Andaman Nightjar vs Grey Nightjar
Caprimulgus andamanicus в сравнении с Caprimulgus jotaka
Side-by-Side Comparison
| Характеристика | Andaman Nightjar | Grey Nightjar |
|---|---|---|
| Научное название | Caprimulgus andamanicus | Caprimulgus jotaka |
| Отряд | Caprimulgiformes | Caprimulgiformes |
| Семейство | Caprimulgidae | Caprimulgidae |
| Охранный статус | Least Concern | Least Concern |
| Длина | — | — |
| Размах крыльев | 36,4 cm (14.3 in) | 40,7 cm (16.0 in) |
| Масса | 66,06666666666666 g (2.33 oz) | 84,4 g (2.98 oz) |
| Питание | 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 … |
| Размер кладки | 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.
Охранный статус
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
A medium-sized nightjar (24-26 cm) endemic to the Andaman Islands in the Bay of Bengal. Dark brown plumage with rufous collar spots. Nocturnal insectivore of lowland and mangrove forests. A sedentary species with a restricted island range.
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.