Andaman Nightjar vs Grey Nightjar
Caprimulgus andamanicus 对比 Caprimulgus jotaka
Side-by-Side Comparison
| 属性 | Andaman Nightjar | Grey Nightjar |
|---|---|---|
| 学名 | Caprimulgus andamanicus | Caprimulgus jotaka |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 36.4 cm (14.3 in) | 40.7 cm (16.0 in) |
| 体重 | 66.06666666666666 g (2.33 oz) | 84.4 g (2.98 oz) |
| 食性 | Night-hunting insectivore targeting moths, flying beetles, and winged ants in erratic low-altitude aerial passes. | Hawks moths and large insects at dusk and night over East and SE Asian forest … |
| 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
Grey Nightjar
Persistent 'cawk-cawk-cawk'; hollow, frog-like notes repeated rapidly; calls from East Asian forests at night; higher-pitched variant churr also given; very persistent caller
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.
Grey Nightjar
Breeds in deciduous and mixed forest from far eastern Russia and northern China south to Korea and Japan; winters in southern and Southeast Asia.
保护状况
Andaman Nightjar
Grey 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 …
Grey Nightjar
Grey-brown above with pale buff vermiculations; grey tones stronger than Jungle Nightjar; white throat patch; white outer wing spots; white outer tail in male; buff throat and tail spots in …
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。
Grey Nightjar
A medium Caprimulgidae nightjar (~84 g) of montane forest and forest edges in Japan, Korea, and northeastern China, wintering in Southeast Asia. Greyish brown with fine vermiculations. Recently split from the Jungle Nightjar. Males call with a nasal 'pyo-pyo' at dusk. Feeds on flying insects. Least Concern.