Bonaparte's Nightjar vs Cayenne Nightjar
Caprimulgus concretus 비교 대상 Setopagis maculosa
Side-by-Side Comparison
| 속성 | Bonaparte's Nightjar | Cayenne Nightjar |
|---|---|---|
| 학명 | Caprimulgus concretus | Setopagis maculosa |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Caprimulgidae | Caprimulgidae |
| 보전 상태 | Vulnerable | Data Deficient |
| 체장 | — | — |
| 날개 폭 | 32.8 cm (12.9 in) | 27.8 cm (10.9 in) |
| 체중 | 57.5 g (2.03 oz) | 47.0 g (1.66 oz) |
| 식성 | Crepuscular and nocturnal insectivore; catches moths, beetles, and large flying insects on the wing in … | Catches flying insects in aerial pursuit at night over South American forest and scrub. |
| 산란 수 | 1 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Bonaparte's Nightjar
Churring call from Borneo lowland forest; repetitive hollow trill; rarely recorded; calls at night from dense humid forest; alarm a sharp bark note
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
Bonaparte's Nightjar
Found in highland Borneo and Sumatra in montane forest at 1,000–2,500 m. Endemic to the Sundaic region; infrequently recorded.
Cayenne Nightjar
Known from a few specimens from French Guiana; possibly a rare resident of coastal forest and scrub; poorly known.
보전 상태
Bonaparte's Nightjar
Cayenne Nightjar
How to Tell Them Apart
Bonaparte's Nightjar
Rich dark brown upperparts with black-centred feathers and buff-chestnut edging; white throat patch; densely barred underparts; males have white outer tail feathers; Bornean endemic with notably deep brown tones.
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
Bonaparte's Nightjar
보르네오와 수마트라 저지대 및 이탄 습지 삼림에 사는 소형 쏙독새(20-22 cm). 어두운 갈색 몸통에 잘게 세로줄이 있다. 울창한 삼림 서식지 때문에 연구가 부족하며, 삼림 훼손으로 인해 준위협종이다.
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.