Andaman Nightjar vs Plain Nightjar
Caprimulgus andamanicus 对比 Caprimulgus inornatus
Side-by-Side Comparison
| 属性 | Andaman Nightjar | Plain Nightjar |
|---|---|---|
| 学名 | Caprimulgus andamanicus | Caprimulgus inornatus |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 36.4 cm (14.3 in) | 30.6 cm (12.0 in) |
| 体重 | 66.06666666666666 g (2.33 oz) | 45.75 g (1.61 oz) |
| 食性 | Night-hunting insectivore targeting moths, flying beetles, and winged ants in erratic low-altitude aerial passes. | Feeds nocturnally on moths and large beetles in erratic low-level hunting flights over tropical scrub. |
| 产卵数 | 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
Plain Nightjar
Monotonous churring trill; steady 'churrrrr' from African savanna; calls persistently at night; plain plumage matched by relatively unvaried, repetitive song
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.
Plain Nightjar
Found from Ethiopia and Somalia south to Kenya and Tanzania. Resident in arid acacia scrub and dry open country. Closely related to Nubian Nightjar.
保护状况
Andaman Nightjar
Plain 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 …
Plain Nightjar
Uniformly plain sandy-grey upperparts with minimal patterning; faint pale supercilium; small whitish throat spot; underparts pale buff with fine barring; among the least boldly marked nightjars, blending into Sahel scrubland.
About These Birds
Andaman Nightjar
安达曼夜鹰,体长24–26厘米,安达曼群岛特有种,深褐色有棕色颈环。
Plain Nightjar
素色夜鹰,体长21–23厘米,分布于非洲萨赫勒地带(塞内加尔至索马里),淡沙色羽毛,游荡性。