Mozambique Nightjar vs Cayenne Nightjar
Caprimulgus fossii 对比 Setopagis maculosa
Side-by-Side Comparison
| 属性 | Mozambique Nightjar | Cayenne Nightjar |
|---|---|---|
| 学名 | Caprimulgus fossii | Setopagis maculosa |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保护状况 | Least Concern | Data Deficient |
| 体长 | — | — |
| 翼展 | 31.0 cm (12.2 in) | 27.8 cm (10.9 in) |
| 体重 | 61.7 g (2.18 oz) | 47.0 g (1.66 oz) |
| 食性 | Feeds nocturnally on flying insects, chiefly moths and beetles, by hawking low over arid scrub … | 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
Mozambique Nightjar
Loud churring trill; resonant 'charrr' from miombo woodland; calls from sandy ground at night; alarm a sharp 'churk'; one of southern Africa's most familiar nightjar calls
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
Mozambique Nightjar
Breeds in West Africa from Senegal east to Ethiopia. Intra-African migrant; male has extraordinary elongated flag-like wing feathers.
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
Mozambique Nightjar
Cayenne Nightjar
How to Tell Them Apart
Mozambique Nightjar
Grey-brown upperparts with black streaks and pale buff freckling; white throat patch; underparts barred buff and dark brown; males show white outer tail corners; Southern African bird distinguished by greyer …
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
Mozambique Nightjar
方尾夜鹰，体长22–24厘米，分布于南非和东非，灰褐色有显著白色翅尾斑，发出嗡嗡声。
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.