Andaman Nightjar vs Sombre Nightjar
Caprimulgus andamanicus so với Caprimulgus fraenatus
Side-by-Side Comparison
| Thuộc Tính | Andaman Nightjar | Sombre Nightjar |
|---|---|---|
| Tên Khoa Học | Caprimulgus andamanicus | Caprimulgus fraenatus |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Caprimulgidae | Caprimulgidae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 36,4 cm (14.3 in) | 32,4 cm (12.8 in) |
| Khối Lượng | 66,06666666666666 g (2.33 oz) | 60,0 g (2.12 oz) |
| Chế Độ Ăn | 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 … |
| Số Trứng | 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.
Tình Trạng Bảo Tồn
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
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.
Sombre Nightjar
A medium-sized nightjar (23-25 cm) with cryptic grey-brown plumage and a pale collar. Nocturnal and insectivorous, hawking moths and beetles in flight. Found in open woodland and savanna across sub-Saharan Africa from Ethiopia to South Africa. Resident or short-distance migrant.