Sand-colored Nighthawk vs Archbold's Nightjar
Chordeiles rupestris 对比 Eurostopodus archboldi
Side-by-Side Comparison
| 属性 | Sand-colored Nighthawk | Archbold's Nightjar |
|---|---|---|
| 学名 | Chordeiles rupestris | Eurostopodus archboldi |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 32.9 cm (13.0 in) | 41.0 cm (16.1 in) |
| 体重 | 52.25 g (1.84 oz) | 77.0 g (2.72 oz) |
| 食性 | Aerial insectivore; hawks insects over South American river sandbars and open areas, often in flocks. | Aerial insectivore; catches moths and beetles in nocturnal flight over New Guinea montane forest. |
| 产卵数 | 2 | 1 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Sand-colored Nighthawk
Nasal, buzzy 'bzeent' calls; short buzzing trills; colonial roosters produce chorus of soft chirring notes; calls from sandy riverbanks at dusk
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
Sand-colored Nighthawk
Resident of sandy riverbanks and open savanna in the Amazon and Orinoco basins of Venezuela, Colombia, Peru, and Brazil.
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
Sand-colored Nighthawk
Archbold's Nightjar
How to Tell Them Apart
Sand-colored Nighthawk
Pale sandy-buff overall with dark brown vermiculations; white throat and lower underparts; bold white wing bar; white tail with dark terminal band; paler coloration than other nighthawks suits sandy riverbank …
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
Sand-colored Nighthawk
沙色夜鹰(Chordeiles rupestris)是一种体重约52克的夜鹰科鸟类，栖息于亚马逊河及其主要支流沿岸的开阔沙质河岸和沙滩上。沙褐色羽毛在裸露沙地上提供出色的伪装，以飞行中的昆虫为食。
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。