Mees's Nightjar vs Papuan Nightjar

Caprimulgus meesi compared with Eurostopodus papuensis

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Side-by-Side Comparison

Attribute Mees's Nightjar Papuan Nightjar
Scientific Name Caprimulgus meesi Eurostopodus papuensis
Order Caprimulgiformes Caprimulgiformes
Family Caprimulgidae Caprimulgidae
Conservation Status Least Concern Least Concern
Length
Wingspan 33.6 cm (13.2 in) 37.9 cm (14.9 in)
Weight 66.2 g (2.34 oz) 80.5 g (2.84 oz)
Diet Crepuscular and nocturnal aerial insectivore; pursues moths and flying beetles over grassland and woodland margins. Hawks large flying insects, especially moths, at night over Papuan forest and savanna.
Clutch Size -- 1
Population Trend
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Habitat Comparison

Shared Habitats

Mees's Nightjar only

Papuan Nightjar only

None

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Song & Call Comparison

Mees's Nightjar

Song

Churring trill from Wallacean islands; repetitive hollow call; closely related to Large-tailed Nightjar; calls from coastal scrub and open woodland at dusk

Papuan Nightjar

Song

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

Mees's Nightjar

Endemic to the Lesser Sunda Islands of Indonesia, primarily Timor. Resident in lowland forest, open woodland, and savanna.

Papuan Nightjar

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

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Conservation Status

Least Concern

Mees's Nightjar

Least Concern

Papuan Nightjar

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How to Tell Them Apart

Mees's Nightjar

Plumage

Brown-grey upperparts with blackish crown streaks and pale buff mottling; buff-white supercilium; white chin patch; underparts barred pale buff and brown; closely resembles Large-tailed Nightjar but marginally paler.

Papuan Nightjar

Plumage

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

Mees's Nightjar

A recently split nightjar (24-26 cm) from the Lesser Sunda Islands of Indonesia. Closely related to the Large-tailed Nightjar but with subtly different vocalizations and plumage tones. Nocturnal insectivore of lowland forests and forest edges.

Papuan Nightjar

A small Caprimulgidae nightjar (~81 g) of lowland savanna, grassland, and forest edges across the southern lowlands of New Guinea. Cryptic buff-and-brown plumage; white-spotted wings visible in flight. Nocturnal aerial insectivore. Commonly heard at night but rarely seen by day. Least Concern.

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