Jungle Nightjar vs Lesser Nighthawk
Caprimulgus indicus 对比 Chordeiles acutipennis
Side-by-Side Comparison
| 属性 | Jungle Nightjar | Lesser Nighthawk |
|---|---|---|
| 学名 | Caprimulgus indicus | Chordeiles acutipennis |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 36.4 cm (14.3 in) | 33.0 cm (13.0 in) |
| 体重 | 84.0 g (2.96 oz) | 50.0 g (1.76 oz) |
| 食性 | Nocturnal aerial insectivore; catches moths, beetles, and flying insects over South and SE Asian forest. | Hawks small flying insects at dusk and dawn over North and South American arid scrub … |
| 产卵数 | 1-2 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Jungle Nightjar
Loud churring 'chuck-chuck-chuck-rrr'; repetitive with accelerating quality; calls from South Asian forest at dusk; hollow resonant tone; alarm a sharp 'chuck'
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
Jungle Nightjar
Breeds in eastern Asia (India, China, Korea, Japan) south to Southeast Asia; northern populations winter in tropical Southeast Asia.
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
Jungle Nightjar
Lesser Nighthawk
How to Tell Them Apart
Jungle Nightjar
Brown and grey mottled with dark vermiculations; white throat patch; white wing spots across primaries; white outer tail spots in male; buff throat and tail spots in female; pale supercilium …
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
Jungle Nightjar
丛林夜鹰，约84克，分布于印度至日本的森林边缘，灰褐色隐蔽花纹，为部分迁徙鸟类。
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。