Sykes's Nightjar vs Papuan Nightjar
Caprimulgus mahrattensis 对比 Eurostopodus papuensis
Side-by-Side Comparison
| 属性 | Sykes's Nightjar | Papuan Nightjar |
|---|---|---|
| 学名 | Caprimulgus mahrattensis | Eurostopodus papuensis |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 33.9 cm (13.3 in) | 37.9 cm (14.9 in) |
| 体重 | 57.0 g (2.01 oz) | 80.5 g (2.84 oz) |
| 食性 | 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. |
| 产卵数 | 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).
保护状况
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
赛克斯夜鹰，体长23厘米，小型淡色，分布于伊朗至巴基斯坦至印度西部，沙灰色沙漠羽毛。
Papuan Nightjar
小型夜鹰（约81克）。分布于新几内亚南部低地。无危。