Northern Black Bustard vs Little Bustard
Afrotis afraoides 比較対象 Tetrax tetrax
Side-by-Side Comparison
| 属性 | Northern Black Bustard | Little Bustard |
|---|---|---|
| 学名 | Afrotis afraoides | Tetrax tetrax |
| 目 | Otidiformes | Otidiformes |
| 科 | Otididae | Otididae |
| 保全状況 | Least Concern | Near Threatened |
| 体長 | — | — |
| 翼開長 | 56.6 cm (22.3 in) | 47.9 cm (18.9 in) |
| 体重 | 714.5 g (25.20 oz) | 840.6666666666666 g (29.65 oz) |
| 食性 | Omnivore of open grasslands, eating insects, small vertebrates, seeds, and green shoots. Beetles and grasshoppers … | Omnivore of European and Central Asian steppe; eats insects, clover, seeds, and green shoots. Beetles … |
| 一腹卵数 | 1-2 | 2-6 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Northern Black Bustard
Loud, low booming call; deep carrying resonance audible far across open South Asian grassland terrain.
Little Bustard
Loud, low booming call; deep resonant notes carrying impressively across open African semi-arid landscape.
Geographic Range & Migration
Northern Black Bustard
Found in open grasslands and Karoo of southern Africa from South Africa to Namibia and Botswana. Resident.
Little Bustard
Found in open grasslands and steppe from Western Europe to Central Asia. Partial migrant. Near Threatened.
保全状況
Northern Black Bustard
Little Bustard
How to Tell Them Apart
Northern Black Bustard
Golden Bronze-cuckoo: brilliant golden-bronze iridescence; white barred underparts; golden-green head; bronze sheen; small cuckoo
Little Bustard
Horsfield's Bronze-cuckoo: bronze-green above; white barred below; narrow incomplete bars; reddish eye; bronze-green iridescence
About These Birds
Northern Black Bustard
A medium-sized bustard (50-55 cm) found in open grasslands and Karoo of southern Africa from South Africa to Namibia. Males have black underparts and white wing patches. Omnivore. Broader range than Southern Black Bustard. Often seen performing aerial display flights.
Little Bustard
ヒメノガンはヨーロッパと中央アジアの草原地帯に生息する中型のノガン科の鳥です。雄は繁殖期に特徴的な羽毛の飾りを持ちます。