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Side-by-Side Comparison

属性	Blue Bustard	White-bellied Bustard
学名	Eupodotis caerulescens	Eupodotis senegalensis
目	Otidiformes	Otidiformes
科	Otididae	Otididae
保全状況	Near Threatened	Least Concern
体長	—	—
翼開長	64.6 cm (25.4 in)	54.1 cm (21.3 in)
体重	1370.4 g (48.34 oz)	934.0 g (32.95 oz)
食性	Feeds on insects, small vertebrates, seeds, and forbs in South African grassland. Beetles and grasshoppers …	Omnivore of African savanna; eats insects, small vertebrates, seeds, and green shoots. Beetles and grasshoppers …
一腹卵数	1-3	1-3
Population Trend	—	—

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Habitat Comparison

共通生息地

🌾 Grassland

Blue Bustard only

None

White-bellied Bustard only

🌿 Wetland

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Song & Call Comparison

Blue Bustard

さえずり

Loud, low booming call; deep resonant notes carrying impressively across open dry savanna at dawn. Vocalization pattern typical of this species in its native habitat.

White-bellied Bustard

さえずり

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

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Geographic Range & Migration

Blue Bustard

Endemic to the grasslands of southern South Africa from the Eastern Cape to KwaZulu-Natal. Near Threatened.

White-bellied Bustard

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

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保全状況

Near Threatened

Blue Bustard

Least Concern

White-bellied Bustard

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How to Tell Them Apart

Blue Bustard

羽毛

Jamaican Lizard-cuckoo: brown above; rufous below; very long graduated tail; red orbital ring; yellow bill; Jamaica endemic species

White-bellied Bustard

羽毛

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

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About These Birds

Blue Bustard

南アフリカの草地に生息するノガンで、青灰色の羽毛が特徴。準絶滅危惧種に指定されている。

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。

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