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Side-by-Side Comparison

属性	White-bellied Bustard	Karoo Bustard
学名	Eupodotis senegalensis	Heterotetrax vigorsii
目	Otidiformes	Otidiformes
科	Otididae	Otididae
保全状況	Least Concern	Least Concern
体長	—	—
翼開長	54.1 cm (21.3 in)	68.4 cm (26.9 in)
体重	934.0 g (32.95 oz)	1560.0 g (55.03 oz)
食性	Omnivore of African savanna; eats insects, small vertebrates, seeds, and green shoots. Beetles and grasshoppers …	Omnivore of open grasslands, eating insects, small vertebrates, seeds, and green shoots. Beetles and grasshoppers …
一腹卵数	1-3	1-2
Population Trend	—	—

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Habitat Comparison

共通生息地

🌾 Grassland

White-bellied Bustard only

🌿 Wetland

Karoo Bustard only

None

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Song & Call Comparison

White-bellied Bustard

さえずり

Loud, low booming call; resonant bass notes carrying across open grassland habitat with remarkable power.

Karoo Bustard

さえずり

Loud, low booming call; deep bass resonance carrying well across open dry African plains and grassland.

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Geographic Range & Migration

White-bellied Bustard

Found in savanna grasslands across sub-Saharan Africa from Senegal to Ethiopia and south to South Africa. Resident.

Karoo Bustard

Endemic to the Karoo semi-desert of southern South Africa and southern Namibia. Resident in arid scrubland.

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保全状況

Least Concern

White-bellied Bustard

Least Concern

Karoo Bustard

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How to Tell Them Apart

White-bellied Bustard

羽毛

Hispaniolan Lizard-cuckoo: brown above; rufous-buff below; long tail; red facial skin; yellow bill; Hispaniola endemic lizard-cuckoo

Karoo Bustard

羽毛

Cuban Lizard-cuckoo: brown above; buff below; very long graduated tail; red facial skin; yellow bill; Cuba endemic species; slender

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About These Birds

White-bellied Bustard

サハラ以南のアフリカに生息するノガンで、砂茶色の羽毛と白い腹部が特徴。

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。

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