Papuan Nightjar vs Band-tailed Nighthawk
Eurostopodus papuensis 对比 Nyctiprogne leucopyga
Side-by-Side Comparison
| 属性 | Papuan Nightjar | Band-tailed Nighthawk |
|---|---|---|
| 学名 | Eurostopodus papuensis | Nyctiprogne leucopyga |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 37.9 cm (14.9 in) | 27.2 cm (10.7 in) |
| 体重 | 80.5 g (2.84 oz) | 24.7 g (0.87 oz) |
| 食性 | Hawks large flying insects, especially moths, at night over Papuan forest and savanna. | Hawks small to medium flying insects over South American rivers, lakes, and surrounding savanna at … |
| 产卵数 | 1 | -- |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
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
Band-tailed Nighthawk
Sharp, high 'chip-chip' notes; thin buzzy trills; calls over rivers at dusk; small size produces high-pitched thin vocalizations; often calls in flight
Geographic Range & Migration
Papuan Nightjar
Resident of savanna woodland, grass, and scrub in lowland New Guinea (Papua, Indonesia and Papua New Guinea).
Band-tailed Nighthawk
Resident and nomadic along large rivers and in open savanna in tropical South America from Venezuela south to Bolivia, Brazil, and northern Argentina.
保护状况
Papuan Nightjar
Band-tailed Nighthawk
How to Tell Them Apart
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.
Band-tailed Nighthawk
Small; dark brown above with buff speckles; pale buff below with dark brown barring; white tail band diagnostic at species level; white throat patch in male; no white wing bar; …
About These Birds
Papuan Nightjar
小型夜鹰（约81克）。分布于新几内亚南部低地。无危。
Band-tailed Nighthawk
A tiny Caprimulgidae nighthawk (~25 g) of tropical river margins and sandbar beaches in the Amazon and Orinoco basins. Blackish brown with a white rump band; very small. Roosts on bare sand and low branches near water. Feeds on insects aerially at low elevations above rivers at dusk. Least Concern.