Tawny-collared Nightjar vs Andaman Nightjar
Antrostomus salvini so với Caprimulgus andamanicus
Side-by-Side Comparison
| Thuộc Tính | Tawny-collared Nightjar | Andaman Nightjar |
|---|---|---|
| Tên Khoa Học | Antrostomus salvini | Caprimulgus andamanicus |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Caprimulgidae | Caprimulgidae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 33,8 cm (13.3 in) | 36,4 cm (14.3 in) |
| Khối Lượng | 56,0 g (1.98 oz) | 66,06666666666666 g (2.33 oz) |
| Chế Độ Ăn | Aerial insectivore; hawks moths and beetles at night over Central American forest and forest edge. | Night-hunting insectivore targeting moths, flying beetles, and winged ants in erratic low-altitude aerial passes. |
| Số Trứng | 2 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Tawny-collared Nightjar
Loud 'WHEEP' or 'weet' repeated at intervals; sharp, whistled call; carries through Mexican highland forest; higher-pitched than Chuck-will's-widow; distinctive sharp quality
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
Geographic Range & Migration
Tawny-collared Nightjar
Resident of tropical dry forest and scrub in eastern Mexico (Veracruz, Oaxaca, Tabasco) and northern Central America.
Andaman Nightjar
Endemic to the Philippines including Luzon and Mindanao. Resident in lowland and submontane forest and forest edge up to 1,800 m.
Tình Trạng Bảo Tồn
Tawny-collared Nightjar
Andaman Nightjar
How to Tell Them Apart
Tawny-collared Nightjar
Brown and buff mottled above; distinctive tawny-buff collar encircling hindneck diagnostic; white gorget in male; pale buff underparts with dark barring; white outer tail spots in male; Mexican dry forests.
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 …
About These Birds
Tawny-collared Nightjar
A medium-small Caprimulgidae nightjar (~56 g) of humid foothill and montane forest edges in northeastern Mexico, Guatemala, Belize, and Honduras. Named for its tawny hindneck collar. Brown-mottled plumage; males have white tail corners. Roosts on the ground; feeds nocturnally on insects. Least Concern.
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.