Arabian Bustard vs Great Indian Bustard
Ardeotis arabs 比較対象 Ardeotis nigriceps
Side-by-Side Comparison
| 属性 | Arabian Bustard | Great Indian Bustard |
|---|---|---|
| 学名 | Ardeotis arabs | Ardeotis nigriceps |
| 目 | Otidiformes | Otidiformes |
| 科 | Otididae | Otididae |
| 保全状況 | Near Threatened | Critically Endangered |
| 体長 | — | — |
| 翼開長 | 107.9 cm (42.5 in) | 123.7 cm (48.7 in) |
| 体重 | 6733.333333333333 g (237.51 oz) | 8187.5 g (288.81 oz) |
| 食性 | Omnivore of arid grasslands and semi-desert; takes insects, small lizards, seeds, and green shoots. Locusts … | Critically endangered; feeds on insects, small vertebrates, seeds, and shoots in Indian grasslands. Beetles and … |
| 一腹卵数 | 1-2 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Arabian Bustard
Deep, resonant booming call with carrying quality; powerful bass notes audible at impressive range across open savanna.
Great Indian Bustard
Deep, resonant booming call; powerful bass notes carrying remarkably far across open flat Australian landscape.
Geographic Range & Migration
Arabian Bustard
Found in dry grasslands and semi-desert across North Africa and the Arabian Peninsula. Resident and nomadic.
Great Indian Bustard
Formerly widespread across the Indian subcontinent. Now restricted to western Rajasthan and Gujarat. Critically Endangered.
保全状況
Arabian Bustard
Great Indian Bustard
About These Birds
Arabian Bustard
北アフリカとアラビア半島の乾燥した草地や半砂漠に生息する非常に大型のノガン（体長最大90cm、体重7〜15kg）。砂褐色の羽毛と特徴的な黒い頭冠を持つ。乾燥した開けた生息地に住む雑食者。狩猟と生息地喪失により準絶滅危惧に分類。
Great Indian Bustard
かつてインド亜大陸全域に広く分布していた非常に大型のノガン（体長最大120cm、体重8〜18kg）。砂褐色の羽毛と黒い頭冠を持つ。残存個体数150羽未満の深刻な絶滅危惧種。かつては乾燥した草地に普通に見られたが、生息地喪失と電線への衝突によってほぼ絶滅寸前。