Brolga vs Red-crowned Crane
Grus rubicunda 比較対象 Grus japonensis
Side-by-Side Comparison
| 属性 | Brolga | Red-crowned Crane |
|---|---|---|
| 学名 | Grus rubicunda | 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 | — | 250.0 cm (98.4 in) |
| 体重 | 6093.25 g (214.93 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
Brolga
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
Brolga
Red-crowned Crane
Eastern Asia — breeds in northeastern China, southeastern Russia, and Hokkaido, Japan. Winters in Korea and eastern China.
保全状況
Brolga
Red-crowned Crane
How to Tell Them Apart
Brolga
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
Brolga
ブロルガ(Grus rubicunda)はオーストラリア唯一の在来ヅルで、体長100〜130 cm。灰色の体に頭部の裸出した赤い皮膚、灰色の肉垂。オーストラリア北部・東部の開けた熱帯・亜熱帯草原、氾濫原、湿地に生息。繁殖期には壮観な集団ディスプレイを行う。
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.