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Side-by-Side Comparison

属性	Blue Bustard	Denham's Bustard
学名	Eupodotis caerulescens	Neotis denhami
目	Otidiformes	Otidiformes
科	Otididae	Otididae
保全状況	Near Threatened	Near Threatened
体長	—	—
翼開長	64.6 cm (25.4 in)	111.8 cm (44.0 in)
体重	1370.4 g (48.34 oz)	5567.75 g (196.40 oz)
食性	Feeds on insects, small vertebrates, seeds, and forbs in South African grassland. Beetles and grasshoppers …	Omnivore of African grasslands; feeds on insects, small vertebrates, seeds, and green shoots. Beetles and …
一腹卵数	1-3	1-2
Population Trend	—	—

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Habitat Comparison

共通生息地

🌾 Grassland

Blue Bustard only

None

Denham's Bustard only

None

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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.

Denham's Bustard

さえずり

Deep, resonant booming call with dramatic quality; powerful bass notes audible across open African plains.

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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.

Denham's Bustard

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

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保全状況

Near Threatened

Blue Bustard

Near Threatened

Denham's 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

Denham's Bustard

羽毛

Mangrove Cuckoo: olive-brown above; buff-orange below; long dark tail with white spots; yellow bill; black facial mask; Caribbean

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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。

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.

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