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Side-by-Side Comparison

属性	New Caledonian Nightjar	Papuan Nightjar
学名	Eurostopodus exul	Eurostopodus papuensis
目	Caprimulgiformes	Caprimulgiformes
科	Caprimulgidae	Caprimulgidae
保全状況	Not Evaluated	Least Concern
体長	—	—
翼開長	36.4 cm (14.3 in)	37.9 cm (14.9 in)
体重	77.0 g (2.72 oz)	80.5 g (2.84 oz)
食性	Feeds on flying insects caught in aerial pursuit at night; extinct in New Caledonia, diet …	Hawks large flying insects, especially moths, at night over Papuan forest and savanna.
一腹卵数	--	1
Population Trend	—	—

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Habitat Comparison

共通生息地

None

New Caledonian Nightjar only

🌾 Grassland 🏖️ Coastal

Papuan Nightjar only

🌲 Forest

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Song & Call Comparison

New Caledonian Nightjar

さえずり

Poorly documented calls; presumed churring nocturnal song similar to congeners; deep resonant trilling at low pitch; vocalizations essentially unknown

Papuan Nightjar

さえずり

Churring, repetitive nocturnal call; soft bubbling trill; melodic series of hollow notes; calls from low perch or ground in New Guinea lowland forest

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Geographic Range & Migration

New Caledonian Nightjar

Formerly endemic to New Caledonia; known from historical records only; possibly extinct, last confirmed late 19th century.

Papuan Nightjar

Resident of savanna woodland, grass, and scrub in lowland New Guinea (Papua, Indonesia and Papua New Guinea).

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保全状況

Not Evaluated

New Caledonian Nightjar

Least Concern

Papuan Nightjar

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How to Tell Them Apart

New Caledonian Nightjar

羽毛

Brown and grey mottled with buff and dark vermiculations; whitish-buff throat patch; fine pale shaft streaks on crown; no white in wings or tail; known from very few specimens; New …

Papuan Nightjar

羽毛

Dark grey-brown finely vermiculated with buff and black; pale buff and rufous throat patch; pale supercilium; no white wing patches; tail barred brown and buff; cryptically patterned bark-mimicking plumage.

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About These Birds

New Caledonian Nightjar

ニューカレドニアに生息するヨタカで、記録が少なく絶滅している可能性がある。

Papuan Nightjar

ニューギニア南部の低地に生息するヨタカで、体重81g。

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