Sykes's Nightjar vs Cayenne Nightjar
Caprimulgus mahrattensis 비교 대상 Setopagis maculosa
Side-by-Side Comparison
| 속성 | Sykes's Nightjar | Cayenne Nightjar |
|---|---|---|
| 학명 | Caprimulgus mahrattensis | Setopagis maculosa |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Caprimulgidae | Caprimulgidae |
| 보전 상태 | Least Concern | Data Deficient |
| 체장 | — | — |
| 날개 폭 | 33.9 cm (13.3 in) | 27.8 cm (10.9 in) |
| 체중 | 57.0 g (2.01 oz) | 47.0 g (1.66 oz) |
| 식성 | Crepuscular and nocturnal insectivore; forages by sight for moths and large flying beetles above humid … | Catches flying insects in aerial pursuit at night over South American forest and scrub. |
| 산란 수 | 2 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Sykes's Nightjar
Churring trill with hollow 'chuck' interspersed; 'chuck-churr' pattern; calls from Pakistani desert scrub at night; calls during moonlit nights from sandy ground
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
Sykes's Nightjar
Found in Pakistan, northwestern India, and adjacent Iran and Afghanistan. Resident in dry scrub, rocky hillsides, and semi-desert plains.
Cayenne Nightjar
Known from a few specimens from French Guiana; possibly a rare resident of coastal forest and scrub; poorly known.
보전 상태
Sykes's Nightjar
Cayenne Nightjar
How to Tell Them Apart
Sykes's Nightjar
Pale greyish-brown upperparts with intricate black-brown shaft streaks and pale buff freckling; whitish chin bar; underparts buff with sparse brown barring; resembles Egyptian but greyer overall.
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
Sykes's Nightjar
이란에서 파키스탄과 인도 서부에 걸친 건조·반건조 지역에 사는 소형 밝은 색 쏙독새(23 cm). 모래 빛 회색 깃털이 사막 지형에 잘 섞인다. 야행성으로 가볍게 날아다니며 나방과 딱정벌레를 먹는다. 거주성 및 부분 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.