Long-tailed Nightjar vs Lesser Nighthawk
Caprimulgus climacurus 对比 Chordeiles acutipennis
Side-by-Side Comparison
| 属性 | Long-tailed Nightjar | Lesser Nighthawk |
|---|---|---|
| 学名 | Caprimulgus climacurus | Chordeiles acutipennis |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 28.6 cm (11.3 in) | 33.0 cm (13.0 in) |
| 体重 | 48.333333333333336 g (1.70 oz) | 50.0 g (1.76 oz) |
| 食性 | Crepuscular to nocturnal; feeds predominantly on moths and flying beetles, hawked in open flight near … | Hawks small flying insects at dusk and dawn over North and South American arid scrub … |
| 产卵数 | 2 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Long-tailed Nightjar
Churring trill with hollow 'cuck' notes; 'cuck-churr-cuck' pattern; calls from West African woodland at night; alarm a sharp bark; persistent caller in dry season
Lesser Nighthawk
Loud purring trill; buzzy 'brrrrr' given in flight; lower and softer than Common Nighthawk; males display with booming wingbeats; calls at dusk over deserts
Geographic Range & Migration
Long-tailed Nightjar
Found in East Africa from Ethiopia south to Kenya and Tanzania. Resident in open bushland. Male has elongated outer tail feathers with bare shafts.
Lesser Nighthawk
Breeds in open arid scrub from southwestern USA south through Central America to western South America; winters in Mexico and northern South America.
保护状况
Long-tailed Nightjar
Lesser Nighthawk
How to Tell Them Apart
Long-tailed Nightjar
Brown and black cryptic upperparts; white throat patch; males sport extremely elongated central tail feathers twice body length with bare white rachis; females much shorter-tailed; West African savanna specialist.
Lesser Nighthawk
Brown and buff mottled above; buff-white below with brown barring; white throat in male; white wing bar closer to wingtip than in Common Nighthawk; buff tail band. Female with buff …
About These Birds
Long-tailed Nightjar
长尾夜鹰，体长21–28厘米，分布于撒哈拉以南非洲，繁殖期雄鸟尾羽极长。
Lesser Nighthawk
小夜鹰(Chordeiles acutipennis)是一种体重约50克的夜鹰科鸟类，栖息于从美国西南部和墨西哥到哥斯达黎加的荒漠、半干旱灌木丛和开阔林地，冬季迁徙至南美洲。在地面营巢，体色斑驳褐色，具出色的隐蔽性，以昆虫为食。