Andaman Nightjar vs Sombre Nightjar
Caprimulgus andamanicus 对比 Caprimulgus fraenatus
Side-by-Side Comparison
| 属性 | Andaman Nightjar | Sombre Nightjar |
|---|---|---|
| 学名 | Caprimulgus andamanicus | Caprimulgus fraenatus |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 36.4 cm (14.3 in) | 32.4 cm (12.8 in) |
| 体重 | 66.06666666666666 g (2.33 oz) | 60.0 g (2.12 oz) |
| 食性 | Night-hunting insectivore targeting moths, flying beetles, and winged ants in erratic low-altitude aerial passes. | Feeds at night on flying insects including moths and beetles; hunts with buoyant erratic flight … |
| 产卵数 | 1-2 | 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
Sombre Nightjar
Monotonous churring trill; repetitive 'churr' at moderate tempo from East African scrub; lower-pitched and less musical than some relatives; calls persistently at night
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.
Sombre Nightjar
Found across East Africa from Ethiopia and Somalia south to Tanzania. Resident in dry acacia scrub, thornbush, and arid savanna at low elevations.
保护状况
Andaman Nightjar
Sombre 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 …
Sombre Nightjar
Uniformly dark sooty-brown upperparts with dense blackish vermiculations; pale buff supercilium and narrow white submoustachial stripe; underparts barred buff and dark brown. Sexes similar.
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。
Sombre Nightjar
雀斑夜鹰变种，体长23–25厘米，分布于撒哈拉以南非洲（埃塞俄比亚至南非），栖息于开阔林地和稀树草原。