Standard-winged Nightjar vs Archbold's Nightjar
Caprimulgus longipennis 对比 Eurostopodus archboldi
Side-by-Side Comparison
| 属性 | Standard-winged Nightjar | Archbold's Nightjar |
|---|---|---|
| 学名 | Caprimulgus longipennis | Eurostopodus archboldi |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 34.6 cm (13.6 in) | 41.0 cm (16.1 in) |
| 体重 | 48.5 g (1.71 oz) | 77.0 g (2.72 oz) |
| 食性 | Nocturnal moth and beetle specialist; hunts in sustained low flight over dry open country and … | Aerial insectivore; catches moths and beetles in nocturnal flight over New Guinea montane forest. |
| 产卵数 | 1-2 | 1 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Standard-winged Nightjar
Churring 'chrrr' from West African woodland; male performs display flight with elongated wing feathers; calls from open savanna; alarm a quiet 'chek'
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
Standard-winged Nightjar
Breeds in central and southern Africa from Angola south to South Africa. Intra-African migrant; moves north in austral winter through miombo 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
Standard-winged Nightjar
Archbold's Nightjar
How to Tell Them Apart
Standard-winged Nightjar
Brown and black cryptic upperparts; white throat patch; breeding males develop extraordinary elongated inner primaries as feather-flag standards up to 38 cm with small terminal vane; among Africa's most spectacular …
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
Standard-winged Nightjar
旗翎夜鹰，体长22–28厘米，繁殖期雄鸟初级飞羽极度延长可达38厘米，分布于西非和中非潮湿稀树草原。
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。