Large-tailed Nightjar vs Papuan Nightjar
Caprimulgus macrurus so với Eurostopodus papuensis
Side-by-Side Comparison
| Thuộc Tính | Large-tailed Nightjar | Papuan Nightjar |
|---|---|---|
| Tên Khoa Học | Caprimulgus macrurus | Eurostopodus papuensis |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Caprimulgidae | Caprimulgidae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 35,8 cm (14.1 in) | 37,9 cm (14.9 in) |
| Khối Lượng | 69,16666666666667 g (2.44 oz) | 80,5 g (2.84 oz) |
| Chế Độ Ăn | Nocturnal feeder on flying insects including moths, beetles, and larger dipterans; hunts in low coursing … | Hawks large flying insects, especially moths, at night over Papuan forest and savanna. |
| Số Trứng | 1-2 | 1 |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
Large-tailed Nightjar only
Papuan Nightjar only
Không
Song & Call Comparison
Large-tailed Nightjar
Loud, resonant 'chuck-chuck-churr'; hollow knocking notes with long trill; one of Asia's commonest nightjars; calls persistently from forest edges; carries great distance
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
Large-tailed Nightjar
Found from India and Sri Lanka east to the Philippines and northern Australia. Resident in forest edge, secondary growth, and plantations.
Papuan Nightjar
Resident of savanna woodland, grass, and scrub in lowland New Guinea (Papua, Indonesia and Papua New Guinea).
Tình Trạng Bảo Tồn
Large-tailed Nightjar
Papuan Nightjar
How to Tell Them Apart
Large-tailed Nightjar
Intricately patterned brown, black, and buff upperparts; pale supercilium contrasts with dark crown; white throat patch; males show conspicuous white outer tail feathers and white primary spots; long tail distinctive.
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
Large-tailed Nightjar
A large nightjar (25-33 cm) widespread from South and Southeast Asia to Australasia. Brown plumage with bold rufous collar patches. Crepuscular and nocturnal, feeding on insects in forest clearings and edges. Recognizable by its persistent, rhythmic tok-tok-tok call.
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.