Nubian Nightjar vs Lesser Nighthawk
Caprimulgus nubicus 对比 Chordeiles acutipennis
Side-by-Side Comparison
| 属性 | Nubian Nightjar | Lesser Nighthawk |
|---|---|---|
| 学名 | Caprimulgus nubicus | Chordeiles acutipennis |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 29.6 cm (11.7 in) | 33.0 cm (13.0 in) |
| 体重 | 54.8 g (1.93 oz) | 50.0 g (1.76 oz) |
| 食性 | Feeds on flying insects at night, mainly moths and beetles, by coursing low over open … | 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
Nubian Nightjar
Rapid, churring trill; nasal 'churr-churr' at medium pace; calls from arid African scrub and rocky desert at night; alarm a sharp 'chek'; calls mostly near water
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
Nubian Nightjar
Found in a disjunct range across the Middle East and northeastern Africa including Israel, Egypt, Sudan, and Somalia. Resident in rocky desert.
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
Nubian Nightjar
Lesser Nighthawk
How to Tell Them Apart
Nubian Nightjar
Richly patterned rufous-buff and dark brown upperparts; prominent tawny-orange nuchal collar; white throat patch; males have white spots on primary tips; overall warmer tones than most African nightjars.
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
Nubian Nightjar
努比亚夜鹰，体长20–22厘米，分布于非洲之角和阿拉伯半岛，淡沙褐色，近危（分布范围有限）。
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。