Montane Nightjar vs Archbold's Nightjar
Caprimulgus poliocephalus 对比 Eurostopodus archboldi
Side-by-Side Comparison
| 属性 | Montane Nightjar | Archbold's Nightjar |
|---|---|---|
| 学名 | Caprimulgus poliocephalus | Eurostopodus archboldi |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 31.1 cm (12.2 in) | 41.0 cm (16.1 in) |
| 体重 | 47.050000000000004 g (1.66 oz) | 77.0 g (2.72 oz) |
| 食性 | Nighttime aerial insectivore; moths and beetles are primary prey, caught by hawking over forest clearings. | Aerial insectivore; catches moths and beetles in nocturnal flight over New Guinea montane forest. |
| 产卵数 | 2 | 1 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Montane Nightjar
Churring trill from East African highlands; repetitive 'churr-churr-churr'; slightly higher pitched than lowland species; calls from highland scrub and forest edge
Archbold's Nightjar
Rarely recorded; presumed churring nocturnal song; low, resonant trilling typical of genus; vocalizations scarcely documented from highland New Guinea
Geographic Range & Migration
Montane Nightjar
Found across the Indian subcontinent from Pakistan and Nepal south to Sri Lanka. Common in open scrub, rocky hillsides, and dry woodland.
Archbold's Nightjar
Resident of montane forest in central New Guinea (Snow Mountains and Star Mountains) above 1,500 m; very poorly known.
保护状况
Montane Nightjar
Archbold's Nightjar
How to Tell Them Apart
Montane Nightjar
Grey-brown upperparts with fine blackish streaks; pale grey head contrasting slightly with browner back; white throat patch; underparts buff barred brown; inhabits high-altitude montane zones in East Africa.
Archbold's Nightjar
Brown and dark grey with rufous-buff vermiculations; whitish throat patch; pale buff supercilium contrasts with darker crown; no white wing or tail patches; tail barred; New Guinea highlands; few records.
About These Birds
Montane Nightjar
山地夜鹰，体长23–24厘米，分布于东非和南非山地森林（埃塞俄比亚至南非），海拔1,500米以上。
Archbold's Nightjar
体重约77克的小型夜鹰，栖息于新几内亚内陆的亚高山草地。以理查德·阿奇博尔德命名。