Common Nighthawk vs Archbold's Nightjar
Chordeiles minor 对比 Eurostopodus archboldi
Side-by-Side Comparison
| 属性 | Common Nighthawk | Archbold's Nightjar |
|---|---|---|
| 学名 | Chordeiles minor | Eurostopodus archboldi |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 38.6 cm (15.2 in) | 41.0 cm (16.1 in) |
| 体重 | 71.75 g (2.53 oz) | 77.0 g (2.72 oz) |
| 食性 | Aerial insectivore; catches flying beetles, ants, moths, and flies in fast aerial pursuit over open … | 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
Common Nighthawk
Loud, nasal 'peent' call repeated in flight; display dive produces loud booming 'whomp' with wings; churring trill on breeding grounds; colonial roost cacophony
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
Common Nighthawk
Breeds across North America from Alaska to the Gulf Coast; long-distance migrant wintering in South America south to Argentina.
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
Common Nighthawk
Archbold's Nightjar
How to Tell Them Apart
Common Nighthawk
Brown and grey mottled above; white throat in male; white and dark barred underparts; distinctive white wing bar across primaries positioned more centrally than in Lesser Nighthawk; white tail band …
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
Common Nighthawk
普通夜鹰(Chordeiles minor)是一种体重约72克的中型夜鹰科鸟类，广泛分布于北美洲，冬季迁徙至南美洲。以飞行中的昆虫为食。雄鸟发出特有的嗡嗡叫声和俯冲展示，翅膀上具白色横斑，是最广为人知的夜鹰之一。
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。