Nubian Nightjar vs Cayenne Nightjar
Caprimulgus nubicus 对比 Setopagis maculosa
Side-by-Side Comparison
| 属性 | Nubian Nightjar | Cayenne Nightjar |
|---|---|---|
| 学名 | Caprimulgus nubicus | Setopagis maculosa |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保护状况 | Least Concern | Data Deficient |
| 体长 | — | — |
| 翼展 | 29.6 cm (11.7 in) | 27.8 cm (10.9 in) |
| 体重 | 54.8 g (1.93 oz) | 47.0 g (1.66 oz) |
| 食性 | Feeds on flying insects at night, mainly moths and beetles, by coursing low over open … | 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
Song & Call Comparison
Nubian Nightjar
Rapid, churring trill; nasal 'churr-churr' at medium pace; calls from arid African scrub and rocky desert at night; alarm a sharp 'chek'; calls mostly near water
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
Nubian Nightjar
Found in a disjunct range across the Middle East and northeastern Africa including Israel, Egypt, Sudan, and Somalia. Resident in rocky desert.
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
Nubian Nightjar
Cayenne Nightjar
How to Tell Them Apart
Nubian Nightjar
Richly patterned rufous-buff and dark brown upperparts; prominent tawny-orange nuchal collar; white throat patch; males have white spots on primary tips; overall warmer tones than most African nightjars.
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
Nubian Nightjar
努比亚夜鹰，体长20–22厘米，分布于非洲之角和阿拉伯半岛，淡沙褐色，近危（分布范围有限）。
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.