Andaman Nightjar vs Little Nightjar
Caprimulgus andamanicus 比較対象 Setopagis parvula
Side-by-Side Comparison
| 属性 | Andaman Nightjar | Little Nightjar |
|---|---|---|
| 学名 | Caprimulgus andamanicus | Setopagis parvula |
| 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) | 26.6 cm (10.5 in) |
| 体重 | 66.06666666666666 g (2.33 oz) | 35.75 g (1.26 oz) |
| 食性 | Night-hunting insectivore targeting moths, flying beetles, and winged ants in erratic low-altitude aerial passes. | Catches small flying insects at night over South American open grassland and dry scrub. |
| 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
Little Nightjar
Rapid, churring 'churr-churr-churr' repeated monotonously; moderate pitch; calls from open cerrado at night; alarm a sharp 'chek'; small size reflected in lighter tone
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.
Little Nightjar
Resident of dry woodland, scrub, and cerrado from Venezuela and the Guianas south through Brazil to Bolivia and northern Argentina.
保全状況
Andaman Nightjar
Little 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 …
Little Nightjar
Grey-brown and buff mottled with dark vermiculations; white throat patch in male; white outer tail spots in male; buff throat and tail spots in female; no white wing patches; pale …
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。
Little Nightjar
A small Caprimulgidae nightjar (~36 g) of open woodland, chaco, and savanna in Bolivia, Paraguay, Argentina, and southern Brazil. Pale brown with fine buff vermiculations; white primary patches visible in flight. Calls with a rapid churring trill. Nocturnal insectivore. Common in dry-land habitats; Least Concern.