Andaman Nightjar vs Standard-winged Nightjar
Caprimulgus andamanicus so với Caprimulgus longipennis
Side-by-Side Comparison
| Thuộc Tính | Andaman Nightjar | Standard-winged Nightjar |
|---|---|---|
| Tên Khoa Học | Caprimulgus andamanicus | Caprimulgus longipennis |
| 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) | 34,6 cm (13.6 in) |
| Khối Lượng | 66,06666666666666 g (2.33 oz) | 48,5 g (1.71 oz) |
| Chế Độ Ăn | Night-hunting insectivore targeting moths, flying beetles, and winged ants in erratic low-altitude aerial passes. | Nocturnal moth and beetle specialist; hunts in sustained low flight over dry open country and … |
| Số Trứng | 1-2 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
Andaman Nightjar only
Không
Standard-winged Nightjar only
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
Standard-winged Nightjar
Churring 'chrrr' from West African woodland; male performs display flight with elongated wing feathers; calls from open savanna; alarm a quiet 'chek'
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.
Standard-winged Nightjar
Breeds in central and southern Africa from Angola south to South Africa. Intra-African migrant; moves north in austral winter through miombo woodland.
Tình Trạng Bảo Tồn
Andaman Nightjar
Standard-winged 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 …
Standard-winged Nightjar
Brown and black cryptic upperparts; white throat patch; breeding males develop extraordinary elongated inner primaries as feather-flag standards up to 38 cm with small terminal vane; among Africa's most spectacular …
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.
Standard-winged Nightjar
A remarkable nightjar (22-28 cm) in which breeding males develop an extraordinary elongated innermost primary feather (up to 38 cm) with a broad, pennant-like flag. Found in moist savanna across West and Central Africa. Nocturnal insectivore; an intra-African migrant.