Sombre Nightjar vs Papuan Nightjar
Caprimulgus fraenatus compared with Eurostopodus papuensis
Side-by-Side Comparison
| Attribute | Sombre Nightjar | Papuan Nightjar |
|---|---|---|
| Scientific Name | Caprimulgus fraenatus | Eurostopodus papuensis |
| Order | Caprimulgiformes | Caprimulgiformes |
| Family | Caprimulgidae | Caprimulgidae |
| Conservation Status | Least Concern | Least Concern |
| Length | — | — |
| Wingspan | 32.4 cm (12.8 in) | 37.9 cm (14.9 in) |
| Weight | 60.0 g (2.12 oz) | 80.5 g (2.84 oz) |
| Diet | Feeds at night on flying insects including moths and beetles; hunts with buoyant erratic flight … | Hawks large flying insects, especially moths, at night over Papuan forest and savanna. |
| Clutch Size | 1-2 | 1 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Sombre Nightjar
Monotonous churring trill; repetitive 'churr' at moderate tempo from East African scrub; lower-pitched and less musical than some relatives; calls persistently at night
Papuan Nightjar
Churring, repetitive nocturnal call; soft bubbling trill; melodic series of hollow notes; calls from low perch or ground in New Guinea lowland forest
Geographic Range & Migration
Sombre Nightjar
Found across East Africa from Ethiopia and Somalia south to Tanzania. Resident in dry acacia scrub, thornbush, and arid savanna at low elevations.
Papuan Nightjar
Resident of savanna woodland, grass, and scrub in lowland New Guinea (Papua, Indonesia and Papua New Guinea).
Conservation Status
Sombre Nightjar
Papuan Nightjar
How to Tell Them Apart
Sombre Nightjar
Uniformly dark sooty-brown upperparts with dense blackish vermiculations; pale buff supercilium and narrow white submoustachial stripe; underparts barred buff and dark brown. Sexes similar.
Papuan Nightjar
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.
About These Birds
Sombre Nightjar
A medium-sized nightjar (23-25 cm) with cryptic grey-brown plumage and a pale collar. Nocturnal and insectivorous, hawking moths and beetles in flight. Found in open woodland and savanna across sub-Saharan Africa from Ethiopia to South Africa. Resident or short-distance migrant.
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.