Andaman Nightjar vs Common Nighthawk
Caprimulgus andamanicus 比較対象 Chordeiles minor
Side-by-Side Comparison
| 属性 | Andaman Nightjar | Common Nighthawk |
|---|---|---|
| 学名 | Caprimulgus andamanicus | Chordeiles minor |
| 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) | 38.6 cm (15.2 in) |
| 体重 | 66.06666666666666 g (2.33 oz) | 71.75 g (2.53 oz) |
| 食性 | Night-hunting insectivore targeting moths, flying beetles, and winged ants in erratic low-altitude aerial passes. | Aerial insectivore; catches flying beetles, ants, moths, and flies in fast aerial pursuit over open … |
| 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
Common Nighthawk
Loud, nasal 'peent' call repeated in flight; display dive produces loud booming 'whomp' with wings; churring trill on breeding grounds; colonial roost cacophony
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.
Common Nighthawk
Breeds across North America from Alaska to the Gulf Coast; long-distance migrant wintering in South America south to Argentina.
保全状況
Andaman Nightjar
Common Nighthawk
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 …
Common Nighthawk
Brown and grey mottled above; white throat in male; white and dark barred underparts; distinctive white wing bar across primaries positioned more centrally than in Lesser Nighthawk; white tail band …
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。
Common Nighthawk
コモンナイトホーク(Chordeiles minor)は北アメリカに広く分布するナイトホークです。夏はカナダや米国で繁殖し、冬は南アメリカに渡ります。体長約24cmで、「ピーント」という独特の鳴き声を持ちます。薄明時の飛行中に昆虫を捕食します。