Archbold's Nightjar vs New Caledonian Nightjar
Eurostopodus archboldi 对比 Eurostopodus exul
Side-by-Side Comparison
| 属性 | Archbold's Nightjar | New Caledonian Nightjar |
|---|---|---|
| 学名 | Eurostopodus archboldi | Eurostopodus exul |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保护状况 | Least Concern | Not Evaluated |
| 体长 | — | — |
| 翼展 | 41.0 cm (16.1 in) | 36.4 cm (14.3 in) |
| 体重 | 77.0 g (2.72 oz) | 77.0 g (2.72 oz) |
| 食性 | Aerial insectivore; catches moths and beetles in nocturnal flight over New Guinea montane forest. | Feeds on flying insects caught in aerial pursuit at night; extinct in New Caledonia, diet … |
| 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
New Caledonian Nightjar
Poorly documented calls; presumed churring nocturnal song similar to congeners; deep resonant trilling at low pitch; vocalizations essentially unknown
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.
New Caledonian Nightjar
Formerly endemic to New Caledonia; known from historical records only; possibly extinct, last confirmed late 19th century.
保护状况
Archbold's Nightjar
New Caledonian 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.
New Caledonian Nightjar
Brown and grey mottled with buff and dark vermiculations; whitish-buff throat patch; fine pale shaft streaks on crown; no white in wings or tail; known from very few specimens; New …
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。
New Caledonian Nightjar
小型夜鹰（约77克），新喀里多尼亚特有种。仅知于极少数标本；可能已灭绝。