Least Nighthawk vs Archbold's Nightjar
Chordeiles pusillus 对比 Eurostopodus archboldi
Side-by-Side Comparison
| 属性 | Least Nighthawk | Archbold's Nightjar |
|---|---|---|
| 学名 | Chordeiles pusillus | Eurostopodus archboldi |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 25.0 cm (9.8 in) | 41.0 cm (16.1 in) |
| 体重 | 29.733333333333334 g (1.05 oz) | 77.0 g (2.72 oz) |
| 食性 | Catches small flying insects in aerial pursuit over South American scrub and open areas; crepuscular. | Aerial insectivore; catches moths and beetles in nocturnal flight over New Guinea montane forest. |
| 产卵数 | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Least Nighthawk
High-pitched, buzzy trill; thin 'pee-pee-pee' series; soft churring from ground; tiny size matched by high, reedy call quality; rarely loud
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
Least Nighthawk
Resident of open savanna and cerrado in interior South America from Venezuela and the Guianas south to Bolivia and central 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
Least Nighthawk
Archbold's Nightjar
How to Tell Them Apart
Least Nighthawk
Smallest Chordeiles; brown and buff mottled above; pale buff underparts with dark barring; small white throat patch in male; narrow white wing bar; white or buff tail spots. Female has …
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
Least Nighthawk
侏夜鹰(Chordeiles pusillus)是体型最小的夜鹰属鸟类，体重约30克，属夜鹰科，栖息于巴西东部、玻利维亚北部和委内瑞拉的开阔塞拉多草原、卡廷加灌木丛和干旱林地。体色斑驳棕褐色，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。