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Side-by-Side Comparison

属性	African Houbara	Karoo Bustard
学名	Chlamydotis undulata	Heterotetrax vigorsii
目	Otidiformes	Otidiformes
科	Otididae	Otididae
保全状況	Vulnerable	Least Concern
体長	—	—
翼開長	72.9 cm (28.7 in)	68.4 cm (26.9 in)
体重	1875.0 g (66.14 oz)	1560.0 g (55.03 oz)
食性	Omnivore of North African desert; feeds on insects, small lizards, seeds, and succulent plant material. …	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

African Houbara only

🏜️ Desert

Karoo Bustard only

None

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Song & Call Comparison

African Houbara

さえずり

Loud, low booming call with hollow quality; deep resonant sound carrying across open Asian semi-arid terrain.

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

African Houbara

Found in semi-arid grasslands and steppe of North Africa from Morocco to Egypt. Resident and partial migrant.

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

Vulnerable

African Houbara

Least Concern

Karoo Bustard

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How to Tell Them Apart

African Houbara

羽毛

Dark-billed Cuckoo: dark bill; dark brown above; pale buff below; graduated tail; South American relative of Black-billed 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

African Houbara

モロッコからエジプトの北アフリカ半乾燥草地とステップに生息する中型ノガン（55〜65 cm）。精巧な黒い模様を持つ砂バフ色の羽衣。雑食性。脆弱種に分類。

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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