Little Brown Bustard vs Denham's Bustard
Heterotetrax humilis 比較対象 Neotis denhami
Side-by-Side Comparison
| 属性 | Little Brown Bustard | Denham's Bustard |
|---|---|---|
| 学名 | Heterotetrax humilis | Neotis denhami |
| 目 | Otidiformes | Otidiformes |
| 科 | Otididae | Otididae |
| 保全状況 | Near Threatened | Near Threatened |
| 体長 | — | — |
| 翼開長 | 46.5 cm (18.3 in) | 111.8 cm (44.0 in) |
| 体重 | 700.0 g (24.69 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 | 2-3 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Little Brown Bustard
Loud, grating bark with deep resonant character; carrying calls audible across open dry Southern African plains.
Denham's Bustard
Deep, resonant booming call with dramatic quality; powerful bass notes audible across open African plains.
Geographic Range & Migration
Little Brown Bustard
Found in the Horn of Africa from Ethiopia to Somalia. Resident in semi-arid grasslands. Near Threatened.
Denham's Bustard
Found in grasslands and savanna across sub-Saharan Africa from Senegal to South Africa. Resident.
保全状況
Little Brown Bustard
Denham's Bustard
How to Tell Them Apart
Little Brown Bustard
Black-billed Koel (Microdynamis): black bill; males glossy black; females brown-barred; long tail; red eye; New Guinea koel
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
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。
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.