Golden Nightjar vs Lesser Nighthawk
Caprimulgus eximius 对比 Chordeiles acutipennis
Side-by-Side Comparison
| 属性 | Golden Nightjar | Lesser Nighthawk |
|---|---|---|
| 学名 | Caprimulgus eximius | 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 | 54.2 g (1.91 oz) | 50.0 g (1.76 oz) |
| 食性 | Nocturnal moth hawker; also takes beetles and winged termites in erratic aerial pursuits above dry … | 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
Golden Nightjar
Churring trill; repetitive 'chrrrr' from Sahel sandy scrub; calls at night from open terrain; alarm a sharp bark; poorly recorded for such a distinctive species
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
Golden Nightjar
Found in the Sahel zone of West Africa from Mauritania and Senegal east to Niger and Chad. Resident in sandy semi-desert and open scrub.
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
Golden Nightjar
Lesser Nighthawk
How to Tell Them Apart
Golden Nightjar
Striking golden-ochre and black plumage; upperparts rich tawny-gold with bold black streaks; wings show large golden-buff spots on coverts; white throat and tail corners in males; uniquely warm coloration among …
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
Golden Nightjar
金夜鹰，体长23厘米，浓郁的金黄褐色和大胆的橙棕色花纹独一无二，分布于非洲撒哈拉以南干旱萨赫勒地带。
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。