Andaman Nightjar vs Large-tailed Nightjar
Caprimulgus andamanicus 比較対象 Caprimulgus macrurus
Side-by-Side Comparison
| 属性 | Andaman Nightjar | Large-tailed Nightjar |
|---|---|---|
| 学名 | Caprimulgus andamanicus | Caprimulgus macrurus |
| 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) | 35.8 cm (14.1 in) |
| 体重 | 66.06666666666666 g (2.33 oz) | 69.16666666666667 g (2.44 oz) |
| 食性 | Night-hunting insectivore targeting moths, flying beetles, and winged ants in erratic low-altitude aerial passes. | Nocturnal feeder on flying insects including moths, beetles, and larger dipterans; hunts in low coursing … |
| 一腹卵数 | 1-2 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
共通生息地
Andaman Nightjar only
None
Large-tailed Nightjar only
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
Large-tailed Nightjar
Loud, resonant 'chuck-chuck-churr'; hollow knocking notes with long trill; one of Asia's commonest nightjars; calls persistently from forest edges; carries great distance
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.
Large-tailed Nightjar
Found from India and Sri Lanka east to the Philippines and northern Australia. Resident in forest edge, secondary growth, and plantations.
保全状況
Andaman Nightjar
Large-tailed 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 …
Large-tailed Nightjar
Intricately patterned brown, black, and buff upperparts; pale supercilium contrasts with dark crown; white throat patch; males show conspicuous white outer tail feathers and white primary spots; long tail distinctive.
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。
Large-tailed Nightjar
体長25〜33cmの南・東南アジアからオーストラリアに生息するヨタカ。赤褐色の首輪とトク・トク・トクという鳴き声が特徴。