Andaman Nightjar vs Common Nighthawk
Caprimulgus andamanicus เปรียบเทียบกับ Chordeiles minor
Side-by-Side Comparison
| คุณสมบัติ | Andaman Nightjar | Common Nighthawk |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Caprimulgus andamanicus | Chordeiles minor |
| อันดับ | Caprimulgiformes | Caprimulgiformes |
| วงศ์ตระกูล | Caprimulgidae | Caprimulgidae |
| สถานะการอนุรักษ์ | Least Concern | Least Concern |
| ความยาว | — | — |
| กว้างปีก | 36.4 cm (14.3 in) | 38.6 cm (15.2 in) |
| น้ำหนัก | 66.06666666666666 g (2.33 oz) | 71.75 g (2.53 oz) |
| อาหาร | Night-hunting insectivore targeting moths, flying beetles, and winged ants in erratic low-altitude aerial passes. | Aerial insectivore; catches flying beetles, ants, moths, and flies in fast aerial pursuit over open … |
| จำนวนไข่ | 1-2 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
ถิ่นที่อยู่อาศัยร่วมกัน
Andaman Nightjar only
ไม่มี
Common Nighthawk 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
Common Nighthawk
Loud, nasal 'peent' call repeated in flight; display dive produces loud booming 'whomp' with wings; churring trill on breeding grounds; colonial roost cacophony
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.
Common Nighthawk
Breeds across North America from Alaska to the Gulf Coast; long-distance migrant wintering in South America south to Argentina.
สถานะการอนุรักษ์
Andaman Nightjar
Common Nighthawk
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 …
Common Nighthawk
Brown and grey mottled above; white throat in male; white and dark barred underparts; distinctive white wing bar across primaries positioned more centrally than in Lesser Nighthawk; white tail band …
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.
Common Nighthawk
A medium Caprimulgidae nighthawk (~72 g) widespread across North America, wintering in South America. Characterised by white wing patches conspicuous in erratic aerial flight. Breeds on flat gravel rooftops and open ground. Highly aerial; catches flying insects at dusk and night. Least Concern despite urban declines.