Salvadori's Nightjar vs Spotted Nightjar
Caprimulgus pulchellus 对比 Eurostopodus argus
Side-by-Side Comparison
| 属性 | Salvadori's Nightjar | Spotted Nightjar |
|---|---|---|
| 学名 | Caprimulgus pulchellus | Eurostopodus argus |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 30.8 cm (12.1 in) | 42.7 cm (16.8 in) |
| 体重 | 57.5 g (2.03 oz) | 102.5 g (3.62 oz) |
| 食性 | Strictly nocturnal aerial forager targeting moths and large beetles; hunts by sight in low, erratic … | Aerial insectivore; hawks large moths, beetles, and flying insects at dusk and dawn over Australian … |
| 产卵数 | 1-2 | 1 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Salvadori's Nightjar
Churring trill; repetitive 'chrrr' from Sumatran highland forest; calls at night from mossy forest understory; moderate pitch; similar to but separable from Bornean species
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
Salvadori's Nightjar
Known from a single specimen from the eastern DRC. One of Africa's rarest birds; range and habitat entirely unknown. Possibly highland forest.
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
Salvadori's Nightjar
Spotted Nightjar
How to Tell Them Apart
Salvadori's Nightjar
Attractively patterned dark brown and buff upperparts; warm buff supercilium and throat patch; rufous-buff spotting on wing coverts; underparts barred buff; montane Sundaland endemic with relatively rich coloration.
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
Salvadori's Nightjar
萨尔瓦多里夜鹰，体长24–26厘米，分布于苏门答腊和爪哇山地森林，易危（海拔1,000米以上栖息地丧失）。
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。