Prigogine's Nightjar vs Lesser Nighthawk
Caprimulgus prigoginei 对比 Chordeiles acutipennis
Side-by-Side Comparison
| 属性 | Prigogine's Nightjar | Lesser Nighthawk |
|---|---|---|
| 学名 | Caprimulgus prigoginei | Chordeiles acutipennis |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保护状况 | Data Deficient | Least Concern |
| 体长 | — | — |
| 翼展 | 32.2 cm (12.7 in) | 33.0 cm (13.0 in) |
| 体重 | 57.5 g (2.03 oz) | 50.0 g (1.76 oz) |
| 食性 | Nocturnal insectivore feeding on moths, termites, and flying beetles caught in aerial sallies over savanna … | Hawks small flying insects at dusk and dawn over North and South American arid scrub … |
| 产卵数 | -- | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Prigogine's Nightjar
Essentially unknown vocalizations; extremely rare Central African species; presumed churring trill; known from only two specimens; calls at night from forest
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
Prigogine's Nightjar
Found in Cameroon, Gabon, Equatorial Guinea, and the Republic of Congo. Resident in lowland rainforest and forest edge. Rare.
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
Prigogine's Nightjar
Lesser Nighthawk
How to Tell Them Apart
Prigogine's Nightjar
Dark blackish-brown upperparts with pale buff mottling and streaking; whitish throat patch; buff and brown barred underparts; data-deficient Albertine Rift endemic known from limited specimens.
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
Prigogine's Nightjar
普里戈金夜鹰，1955年在刚果民主共和国东部伊通贝高原采集单一标本，濒危，生态习性不明。
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。