Sykes's Nightjar vs Papuan Nightjar
Caprimulgus mahrattensis เปรียบเทียบกับ Eurostopodus papuensis
Side-by-Side Comparison
| คุณสมบัติ | Sykes's Nightjar | Papuan Nightjar |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Caprimulgus mahrattensis | Eurostopodus papuensis |
| อันดับ | Caprimulgiformes | Caprimulgiformes |
| วงศ์ตระกูล | Caprimulgidae | Caprimulgidae |
| สถานะการอนุรักษ์ | Least Concern | Least Concern |
| ความยาว | — | — |
| กว้างปีก | 33.9 cm (13.3 in) | 37.9 cm (14.9 in) |
| น้ำหนัก | 57.0 g (2.01 oz) | 80.5 g (2.84 oz) |
| อาหาร | Crepuscular and nocturnal insectivore; forages by sight for moths and large flying beetles above humid … | Hawks large flying insects, especially moths, at night over Papuan forest and savanna. |
| จำนวนไข่ | 2 | 1 |
| 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
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
Sykes's Nightjar
Found in Pakistan, northwestern India, and adjacent Iran and Afghanistan. Resident in dry scrub, rocky hillsides, and semi-desert plains.
Papuan Nightjar
Resident of savanna woodland, grass, and scrub in lowland New Guinea (Papua, Indonesia and Papua New Guinea).
สถานะการอนุรักษ์
Sykes's Nightjar
Papuan 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.
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
Sykes's Nightjar
A small, pale nightjar (23 cm) of arid and semi-arid regions from Iran through Pakistan to western India. Sandy-grey plumage blends with desert terrain. Nocturnal insectivore, feeding on moths and beetles while in buoyant flight. Resident and partial 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.