Slender-tailed Nightjar vs Cayenne Nightjar
Caprimulgus clarus comparado con Setopagis maculosa
Side-by-Side Comparison
| Atributo | Slender-tailed Nightjar | Cayenne Nightjar |
|---|---|---|
| Nombre científico | Caprimulgus clarus | Setopagis maculosa |
| Orden | Caprimulgiformes | Caprimulgiformes |
| Familia | Caprimulgidae | Caprimulgidae |
| Estado de conservación | Least Concern | Data Deficient |
| Longitud | — | — |
| Envergadura | 29,6 cm (11.7 in) | 27,8 cm (10.9 in) |
| Peso | 43,0 g (1.52 oz) | 47,0 g (1.66 oz) |
| Dieta | Nocturnal aerial insectivore specialising in large moths and flying beetles, caught in slow erratic hunting … | Catches flying insects in aerial pursuit at night over South American forest and scrub. |
| Tamaño de la puesta | 2 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Hábitats compartidos
Ninguno
Slender-tailed Nightjar only
Cayenne Nightjar only
Song & Call Comparison
Slender-tailed Nightjar
Rapid churring trill; 'trrr-trrr' at steady pace; calls from East African dry scrub at night; lighter than Long-tailed Nightjar; alarm a quiet 'chek'
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
Slender-tailed Nightjar
Found from Angola and the DRC south through Zambia and Zimbabwe to South Africa. Resident in woodland and savanna near rocky outcrops.
Cayenne Nightjar
Known from a few specimens from French Guiana; possibly a rare resident of coastal forest and scrub; poorly known.
Estado de conservación
Slender-tailed Nightjar
Cayenne Nightjar
How to Tell Them Apart
Slender-tailed Nightjar
Pale brown upperparts with black streaks and buff-white spotting; whitish supercilium; white throat patch; underparts buff barred brown; males have elongated but narrower tail feathers than Long-tailed Nightjar.
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
Slender-tailed Nightjar
Chotacabras de Tanzania de 22–25 cm, endémico del África Oriental con distribución limitada en Tanzania y Kenia.
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.