Savanna Nightjar vs Cayenne Nightjar
Caprimulgus affinis 비교 대상 Setopagis maculosa
Side-by-Side Comparison
| 속성 | Savanna Nightjar | Cayenne Nightjar |
|---|---|---|
| 학명 | Caprimulgus affinis | Setopagis maculosa |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Caprimulgidae | Caprimulgidae |
| 보전 상태 | Least Concern | Data Deficient |
| 체장 | — | — |
| 날개 폭 | 31.9 cm (12.6 in) | 27.8 cm (10.9 in) |
| 체중 | 74.16666666666667 g (2.62 oz) | 47.0 g (1.66 oz) |
| 식성 | Nocturnal aerial feeder on moths, beetles, and flying bugs; forages in open areas near woodland … | 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
Savanna Nightjar
Loud, churring 'chwerrr'; resonant trill from South and Southeast Asian open habitats; calls from bare ground and burnt areas; very common nocturnal sound
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
Savanna Nightjar
Found in Indonesia and the Philippines on Sulawesi, Mindanao, and adjacent islands. Resident in lowland forest edge and scrub.
Cayenne Nightjar
Known from a few specimens from French Guiana; possibly a rare resident of coastal forest and scrub; poorly known.
보전 상태
Savanna Nightjar
Cayenne Nightjar
How to Tell Them Apart
Savanna Nightjar
Pale greyish-brown upperparts with black shaft streaks and buff spotting; whitish supercilium and moustachial stripe; white throat patch; males show large white outer tail patches; widespread across South and Southeast …
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
Savanna Nightjar
인도 아대륙에서 동남아시아까지 넓게 분포하는 소형 쏙독새. 밝은 갈색 보호색을 가지며, 개활 서식지, 삼림 가장자리, 농경지에 산다. 야행성 곤충을 먹는다. 거주성이며, 빠르게 반복하는 특유의 울음소리를 가진다.
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.