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Side-by-Side Comparison

属性	White-bellied Bustard	Rüppell's Bustard
学名	Eupodotis senegalensis	Heterotetrax rueppelii
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)	63.1 cm (24.8 in)
体重	934.0 g (32.95 oz)	1129.0 g (39.82 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

None

White-bellied Bustard only

🌿 Wetland 🌾 Grassland

Rüppell's Bustard only

🏜️ Desert

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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.

Rüppell's Bustard

さえずり

Loud, grating bark with rough guttural quality; deep carrying calls audible across open African hillside.

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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.

Rüppell's Bustard

Found in the arid Namib desert and adjacent regions of southwestern Africa. A Namibian near-endemic.

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保全状況

Least Concern

White-bellied Bustard

Least Concern

Rüppell's 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

Rüppell's Bustard

羽毛

Thick-billed Cuckoo (Pachycoccyx): dark brown above; pale buffy below; heavy bill; long graduated dark tail; Old World species

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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。

Rüppell's Bustard

リュッペルノガン（Heterotetrax rueppelii）はアフリカ東部・南アフリカの乾燥草原・サバンナに生息するノガン科の中型ノガン（体長45〜55 cm）。縞模様の褐色の羽衣と白い腹面が特徴。開けた乾燥地の専門種。

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