Andaman Nightjar vs Long-tailed Nightjar
Caprimulgus andamanicus 比較対象 Caprimulgus climacurus
Side-by-Side Comparison
| 属性 | Andaman Nightjar | Long-tailed Nightjar |
|---|---|---|
| 学名 | Caprimulgus andamanicus | Caprimulgus climacurus |
| 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) | 28.6 cm (11.3 in) |
| 体重 | 66.06666666666666 g (2.33 oz) | 48.333333333333336 g (1.70 oz) |
| 食性 | Night-hunting insectivore targeting moths, flying beetles, and winged ants in erratic low-altitude aerial passes. | Crepuscular to nocturnal; feeds predominantly on moths and flying beetles, hawked in open flight near … |
| 一腹卵数 | 1-2 | 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
Long-tailed Nightjar
Churring trill with hollow 'cuck' notes; 'cuck-churr-cuck' pattern; calls from West African woodland at night; alarm a sharp bark; persistent caller in dry season
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.
Long-tailed Nightjar
Found in East Africa from Ethiopia south to Kenya and Tanzania. Resident in open bushland. Male has elongated outer tail feathers with bare shafts.
保全状況
Andaman Nightjar
Long-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 …
Long-tailed Nightjar
Brown and black cryptic upperparts; white throat patch; males sport extremely elongated central tail feathers twice body length with bare white rachis; females much shorter-tailed; West African savanna specialist.
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。
Long-tailed Nightjar
体長21〜28cmのサハラ以南アフリカに生息するヨタカ。繁殖期の雄は著しく長い尾羽を持つ。