White-throated Nightjar vs Papuan Nightjar
Eurostopodus mystacalis 对比 Eurostopodus papuensis
Side-by-Side Comparison
| 属性 | White-throated Nightjar | Papuan Nightjar |
|---|---|---|
| 学名 | Eurostopodus mystacalis | Eurostopodus papuensis |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 50.4 cm (19.8 in) | 37.9 cm (14.9 in) |
| 体重 | 138.25 g (4.88 oz) | 80.5 g (2.84 oz) |
| 食性 | 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. |
| 产卵数 | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
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).
保护状况
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
大型夜鹰（约138克）。分布于澳大利亚东部和新几内亚沿海。喉部有白色斑块。无危。
Papuan Nightjar
小型夜鹰（约81克）。分布于新几内亚南部低地。无危。