Arabian Bustard vs Little Brown Bustard
Ardeotis arabs 比較対象 Heterotetrax humilis
Side-by-Side Comparison
| 属性 | Arabian Bustard | Little Brown Bustard |
|---|---|---|
| 学名 | Ardeotis arabs | Heterotetrax humilis |
| 目 | Otidiformes | Otidiformes |
| 科 | Otididae | Otididae |
| 保全状況 | Near Threatened | Near Threatened |
| 体長 | — | — |
| 翼開長 | 107.9 cm (42.5 in) | 46.5 cm (18.3 in) |
| 体重 | 6733.333333333333 g (237.51 oz) | 700.0 g (24.69 oz) |
| 食性 | Omnivore of arid grasslands and semi-desert; takes insects, small lizards, seeds, and green shoots. Locusts … | Omnivore of open grasslands, eating insects, small vertebrates, seeds, and green shoots. Beetles and grasshoppers … |
| 一腹卵数 | 1-2 | 2-3 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Arabian Bustard
さえずり
Deep, resonant booming call with carrying quality; powerful bass notes audible at impressive range across open savanna.
Little Brown Bustard
さえずり
Loud, grating bark with deep resonant character; carrying calls audible across open dry Southern African plains.
Geographic Range & Migration
Arabian Bustard
Found in dry grasslands and semi-desert across North Africa and the Arabian Peninsula. Resident and nomadic.
Little Brown Bustard
Found in the Horn of Africa from Ethiopia to Somalia. Resident in semi-arid grasslands. Near Threatened.
保全状況
Near Threatened
Arabian Bustard
Near Threatened
Little Brown 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。
Little Brown Bustard
タスマニアノガン（Heterotetrax humilis）は現在エチオピア・南スーダン・ウガンダのアフリカの角周辺の草原に生息するノガン科の小型ノガン（体長40〜45 cm）。暗褐色の縞模様の羽衣。ブッシュ・短草の草原の専門種。世界個体数は少ない。