Sykes's Nightjar vs Spotted Nightjar
Caprimulgus mahrattensis 对比 Eurostopodus argus
Side-by-Side Comparison
| 属性 | Sykes's Nightjar | Spotted Nightjar |
|---|---|---|
| 学名 | Caprimulgus mahrattensis | Eurostopodus argus |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 33.9 cm (13.3 in) | 42.7 cm (16.8 in) |
| 体重 | 57.0 g (2.01 oz) | 102.5 g (3.62 oz) |
| 食性 | Crepuscular and nocturnal insectivore; forages by sight for moths and large flying beetles above humid … | Aerial insectivore; hawks large moths, beetles, and flying insects at dusk and dawn over Australian … |
| 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
Spotted Nightjar
Loud churring 'good-lord-deliver-us' repeated at dusk; melodic bubbling quality; also emits hollow 'cow-cow-cow' series and soft frog-like croaking
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.
Spotted Nightjar
Resident and partial migrant of open woodland, grassland, and scrub across mainland Australia and migrating to New Guinea and Indonesia in winter.
保护状况
Sykes's Nightjar
Spotted 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.
Spotted Nightjar
Cryptically mottled grey-brown, rufous, and black with intricate vermiculations; distinctive large white spots on wing coverts; white throat patch; no white in wings or tail. Sexes similar with slight pattern …
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。
Spotted Nightjar
中型夜鹰（约103克）。栖息于澳大利亚大陆的开阔林地和纺锤草草地。无危。