペイン・アフリカ・インド・中国で越冬。大規模な渡りの群れを形成。穀物・根・無脊椎動物を食べる。
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.