Andaman Nightjar vs Little Nightjar
Caprimulgus andamanicus so với Setopagis parvula
Side-by-Side Comparison
| Thuộc Tính | Andaman Nightjar | Little Nightjar |
|---|---|---|
| Tên Khoa Học | Caprimulgus andamanicus | Setopagis parvula |
| 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) | 26,6 cm (10.5 in) |
| Khối Lượng | 66,06666666666666 g (2.33 oz) | 35,75 g (1.26 oz) |
| Chế Độ Ăn | Night-hunting insectivore targeting moths, flying beetles, and winged ants in erratic low-altitude aerial passes. | Catches small flying insects at night over South American open grassland and dry scrub. |
| Số Trứng | 1-2 | 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
Little Nightjar
Rapid, churring 'churr-churr-churr' repeated monotonously; moderate pitch; calls from open cerrado at night; alarm a sharp 'chek'; small size reflected in lighter tone
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.
Little Nightjar
Resident of dry woodland, scrub, and cerrado from Venezuela and the Guianas south through Brazil to Bolivia and northern Argentina.
Tình Trạng Bảo Tồn
Andaman Nightjar
Little 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 …
Little Nightjar
Grey-brown and buff mottled with dark vermiculations; white throat patch in male; white outer tail spots in male; buff throat and tail spots in female; no white wing patches; pale …
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.
Little Nightjar
A small Caprimulgidae nightjar (~36 g) of open woodland, chaco, and savanna in Bolivia, Paraguay, Argentina, and southern Brazil. Pale brown with fine buff vermiculations; white primary patches visible in flight. Calls with a rapid churring trill. Nocturnal insectivore. Common in dry-land habitats; Least Concern.