European Nightjar vs Papuan Nightjar
Caprimulgus europaeus 对比 Eurostopodus papuensis
Side-by-Side Comparison
| 属性 | European Nightjar | Papuan Nightjar |
|---|---|---|
| 学名 | Caprimulgus europaeus | Eurostopodus papuensis |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 36.6 cm (14.4 in) | 37.9 cm (14.9 in) |
| 体重 | 75.83333333333333 g (2.67 oz) | 80.5 g (2.84 oz) |
| 食性 | Hawks moths, beetles, and flying insects at dusk and night over European heathland, forest edge, … | Hawks large flying insects, especially moths, at night over Papuan forest and savanna. |
| 产卵数 | 1-2 | 1 |
| Population Trend | — | — |
Habitat Comparison
共同栖息地
European Nightjar only
Papuan 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'
Papuan Nightjar
Churring, repetitive nocturnal call; soft bubbling trill; melodic series of hollow notes; calls from low perch or ground in New Guinea lowland forest
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.
Papuan Nightjar
Resident of savanna woodland, grass, and scrub in lowland New Guinea (Papua, Indonesia and Papua New Guinea).
保护状况
European Nightjar
Papuan 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 …
Papuan Nightjar
Dark grey-brown finely vermiculated with buff and black; pale buff and rufous throat patch; pale supercilium; no white wing patches; tail barred brown and buff; cryptically patterned bark-mimicking plumage.
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。
Papuan Nightjar
小型夜鹰（约81克）。分布于新几内亚南部低地。无危。