Andaman Nightjar vs Nechisar Nightjar
Caprimulgus andamanicus 比較対象 Caprimulgus solala
Side-by-Side Comparison
| 属性 | Andaman Nightjar | Nechisar Nightjar |
|---|---|---|
| 学名 | Caprimulgus andamanicus | Caprimulgus solala |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保全状況 | Least Concern | Vulnerable |
| 体長 | — | — |
| 翼開長 | 36.4 cm (14.3 in) | 37.0 cm (14.6 in) |
| 体重 | 66.06666666666666 g (2.33 oz) | 79.0 g (2.79 oz) |
| 食性 | Night-hunting insectivore targeting moths, flying beetles, and winged ants in erratic low-altitude aerial passes. | Nocturnal aerial insectivore; hawks moths and flying beetles over arid scrubland and rocky desert margins. |
| 一腹卵数 | 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
Nechisar Nightjar
Virtually unknown vocalizations; known only from a single wing feather; presumed churring song; critically rare Ethiopian endemic with essentially undescribed call
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.
Nechisar Nightjar
Found across the Sahel from Senegal east to Ethiopia and south to Uganda and Kenya. Resident in open savanna and dry grassland.
保全状況
Andaman Nightjar
Nechisar 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 …
Nechisar Nightjar
Known from a single wing feather specimen; dark brownish-black with pale buff and tawny mottling; intricate fine vermiculations consistent with Caprimulgus pattern; extremely poorly known Ethiopian endemic.
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。
Nechisar Nightjar
1990年にエチオピアのネキサル平野で採集された1標本と羽根のみが知られる絶滅危惧IA類のヨタカ。生態は不明。