Pennant-winged Nightjar vs Papuan Nightjar
Caprimulgus vexillarius เปรียบเทียบกับ Eurostopodus papuensis
Side-by-Side Comparison
| คุณสมบัติ | Pennant-winged Nightjar | Papuan Nightjar |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Caprimulgus vexillarius | Eurostopodus papuensis |
| อันดับ | Caprimulgiformes | Caprimulgiformes |
| วงศ์ตระกูล | Caprimulgidae | Caprimulgidae |
| สถานะการอนุรักษ์ | Least Concern | Least Concern |
| ความยาว | — | — |
| กว้างปีก | 41.4 cm (16.3 in) | 37.9 cm (14.9 in) |
| น้ำหนัก | 189.70000000000002 g (6.69 oz) | 80.5 g (2.84 oz) |
| อาหาร | Crepuscular forager targeting moths, termites, and large beetles; patrols forest edges and clearings at dusk. | Hawks large flying insects, especially moths, at night over Papuan forest and savanna. |
| จำนวนไข่ | 1-2 | 1 |
| Population Trend | — | — |
Habitat Comparison
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Pennant-winged Nightjar only
Papuan Nightjar only
Song & Call Comparison
Pennant-winged Nightjar
Melodic whistled churring; cleaner, more musical than most African nightjars; male's display call a repeated mellow whistle; calls at dusk across miombo woodland
Papuan Nightjar
Churring, repetitive nocturnal call; soft bubbling trill; melodic series of hollow notes; calls from low perch or ground in New Guinea lowland forest
Geographic Range & Migration
Pennant-winged Nightjar
Found across sub-Saharan Africa from Guinea east to Ethiopia and south to Angola. Resident in dry savanna, open woodland, and Sahel scrubland.
Papuan Nightjar
Resident of savanna woodland, grass, and scrub in lowland New Guinea (Papua, Indonesia and Papua New Guinea).
สถานะการอนุรักษ์
Pennant-winged Nightjar
Papuan Nightjar
How to Tell Them Apart
Pennant-winged Nightjar
Large; dark brown and black upperparts with white wing-covert spots; large white primary patches visible in flight; breeding males grow extraordinary white pennant-shaped ninth primary extensions reaching 50 cm; females …
Papuan Nightjar
Dark grey-brown finely vermiculated with buff and black; pale buff and rufous throat patch; pale supercilium; no white wing patches; tail barred brown and buff; cryptically patterned bark-mimicking plumage.
About These Birds
Pennant-winged Nightjar
A spectacular nightjar (24-28 cm) of southern African open woodlands. Breeding males develop extraordinary elongated innermost primary feathers trailing as white pennants up to 60 cm long during courtship display flights. Nocturnal insectivore; a long-distance intra-African migrant.
Papuan Nightjar
A small Caprimulgidae nightjar (~81 g) of lowland savanna, grassland, and forest edges across the southern lowlands of New Guinea. Cryptic buff-and-brown plumage; white-spotted wings visible in flight. Nocturnal aerial insectivore. Commonly heard at night but rarely seen by day. Least Concern.