Sombre Nightjar vs Papuan Nightjar
Caprimulgus fraenatus 对比 Eurostopodus papuensis
Side-by-Side Comparison
| 属性 | Sombre Nightjar | Papuan Nightjar |
|---|---|---|
| 学名 | Caprimulgus fraenatus | Eurostopodus papuensis |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 32.4 cm (12.8 in) | 37.9 cm (14.9 in) |
| 体重 | 60.0 g (2.12 oz) | 80.5 g (2.84 oz) |
| 食性 | 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. |
| 产卵数 | 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).
保护状况
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
雀斑夜鹰变种，体长23–25厘米，分布于撒哈拉以南非洲（埃塞俄比亚至南非），栖息于开阔林地和稀树草原。
Papuan Nightjar
小型夜鹰（约81克）。分布于新几内亚南部低地。无危。