Montane Nightjar vs Cayenne Nightjar
Caprimulgus poliocephalus 对比 Setopagis maculosa
Side-by-Side Comparison
| 属性 | Montane Nightjar | Cayenne Nightjar |
|---|---|---|
| 学名 | Caprimulgus poliocephalus | Setopagis maculosa |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保护状况 | Least Concern | Data Deficient |
| 体长 | — | — |
| 翼展 | 31.1 cm (12.2 in) | 27.8 cm (10.9 in) |
| 体重 | 47.050000000000004 g (1.66 oz) | 47.0 g (1.66 oz) |
| 食性 | Nighttime aerial insectivore; moths and beetles are primary prey, caught by hawking over forest clearings. | Catches flying insects in aerial pursuit at night over South American forest and scrub. |
| 产卵数 | 2 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Montane Nightjar
Churring trill from East African highlands; repetitive 'churr-churr-churr'; slightly higher pitched than lowland species; calls from highland scrub and forest edge
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
Montane Nightjar
Found across the Indian subcontinent from Pakistan and Nepal south to Sri Lanka. Common in open scrub, rocky hillsides, and dry woodland.
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
Montane Nightjar
Cayenne Nightjar
How to Tell Them Apart
Montane Nightjar
Grey-brown upperparts with fine blackish streaks; pale grey head contrasting slightly with browner back; white throat patch; underparts buff barred brown; inhabits high-altitude montane zones in East Africa.
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
Montane Nightjar
山地夜鹰，体长23–24厘米，分布于东非和南非山地森林（埃塞俄比亚至南非），海拔1,500米以上。
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.