Savanna Nightjar vs Andaman Nightjar
Caprimulgus affinis 比較対象 Caprimulgus andamanicus
Side-by-Side Comparison
| 属性 | Savanna Nightjar | Andaman Nightjar |
|---|---|---|
| 学名 | Caprimulgus affinis | Caprimulgus andamanicus |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 31.9 cm (12.6 in) | 36.4 cm (14.3 in) |
| 体重 | 74.16666666666667 g (2.62 oz) | 66.06666666666666 g (2.33 oz) |
| 食性 | Nocturnal aerial feeder on moths, beetles, and flying bugs; forages in open areas near woodland … | Night-hunting insectivore targeting moths, flying beetles, and winged ants in erratic low-altitude aerial passes. |
| 一腹卵数 | 1-2 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Savanna Nightjar
Loud, churring 'chwerrr'; resonant trill from South and Southeast Asian open habitats; calls from bare ground and burnt areas; very common nocturnal sound
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
Geographic Range & Migration
Savanna Nightjar
Found in Indonesia and the Philippines on Sulawesi, Mindanao, and adjacent islands. Resident in lowland forest edge and scrub.
Andaman Nightjar
Endemic to the Philippines including Luzon and Mindanao. Resident in lowland and submontane forest and forest edge up to 1,800 m.
保全状況
Savanna Nightjar
Andaman Nightjar
How to Tell Them Apart
Savanna Nightjar
Pale greyish-brown upperparts with black shaft streaks and buff spotting; whitish supercilium and moustachial stripe; white throat patch; males show large white outer tail patches; widespread across South and Southeast …
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 …
About These Birds
Savanna Nightjar
体長20〜23cmのパキスタンからフィリピンの南・東南アジアに生息するヨタカ。白い翼斑が特徴。
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。