Andaman Nightjar vs Least Poorwill
Caprimulgus andamanicus 比較対象 Siphonorhis brewsteri
Side-by-Side Comparison
| 属性 | Andaman Nightjar | Least Poorwill |
|---|---|---|
| 学名 | Caprimulgus andamanicus | Siphonorhis brewsteri |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保全状況 | Least Concern | Near Threatened |
| 体長 | — | — |
| 翼開長 | 36.4 cm (14.3 in) | 22.7 cm (8.9 in) |
| 体重 | 66.06666666666666 g (2.33 oz) | 44.0 g (1.55 oz) |
| 食性 | Night-hunting insectivore targeting moths, flying beetles, and winged ants in erratic low-altitude aerial passes. | Nocturnal aerial insectivore; catches small flying insects near ground over Hispaniolan 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
Least Poorwill
Soft, melodic 'poor-will' whistle; gentle and repetitive; calls from dry scrub at night; higher-pitched than Common Poorwill; subtle and often overlooked
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.
Least Poorwill
Endemic to Hispaniola (Haiti and Dominican Republic); resident of open dry forest and scrub; rare and sparsely distributed.
保全状況
Andaman Nightjar
Least Poorwill
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 …
Least Poorwill
Small; brown and buff mottled with fine dark vermiculations; pale buff throat bordered by dark lateral spots; buff and dark barred tail; no white in wings or tail; male with …
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。
Least Poorwill
A small Caprimulgidae poorwill (~44 g) of dry scrub and thorn woodland in Hispaniola. Brown-and-buff cryptic plumage. Little studied; biology poorly known for this island endemic. Feeds on insects at night. Near Threatened owing to ongoing habitat degradation and deforestation on Hispaniola. Rarely encountered.