Rufous Nightjar vs Andaman Nightjar
Antrostomus rufus เปรียบเทียบกับ Caprimulgus andamanicus
Side-by-Side Comparison
| คุณสมบัติ | Rufous Nightjar | Andaman Nightjar |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Antrostomus rufus | Caprimulgus andamanicus |
| อันดับ | Caprimulgiformes | Caprimulgiformes |
| วงศ์ตระกูล | Caprimulgidae | Caprimulgidae |
| สถานะการอนุรักษ์ | Least Concern | Least Concern |
| ความยาว | — | — |
| กว้างปีก | 33.8 cm (13.3 in) | 36.4 cm (14.3 in) |
| น้ำหนัก | 87.0 g (3.07 oz) | 66.06666666666666 g (2.33 oz) |
| อาหาร | Nocturnal aerial insectivore; catches large moths and beetles in low aerial sallies over South American … | Night-hunting insectivore targeting moths, flying beetles, and winged ants in erratic low-altitude aerial passes. |
| จำนวนไข่ | 1-2 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Rufous Nightjar
Loud 'chuck-BURR's' or rapid rolling phrase; rich, melodic whistle; carries across South American forest; distinctive chucking intro note before main phrase
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
Rufous Nightjar
Resident of open woodland and scrub in tropical South America from Colombia, Venezuela, and Trinidad south through Brazil to Bolivia and Argentina.
Andaman Nightjar
Endemic to the Philippines including Luzon and Mindanao. Resident in lowland and submontane forest and forest edge up to 1,800 m.
สถานะการอนุรักษ์
Rufous Nightjar
Andaman Nightjar
How to Tell Them Apart
Rufous Nightjar
Strongly rufous-brown overall with dark brown vermiculations; buff throat patch; white inner tail webs on outer tail feathers in male; no white gorget; uniformly rufous tones diagnostic among South American …
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
Rufous Nightjar
A medium Caprimulgidae nightjar (~87 g) of tropical dry forest, scrubby woodland, and clearings in Central and South America. Rich rufous-brown plumage makes it one of the more distinctively coloured nightjars. Calls with a rolling 'chuck-will's-widow'-like phrase in Spanish-speaking regions. Feeds on large 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.