Golden Nightjar vs Cayenne Nightjar
Caprimulgus eximius so với Setopagis maculosa
Side-by-Side Comparison
| Thuộc Tính | Golden Nightjar | Cayenne Nightjar |
|---|---|---|
| Tên Khoa Học | Caprimulgus eximius | Setopagis maculosa |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Caprimulgidae | Caprimulgidae |
| Tình Trạng Bảo Tồn | Least Concern | Data Deficient |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 36,4 cm (14.3 in) | 27,8 cm (10.9 in) |
| Khối Lượng | 54,2 g (1.91 oz) | 47,0 g (1.66 oz) |
| Chế Độ Ăn | Nocturnal moth hawker; also takes beetles and winged termites in erratic aerial pursuits above dry … | Catches flying insects in aerial pursuit at night over South American forest and scrub. |
| Số Trứng | 2 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Golden Nightjar
Churring trill; repetitive 'chrrrr' from Sahel sandy scrub; calls at night from open terrain; alarm a sharp bark; poorly recorded for such a distinctive species
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
Golden Nightjar
Found in the Sahel zone of West Africa from Mauritania and Senegal east to Niger and Chad. Resident in sandy semi-desert and open scrub.
Cayenne Nightjar
Known from a few specimens from French Guiana; possibly a rare resident of coastal forest and scrub; poorly known.
Tình Trạng Bảo Tồn
Golden Nightjar
Cayenne Nightjar
How to Tell Them Apart
Golden Nightjar
Striking golden-ochre and black plumage; upperparts rich tawny-gold with bold black streaks; wings show large golden-buff spots on coverts; white throat and tail corners in males; uniquely warm coloration among …
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
Golden Nightjar
A striking nightjar (23 cm) with rich golden-buff plumage and bold tawny markings, unique among nightjars. Inhabits arid Sahel scrub and semi-desert zones across northern sub-Saharan Africa. Nocturnal insectivore, feeding on beetles and moths in low flight over open ground.
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.