Andaman Nightjar vs Bonaparte's Nightjar
Caprimulgus andamanicus 对比 Caprimulgus concretus
Side-by-Side Comparison
| 属性 | Andaman Nightjar | Bonaparte's Nightjar |
|---|---|---|
| 学名 | Caprimulgus andamanicus | Caprimulgus concretus |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保护状况 | Least Concern | Vulnerable |
| 体长 | — | — |
| 翼展 | 36.4 cm (14.3 in) | 32.8 cm (12.9 in) |
| 体重 | 66.06666666666666 g (2.33 oz) | 57.5 g (2.03 oz) |
| 食性 | Night-hunting insectivore targeting moths, flying beetles, and winged ants in erratic low-altitude aerial passes. | Crepuscular and nocturnal insectivore; catches moths, beetles, and large flying insects on the wing in … |
| 产卵数 | 1-2 | 1 |
| 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
Bonaparte's Nightjar
Churring call from Borneo lowland forest; repetitive hollow trill; rarely recorded; calls at night from dense humid forest; alarm a sharp bark note
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.
Bonaparte's Nightjar
Found in highland Borneo and Sumatra in montane forest at 1,000–2,500 m. Endemic to the Sundaic region; infrequently recorded.
保护状况
Andaman Nightjar
Bonaparte's 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 …
Bonaparte's Nightjar
Rich dark brown upperparts with black-centred feathers and buff-chestnut edging; white throat patch; densely barred underparts; males have white outer tail feathers; Bornean endemic with notably deep brown tones.
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。
Bonaparte's Nightjar
波拿巴夜鹰，体长20–22厘米，分布于婆罗洲和苏门答腊泥炭沼泽森林，近危（因森林砍伐）。