White-throated Nightjar vs Papuan Nightjar
Eurostopodus mystacalis comparé à Eurostopodus papuensis
Side-by-Side Comparison
| Attribut | White-throated Nightjar | Papuan Nightjar |
|---|---|---|
| Nom scientifique | Eurostopodus mystacalis | Eurostopodus papuensis |
| Ordre | Caprimulgiformes | Caprimulgiformes |
| Famille | Caprimulgidae | Caprimulgidae |
| Statut de conservation | Least Concern | Least Concern |
| Longueur | — | — |
| Envergure | 50,4 cm (19.8 in) | 37,9 cm (14.9 in) |
| Poids | 138,25 g (4.88 oz) | 80,5 g (2.84 oz) |
| Régime alimentaire | Catches large flying insects, especially moths and beetles, in aerial sallies over Australian and Pacific … | Hawks large flying insects, especially moths, at night over Papuan forest and savanna. |
| Taille de la couvée | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Habitats partagés
White-throated Nightjar only
Papuan Nightjar only
Aucun(e)
Song & Call Comparison
White-throated Nightjar
Resonant, churring song; rapid 'good-lord-deliver-us' or 'chaw-chaw-chaw'; low, bubbling trill carrying through rainforest; softer than related species
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
White-throated Nightjar
Resident of open woodland and scrub in eastern and northern Australia; also found on offshore islands and in southern New Guinea.
Papuan Nightjar
Resident of savanna woodland, grass, and scrub in lowland New Guinea (Papua, Indonesia and Papua New Guinea).
Statut de conservation
White-throated Nightjar
Papuan Nightjar
How to Tell Them Apart
White-throated Nightjar
Grey-brown with rufous and black mottling; large bold white throat patch distinctive; no white wing spots or tail markings; well-camouflaged on bark. Male and female similar; one of the larger …
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
White-throated Nightjar
A large Caprimulgidae nightjar (~138 g) of open forest and woodland in eastern Australia and coastal New Guinea. A white throat patch contrasts with cryptic brown-patterned plumage. Roosts on the ground or along branches by day; hunts moths and large beetles at night. Partially migratory in southeast Australia. Least Concern.
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.