Palau Nightjar vs Cayenne Nightjar
Caprimulgus phalaena 비교 대상 Setopagis maculosa
Side-by-Side Comparison
| 속성 | Palau Nightjar | Cayenne Nightjar |
|---|---|---|
| 학명 | Caprimulgus phalaena | Setopagis maculosa |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Caprimulgidae | Caprimulgidae |
| 보전 상태 | Least Concern | Data Deficient |
| 체장 | — | — |
| 날개 폭 | 32.3 cm (12.7 in) | 27.8 cm (10.9 in) |
| 체중 | 91.5 g (3.23 oz) | 47.0 g (1.66 oz) |
| 식성 | Catches flying insects in nocturnal aerial sallies over Palau island forest and scrub. | Catches flying insects in aerial pursuit at night over South American forest and scrub. |
| 산란 수 | -- | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Palau Nightjar
Churring call from Palau forest; repetitive hollow trill; endemic island species with poorly documented vocalizations; calls at night from dense vegetation
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
Palau Nightjar
Endemic to Palau (Micronesia, western Pacific Ocean); resident of forest and open woodland on the main Palauan islands.
Cayenne Nightjar
Known from a few specimens from French Guiana; possibly a rare resident of coastal forest and scrub; poorly known.
보전 상태
Palau Nightjar
Cayenne Nightjar
How to Tell Them Apart
Palau Nightjar
Brown and rufous mottled above with dark vermiculations; pale buff throat patch; small pale wing spots; tail barred brown and buff without bold white markings; Palau endemic; relatively large and …
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
Palau Nightjar
팔라우 섬에 고유한 중형 쏙독새(약 92 g). 주요 섬의 삼림, 이차림, 관목지에 산다. 암호화 갈색과 황갈색 깃털을 가진다. 야행성 곤충 포식자이다. 제한된 바다 섬 서식지에서 최소관심종이지만 생태 정보는 거의 알려져 있지 않다.
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.