Heinrich's Nightjar vs New Caledonian Nightjar

Eurostopodus diabolicus comparado con Eurostopodus exul

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Side-by-Side Comparison

Atributo Heinrich's Nightjar New Caledonian Nightjar
Nombre científico Eurostopodus diabolicus Eurostopodus exul
Orden Caprimulgiformes Caprimulgiformes
Familia Caprimulgidae Caprimulgidae
Estado de conservación Least Concern Not Evaluated
Longitud
Envergadura 39,9 cm (15.7 in) 36,4 cm (14.3 in)
Peso 104,0 g (3.67 oz) 77,0 g (2.72 oz)
Dieta Nocturnal aerial insectivore; catches moths and beetles in flight over Sulawesi forest; poorly known. Feeds on flying insects caught in aerial pursuit at night; extinct in New Caledonia, diet …
Tamaño de la puesta 1 --
Population Trend
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Habitat Comparison

Hábitats compartidos

Ninguno

Heinrich's Nightjar only

New Caledonian Nightjar only

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Song & Call Comparison

Heinrich's Nightjar

Canto

Haunting, hollow 'ku-WOO' repeated rhythmically; deep resonant quality; distinctive mournful whistle carrying through Sulawesi forest at night

New Caledonian Nightjar

Canto

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

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Geographic Range & Migration

Heinrich's Nightjar

Endemic to Sulawesi, Indonesia; resident of montane forest; extremely rare and poorly known, with very few records.

New Caledonian Nightjar

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

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Estado de conservación

Least Concern

Heinrich's Nightjar

Not Evaluated

New Caledonian Nightjar

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How to Tell Them Apart

Heinrich's Nightjar

Plumaje

Rufous-brown and dark brown mottled with buff vermiculations; large pale buff throat patch; pale buff supercilium; no white wing markings; tail darkly barred brown and buff. Poorly known; Sulawesi endemic.

New Caledonian Nightjar

Plumaje

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 …

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About These Birds

Heinrich's Nightjar

A medium Caprimulgidae nightjar (~104 g) endemic to the forest and forest-edge habitats of Sulawesi, Indonesia. Cryptically patterned brown-and-buff. Nocturnal insectivore; catches moths and beetles in aerial sallies. Little studied and rarely encountered in the field. Least Concern within its Sulawesi range.

New Caledonian Nightjar

A small, poorly known Caprimulgidae nightjar (~77 g) endemic to New Caledonia. Known from very few specimens; status unclear and possibly extinct. Cryptic brown-and-buff plumage. Presumed to inhabit open scrub or forest edge. Crepuscular insectivore. Not evaluated by IUCN due to scarcity of data.

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