Karoo Bustard vs Denham's Bustard
Heterotetrax vigorsii 比較対象 Neotis denhami
Side-by-Side Comparison
| 属性 | Karoo Bustard | Denham's Bustard |
|---|---|---|
| 学名 | Heterotetrax vigorsii | Neotis denhami |
| 目 | Otidiformes | Otidiformes |
| 科 | Otididae | Otididae |
| 保全状況 | Least Concern | Near Threatened |
| 体長 | — | — |
| 翼開長 | 68.4 cm (26.9 in) | 111.8 cm (44.0 in) |
| 体重 | 1560.0 g (55.03 oz) | 5567.75 g (196.40 oz) |
| 食性 | Omnivore of open grasslands, eating insects, small vertebrates, seeds, and green shoots. Beetles and grasshoppers … | Omnivore of African grasslands; feeds on insects, small vertebrates, seeds, and green shoots. Beetles and … |
| 一腹卵数 | 1-2 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Karoo Bustard
Loud, low booming call; deep bass resonance carrying well across open dry African plains and grassland.
Denham's Bustard
Deep, resonant booming call with dramatic quality; powerful bass notes audible across open African plains.
Geographic Range & Migration
Karoo Bustard
Endemic to the Karoo semi-desert of southern South Africa and southern Namibia. Resident in arid scrubland.
Denham's Bustard
Found in grasslands and savanna across sub-Saharan Africa from Senegal to South Africa. Resident.
保全状況
Karoo Bustard
Denham's Bustard
How to Tell Them Apart
Karoo Bustard
Cuban Lizard-cuckoo: brown above; buff below; very long graduated tail; red facial skin; yellow bill; Cuba endemic species; slender
Denham's Bustard
Mangrove Cuckoo: olive-brown above; buff-orange below; long dark tail with white spots; yellow bill; black facial mask; Caribbean
About These Birds
Karoo Bustard
ボーリーズノガン（Heterotetrax vigorsii）は南アフリカの乾燥草原・カルー・低木地に生息するノガン科の中型ノガン（体長45〜55 cm）。縞模様の褐色と黒の羽衣が特徴。現地のカルー生態系の固有種。絶滅危惧種；農業・生息地の転換が脅威。
Denham's Bustard
A large bustard (80-116 cm) found in grasslands and savanna across sub-Saharan Africa. Brown plumage with grey neck and rufous hindneck patch. Omnivore. Named after Major Dixon Denham. The most widespread large bustard in Africa.