Australian Bustard vs Great Bustard
Ardeotis australis 比較対象 Otis tarda
Side-by-Side Comparison
| 属性 | Australian Bustard | Great Bustard |
|---|---|---|
| 学名 | Ardeotis australis | Otis tarda |
| 目 | Otidiformes | Otidiformes |
| 科 | Otididae | Otididae |
| 保全状況 | Least Concern | Endangered |
| 体長 | — | — |
| 翼開長 | 118.5 cm (46.7 in) | 110.2 cm (43.4 in) |
| 体重 | 4570.0 g (161.20 oz) | 8100.0 g (285.72 oz) |
| 食性 | Omnivore of Australian open country; eats insects, small reptiles, seeds, and green vegetation. Beetles, locusts, … | Omnivore of open steppes; eats insects, small vertebrates, green shoots, and seeds. Beetles, grasshoppers, and … |
| 一腹卵数 | 1-3 | 2-3 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Australian Bustard
Loud, low booming call with hollow quality; deep resonant sound carrying across open African semi-desert terrain.
Great Bustard
Deep, resonant booming call; powerful bass notes audible at great distance across open semi-arid plains.
Geographic Range & Migration
Australian Bustard
Found across open grasslands and woodland of Australia, including arid interior regions. Resident and nomadic.
Great Bustard
Found in open grasslands and steppes across Eurasia from Iberia to China. Partial migrant. Classified as Vulnerable.
保全状況
Australian Bustard
Great Bustard
About These Birds
Australian Bustard
オーストラリアの開けた草地と疎林に生息する大型のノガン（体長最大120cm、体重3〜8kg）。砂褐色の羽毛と黒い頭冠・頸の模様を持つ。オーストラリア最重の飛翔可能な鳥。草地に生息する雑食者。雄は求愛の際に印象的な風船状の喉の演示を行う。
Great Bustard
The heaviest flying bird in Europe (7-18 kg, up to 105 cm) with a massive grey-brown body and white underparts. Males have prominent whisker-like feathers. Found in open grasslands and steppes across Eurasia. Omnivore. Long-distance migrant. Classified as Vulnerable due to habitat loss.