Rufous-cheeked Nightjar vs Cayenne Nightjar
Caprimulgus rufigena 비교 대상 Setopagis maculosa
Side-by-Side Comparison
| 속성 | Rufous-cheeked Nightjar | Cayenne Nightjar |
|---|---|---|
| 학명 | Caprimulgus rufigena | Setopagis maculosa |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Caprimulgidae | Caprimulgidae |
| 보전 상태 | Least Concern | Data Deficient |
| 체장 | — | — |
| 날개 폭 | 32.1 cm (12.6 in) | 27.8 cm (10.9 in) |
| 체중 | 54.68333333333334 g (1.93 oz) | 47.0 g (1.66 oz) |
| 식성 | Nocturnal aerial insectivore; catches moths, crickets, and beetles in sustained low-altitude hunting flights. | 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
Rufous-cheeked Nightjar
Rapid churring trill interspersed with 'chook' notes; churring 'rrr-chook-rrr-chook' pattern; calls from southern African woodland at night; distinctive interrupted rhythm
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
Rufous-cheeked Nightjar
Breeds in southern Africa from Namibia to South Africa. Partially migratory, moving north in austral winter. Found in dry woodland and savanna.
Cayenne Nightjar
Known from a few specimens from French Guiana; possibly a rare resident of coastal forest and scrub; poorly known.
보전 상태
Rufous-cheeked Nightjar
Cayenne Nightjar
How to Tell Them Apart
Rufous-cheeked Nightjar
Cryptic brown-grey upperparts with bold black streaks; distinctive warm rufous-cinnamon cheek patch; white throat patch; males show white outer tail corners absent in 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
Rufous-cheeked Nightjar
남아프리카와 동아프리카 건조 사바나와 반건조 덤불에서 번식하는 날씬한 쏙독새(23-25 cm). 따뜻한 황갈색 뺨과 회갈색 얼룩무늬 몸통을 가진다. 야행성으로 날아다니며 곤충을 먹는다. 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.