Chirruping Nightjar vs Archbold's Nightjar
Caprimulgus griseatus 对比 Eurostopodus archboldi
Side-by-Side Comparison
| 属性 | Chirruping Nightjar | Archbold's Nightjar |
|---|---|---|
| 学名 | Caprimulgus griseatus | Eurostopodus archboldi |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保护状况 | Not Evaluated | Least Concern |
| 体长 | — | — |
| 翼展 | — | 41.0 cm (16.1 in) |
| 体重 | — | 77.0 g (2.72 oz) |
| 食性 | Night-hunting insectivore taking moths, flying beetles, and termites in sustained aerial pursuits. | Aerial insectivore; catches moths and beetles in nocturnal flight over New Guinea montane forest. |
| 产卵数 | -- | 1 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Chirruping Nightjar
Distinctive chirruping trill; rapid high-pitched 'chi-chi-chi-rrr'; sharper and more staccato than typical Caprimulgus; calls at dusk from open habitats
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
Chirruping Nightjar
Found across sub-Saharan Africa from Senegal east to Somalia and south to South Africa. Common on rocky outcrops and granite hills in savanna.
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
Chirruping Nightjar
Archbold's Nightjar
How to Tell Them Apart
Chirruping Nightjar
Grey-brown upperparts with blackish streaks and pale buff vermiculations; buff-white chin and throat; underparts barred pale buff and dark brown; recently split from Savanna Nightjar, differing in subtle plumage and …
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
Chirruping Nightjar
灌丛夜鹰，体长20–22厘米，分布于哥伦比亚、委内瑞拉和圭亚那干旱灌丛，淡灰褐色。
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。