Andaman Nightjar vs Nacunda Nighthawk
Caprimulgus andamanicus 比較対象 Chordeiles nacunda
Side-by-Side Comparison
| 属性 | Andaman Nightjar | Nacunda Nighthawk |
|---|---|---|
| 学名 | Caprimulgus andamanicus | Chordeiles nacunda |
| 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) | 47.6 cm (18.7 in) |
| 体重 | 66.06666666666666 g (2.33 oz) | 157.0 g (5.54 oz) |
| 食性 | Night-hunting insectivore targeting moths, flying beetles, and winged ants in erratic low-altitude aerial passes. | Aerial insectivore; forages in flocks hawking flying insects over South American grassland and open country. |
| 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
Nacunda Nighthawk
Deep, booming 'na-KUN-da' or 'woop-woop'; low-pitched buzzy calls; wings produce loud rattling sound in display; louder than most nighthawks
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.
Nacunda Nighthawk
Resident of open savanna, grassland, and scrub from Colombia and Venezuela south through Brazil to Argentina; partially nomadic.
保全状況
Andaman Nightjar
Nacunda 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 …
Nacunda Nighthawk
Large nighthawk; brown above with buff mottling; white throat and belly contrasting strongly with dark breast; bold white wing bar across primaries visible in flight; white tail band. Female has …
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。
Nacunda Nighthawk
ナクンダナイトホーク(Chordeiles nacunda)は南アメリカのグラン・チャコや草原地帯に生息する大型のナイトホークです。体長約28cmで、白い翼帯が特徴的です。開けた草原や農地を好み、群れで行動することがあります。