Golden Nightjar vs Spotted Nightjar
Caprimulgus eximius 对比 Eurostopodus argus
Side-by-Side Comparison
| 属性 | Golden Nightjar | Spotted Nightjar |
|---|---|---|
| 学名 | Caprimulgus eximius | Eurostopodus argus |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 36.4 cm (14.3 in) | 42.7 cm (16.8 in) |
| 体重 | 54.2 g (1.91 oz) | 102.5 g (3.62 oz) |
| 食性 | Nocturnal moth hawker; also takes beetles and winged termites in erratic aerial pursuits above dry … | Aerial insectivore; hawks large moths, beetles, and flying insects at dusk and dawn over Australian … |
| 产卵数 | 2 | 1 |
| 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
Spotted Nightjar
Loud churring 'good-lord-deliver-us' repeated at dusk; melodic bubbling quality; also emits hollow 'cow-cow-cow' series and soft frog-like croaking
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.
Spotted Nightjar
Resident and partial migrant of open woodland, grassland, and scrub across mainland Australia and migrating to New Guinea and Indonesia in winter.
保护状况
Golden Nightjar
Spotted Nightjar
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 …
Spotted Nightjar
Cryptically mottled grey-brown, rufous, and black with intricate vermiculations; distinctive large white spots on wing coverts; white throat patch; no white in wings or tail. Sexes similar with slight pattern …
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。
Spotted Nightjar
中型夜鹰（约103克）。栖息于澳大利亚大陆的开阔林地和纺锤草草地。无危。