Sulawesi Nightjar vs Cayenne Nightjar
Caprimulgus celebensis 对比 Setopagis maculosa
Side-by-Side Comparison
| 属性 | Sulawesi Nightjar | Cayenne Nightjar |
|---|---|---|
| 学名 | Caprimulgus celebensis | Setopagis maculosa |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保护状况 | Least Concern | Data Deficient |
| 体长 | — | — |
| 翼展 | 37.4 cm (14.7 in) | 27.8 cm (10.9 in) |
| 体重 | 63.166666666666664 g (2.23 oz) | 47.0 g (1.66 oz) |
| 食性 | Crepuscular insectivore specialising in large moths; also takes beetles and flies in low-level aerial sallies. | Catches flying insects in aerial pursuit at night over South American forest and scrub. |
| 产卵数 | -- | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Sulawesi Nightjar
Loud churring call; hollow 'chuck' notes with extended trill; calls at night from Sulawesi forest and scrub; endemic; alarm a sharp bark note
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
Sulawesi Nightjar
Found in Somalia, Kenya, and southern Ethiopia. Resident in arid thorn scrub and open acacia woodland. Uncommon and poorly known.
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
Sulawesi Nightjar
Cayenne Nightjar
How to Tell Them Apart
Sulawesi Nightjar
Richly marked rufous-brown and dark grey upperparts; pale buff spotting on wing coverts; white throat patch; underparts buff-white barred brown; Sulawesi endemic showing warmer tones than many regional congeners.
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
Sulawesi Nightjar
苏拉威西夜鹰，体长24–26厘米，苏拉威西特有种，栖息于低地至山地森林，深褐色。
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.