Pennant-winged Nightjar vs Cayenne Nightjar
Caprimulgus vexillarius 비교 대상 Setopagis maculosa
Side-by-Side Comparison
| 속성 | Pennant-winged Nightjar | Cayenne Nightjar |
|---|---|---|
| 학명 | Caprimulgus vexillarius | Setopagis maculosa |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Caprimulgidae | Caprimulgidae |
| 보전 상태 | Least Concern | Data Deficient |
| 체장 | — | — |
| 날개 폭 | 41.4 cm (16.3 in) | 27.8 cm (10.9 in) |
| 체중 | 189.70000000000002 g (6.69 oz) | 47.0 g (1.66 oz) |
| 식성 | Crepuscular forager targeting moths, termites, and large beetles; patrols forest edges and clearings at dusk. | Catches flying insects in aerial pursuit at night over South American forest and scrub. |
| 산란 수 | 1-2 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Pennant-winged Nightjar
Melodic whistled churring; cleaner, more musical than most African nightjars; male's display call a repeated mellow whistle; calls at dusk across miombo woodland
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
Pennant-winged Nightjar
Found across sub-Saharan Africa from Guinea east to Ethiopia and south to Angola. Resident in dry savanna, open woodland, and Sahel scrubland.
Cayenne Nightjar
Known from a few specimens from French Guiana; possibly a rare resident of coastal forest and scrub; poorly known.
보전 상태
Pennant-winged Nightjar
Cayenne Nightjar
How to Tell Them Apart
Pennant-winged Nightjar
Large; dark brown and black upperparts with white wing-covert spots; large white primary patches visible in flight; breeding males grow extraordinary white pennant-shaped ninth primary extensions reaching 50 cm; females …
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
Pennant-winged Nightjar
남부 아프리카 개활 삼림에 사는 화려한 쏙독새(24-28 cm). 번식기 수컷은 구애 비행 중 최대 60 cm의 흰 페넌트처럼 긴 첫째 날개 깃털을 발달시킨다. 야행성 곤충 포식자이며 장거리 아프리카 내 이동 철새다.
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.