Andaman Nightjar vs Nacunda Nighthawk
Caprimulgus andamanicus so với Chordeiles nacunda
Side-by-Side Comparison
| Thuộc Tính | Andaman Nightjar | Nacunda Nighthawk |
|---|---|---|
| Tên Khoa Học | Caprimulgus andamanicus | Chordeiles nacunda |
| 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) | 47,6 cm (18.7 in) |
| Khối Lượng | 66,06666666666666 g (2.33 oz) | 157,0 g (5.54 oz) |
| Chế Độ Ăn | Night-hunting insectivore targeting moths, flying beetles, and winged ants in erratic low-altitude aerial passes. | Aerial insectivore; forages in flocks hawking flying insects over South American grassland and open country. |
| Số Trứng | 1-2 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
Andaman Nightjar only
Không
Nacunda 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
Nacunda Nighthawk
Deep, booming 'na-KUN-da' or 'woop-woop'; low-pitched buzzy calls; wings produce loud rattling sound in display; louder than most nighthawks
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.
Nacunda Nighthawk
Resident of open savanna, grassland, and scrub from Colombia and Venezuela south through Brazil to Argentina; partially nomadic.
Tình Trạng Bảo Tồn
Andaman Nightjar
Nacunda 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 …
Nacunda Nighthawk
Large nighthawk; brown above with buff mottling; white throat and belly contrasting strongly with dark breast; bold white wing bar across primaries visible in flight; white tail band. Female has …
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.
Nacunda Nighthawk
The largest New World nighthawk (~157 g), family Caprimulgidae, of open savanna and grassland in South America east of the Andes. White belly is conspicuous in flight. Highly gregarious; roosts and hunts in flocks. Crepuscular and nocturnal aerial insectivore. Partially migratory in austral winter. Least Concern.