Indian Nightjar vs Cayenne Nightjar
Caprimulgus asiaticus 对比 Setopagis maculosa
Side-by-Side Comparison
| 属性 | Indian Nightjar | Cayenne Nightjar |
|---|---|---|
| 学名 | Caprimulgus asiaticus | Setopagis maculosa |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保护状况 | Least Concern | Data Deficient |
| 体长 | — | — |
| 翼展 | 29.5 cm (11.6 in) | 27.8 cm (10.9 in) |
| 体重 | 43.0 g (1.52 oz) | 47.0 g (1.66 oz) |
| 食性 | Nocturnal forager on flying insects; specialises in large moths and beetles in slow aerial passes … | 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
Indian Nightjar
Loud 'chuck-chuck-chuck-r'; rapid hollow knocking notes accelerating into a trill; carries far across South Asian scrub; distinctive rhythm; very persistent at night
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
Indian Nightjar
Endemic to Madagascar and the Comoro Islands. Resident in forest edge, savanna, and open scrub across the island including arid southern regions.
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
Indian Nightjar
Cayenne Nightjar
How to Tell Them Apart
Indian Nightjar
Greyish-brown upperparts with black-centred feathers and buff freckling; white throat patch; pale supercilium; males show white primary spots and outer tail corners; underparts barred buff-brown; widespread South Asian species.
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
Indian Nightjar
印度夜鹰，体长21–24厘米，分布于印度次大陆和东南亚，白色喉斑，鸣声为重复的咔嗒声。
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.