European Nightjar vs Cayenne Nightjar
Caprimulgus europaeus 对比 Setopagis maculosa
Side-by-Side Comparison
| 属性 | European Nightjar | Cayenne Nightjar |
|---|---|---|
| 学名 | Caprimulgus europaeus | Setopagis maculosa |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保护状况 | Least Concern | Data Deficient |
| 体长 | — | — |
| 翼展 | 36.6 cm (14.4 in) | 27.8 cm (10.9 in) |
| 体重 | 75.83333333333333 g (2.67 oz) | 47.0 g (1.66 oz) |
| 食性 | Hawks moths, beetles, and flying insects at dusk and night over European heathland, forest edge, … | Catches flying insects in aerial pursuit at night over South American forest and scrub. |
| 产卵数 | 1-2 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
共同栖息地
European Nightjar only
Cayenne 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'
Cayenne Nightjar
Poorly known vocalizations; presumed churring trill based on genus; extremely rare recordings; distinct from other Setopagis by subtle tonal and rhythm differences
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.
Cayenne Nightjar
Known from a few specimens from French Guiana; possibly a rare resident of coastal forest and scrub; poorly known.
保护状况
European Nightjar
Cayenne 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 …
Cayenne Nightjar
Brown and buff mottled above with dark vermiculations; pale buff below with darker barring; white throat patch in male; outer tail spots white; data deficient; known from only a handful …
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。
Cayenne Nightjar
A small Caprimulgidae nightjar (~47 g) from coastal French Guiana and adjacent Suriname. Known from only a handful of specimens; biology essentially unknown. Mottled brown plumage presumed cryptic in leaf litter. Presumed nocturnal insectivore. Data Deficient due to extreme rarity of confirmed records in the wild.