Andaman Nightjar vs Salvadori's Nightjar
Caprimulgus andamanicus 比較対象 Caprimulgus pulchellus
Side-by-Side Comparison
| 属性 | Andaman Nightjar | Salvadori's Nightjar |
|---|---|---|
| 学名 | Caprimulgus andamanicus | Caprimulgus pulchellus |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 36.4 cm (14.3 in) | 30.8 cm (12.1 in) |
| 体重 | 66.06666666666666 g (2.33 oz) | 57.5 g (2.03 oz) |
| 食性 | Night-hunting insectivore targeting moths, flying beetles, and winged ants in erratic low-altitude aerial passes. | Strictly nocturnal aerial forager targeting moths and large beetles; hunts by sight in low, erratic … |
| 一腹卵数 | 1-2 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Andaman Nightjar
Loud 'chuck-chuck-trrr'; hollow knocking prefix followed by trill; endemic to Andaman Islands; calls at night from forest edges and clearings; similar to Large-tailed
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
Geographic Range & Migration
Andaman Nightjar
Endemic to the Philippines including Luzon and Mindanao. Resident in lowland and submontane forest and forest edge up to 1,800 m.
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.
保全状況
Andaman Nightjar
Salvadori's Nightjar
How to Tell Them Apart
Andaman Nightjar
Warm rufous-brown upperparts with black-centred scapulars and pale buff streaks; broad white throat patch; males show white outer tail feathers; underparts buff barred brown; endemic island coloration slightly warmer than …
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.
About These Birds
Andaman Nightjar
体長24〜26cmのアンダマン諸島固有のヨタカ。暗褐色で赤褐色の首輪がある。
Salvadori's Nightjar
体長24〜26cmのスマトラ・ジャワの山地林(標高1,000m以上)に生息する脆弱種のヨタカ。生息地の喪失が脅威。