European Nightjar vs Spotted Nightjar
Caprimulgus europaeus 对比 Eurostopodus argus
Side-by-Side Comparison
| 属性 | European Nightjar | Spotted Nightjar |
|---|---|---|
| 学名 | Caprimulgus europaeus | Eurostopodus argus |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 36.6 cm (14.4 in) | 42.7 cm (16.8 in) |
| 体重 | 75.83333333333333 g (2.67 oz) | 102.5 g (3.62 oz) |
| 食性 | Hawks moths, beetles, and flying insects at dusk and night over European heathland, forest edge, … | Aerial insectivore; hawks large moths, beetles, and flying insects at dusk and dawn over Australian … |
| 产卵数 | 1-2 | 1 |
| Population Trend | — | — |
Habitat Comparison
共同栖息地
Spotted Nightjar only
无
Song & Call Comparison
European Nightjar
Long, mechanical churring trill; sustained 'errrrrr' switching pitch between two notes; unique ventriloquial quality; calls from heath at dusk; alarm a sharp 'coo-ic'
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
European Nightjar
Breeds across Europe and western Asia from Britain to Lake Baikal; long-distance migrant wintering in sub-Saharan Africa from Senegal to East Africa.
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
European Nightjar
Spotted Nightjar
How to Tell Them Apart
European Nightjar
Grey-brown and buff mottled with intricate dark vermiculations; male has white spots on outer primaries and white outer tail corners; plain grey head with pale supercilium; female lacks white wing …
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
European Nightjar
欧夜鹰（约80克）是一种昼伏夜出、善于伪装的夜鸟，繁殖于欧洲，越冬于撒哈拉以南非洲。以其独特的持续颤鸣著称，可在夏夜传播数公里。在地面营巢，以飞蛾等夜行昆虫为食。近危；因粗放型农业减少及昆虫减少而数量下降。
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。