Sulawesi Nightjar vs Cayenne Nightjar
Caprimulgus celebensis so với Setopagis maculosa
Side-by-Side Comparison
| Thuộc Tính | Sulawesi Nightjar | Cayenne Nightjar |
|---|---|---|
| Tên Khoa Học | Caprimulgus celebensis | Setopagis maculosa |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Caprimulgidae | Caprimulgidae |
| Tình Trạng Bảo Tồn | Least Concern | Data Deficient |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 37,4 cm (14.7 in) | 27,8 cm (10.9 in) |
| Khối Lượng | 63,166666666666664 g (2.23 oz) | 47,0 g (1.66 oz) |
| Chế Độ Ăn | Crepuscular insectivore specialising in large moths; also takes beetles and flies in low-level aerial sallies. | Catches flying insects in aerial pursuit at night over South American forest and scrub. |
| Số Trứng | -- | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Sulawesi Nightjar
Loud churring call; hollow 'chuck' notes with extended trill; calls at night from Sulawesi forest and scrub; endemic; 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
Sulawesi Nightjar
Found in Somalia, Kenya, and southern Ethiopia. Resident in arid thorn scrub and open acacia woodland. Uncommon and poorly known.
Cayenne Nightjar
Known from a few specimens from French Guiana; possibly a rare resident of coastal forest and scrub; poorly known.
Tình Trạng Bảo Tồn
Sulawesi Nightjar
Cayenne Nightjar
How to Tell Them Apart
Sulawesi Nightjar
Richly marked rufous-brown and dark grey upperparts; pale buff spotting on wing coverts; white throat patch; underparts buff-white barred brown; Sulawesi endemic showing warmer tones than many regional congeners.
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
Sulawesi Nightjar
A medium-sized nightjar (24-26 cm) endemic to the island of Sulawesi, Indonesia. Inhabits lowland and montane forests. Dark brown plumage with cryptic patterning. Nocturnal insectivore. A sedentary species; limited ecological data available due to restricted range.
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.