Archbold's Nightjar vs Brown Nightjar
Eurostopodus archboldi 对比 Veles binotatus
Side-by-Side Comparison
| 属性 | Archbold's Nightjar | Brown Nightjar |
|---|---|---|
| 学名 | Eurostopodus archboldi | Veles binotatus |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 41.0 cm (16.1 in) | 29.8 cm (11.7 in) |
| 体重 | 77.0 g (2.72 oz) | 63.0 g (2.22 oz) |
| 食性 | Aerial insectivore; catches moths and beetles in nocturnal flight over New Guinea montane forest. | Nocturnal aerial insectivore; catches moths and flying insects over West and Central African forest. |
| 产卵数 | 1 | -- |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Archbold's Nightjar
Rarely recorded; presumed churring nocturnal song; low, resonant trilling typical of genus; vocalizations scarcely documented from highland New Guinea
Brown Nightjar
Repeated 'pew-pew' or 'puu-puu'; mellow, hollow whistle from African rainforest; calls from dense canopy at night; soft and ventriloquial; alarm a sharp 'chik'
Geographic Range & Migration
Archbold's Nightjar
Resident of montane forest in central New Guinea (Snow Mountains and Star Mountains) above 1,500 m; very poorly known.
Brown Nightjar
Resident of lowland and submontane forest edge and clearings in West and Central Africa from Sierra Leone and Liberia east to DR Congo and Uganda.
保护状况
Archbold's Nightjar
Brown Nightjar
How to Tell Them Apart
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.
Brown Nightjar
Uniform dark rufous-brown with fine dark vermiculations; small pale buff wing spots; no white throat patch; no white tail markings; monotypic; very cryptic plumage matched to dark rainforest bark; West …
About These Birds
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。
Brown Nightjar
A medium-small Caprimulgidae nightjar (~63 g) of lowland and secondary forest in equatorial West Africa from Sierra Leone to Uganda. Uniformly dark brown above with a small white throat spot; plain compared with many nightjars. Nocturnal insectivore of forest understorey. Least Concern in its equatorial forest range.