Andaman Nightjar vs Madagascar Nightjar
Caprimulgus andamanicus 比較対象 Caprimulgus madagascariensis
Side-by-Side Comparison
| 属性 | Andaman Nightjar | Madagascar Nightjar |
|---|---|---|
| 学名 | Caprimulgus andamanicus | Caprimulgus madagascariensis |
| 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) | 30.4 cm (12.0 in) |
| 体重 | 66.06666666666666 g (2.33 oz) | 42.333333333333336 g (1.49 oz) |
| 食性 | Night-hunting insectivore targeting moths, flying beetles, and winged ants in erratic low-altitude aerial passes. | Crepuscular and nocturnal moth specialist; supplements diet with beetles and flying termites over open woodland. |
| 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
Madagascar Nightjar
Churring call from Madagascar scrub; rhythmic 'trrr-trrr' at moderate tempo; endemic; calls at dusk and dawn from open woodland and hedgerows; alarm a sharp click
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.
Madagascar Nightjar
Found across sub-Saharan Africa from Senegal east to Ethiopia and south to South Africa. Resident in swampy grassland and wetland margins.
保全状況
Andaman Nightjar
Madagascar 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 …
Madagascar Nightjar
Brown upperparts intricately patterned with black streaks and pale tawny freckles; buff-white throat band; underparts finely barred buff and dark brown; island endemic with slightly warmer coloration than continental African …
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。
Madagascar Nightjar
体長23〜25cmのマダガスカル固有のヨタカ。乾燥落葉林から湿潤雨林に生息する。