Andaman Nightjar vs Pygmy Nightjar
Caprimulgus andamanicus เปรียบเทียบกับ Nyctipolus hirundinaceus
Side-by-Side Comparison
| คุณสมบัติ | Andaman Nightjar | Pygmy Nightjar |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Caprimulgus andamanicus | Nyctipolus hirundinaceus |
| อันดับ | Caprimulgiformes | Caprimulgiformes |
| วงศ์ตระกูล | Caprimulgidae | Caprimulgidae |
| สถานะการอนุรักษ์ | Least Concern | Least Concern |
| ความยาว | — | — |
| กว้างปีก | 36.4 cm (14.3 in) | 24.8 cm (9.8 in) |
| น้ำหนัก | 66.06666666666666 g (2.33 oz) | 29.0 g (1.02 oz) |
| อาหาร | Night-hunting insectivore targeting moths, flying beetles, and winged ants in erratic low-altitude aerial passes. | Hawks small flying insects at night over Brazilian scrub (caatinga) and open forest. |
| จำนวนไข่ | 1-2 | 1 |
| 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
Pygmy Nightjar
High, thin churring trill; rapid 'chi-chi-chi' series; tiny for a nightjar; high-pitched reedy quality; calls from caatinga scrub at dusk; contact a thin 'tsip'
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.
Pygmy Nightjar
Endemic to northeastern Brazil (Bahia, Pernambuco, Piauí); resident of caatinga scrub and dry woodland; very restricted range.
สถานะการอนุรักษ์
Andaman Nightjar
Pygmy 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 …
Pygmy Nightjar
Tiny; brown and buff mottled above with rufous tones; pale buff below with brown barring; white throat patch in male; buff throat in female; no white wing markings; small white …
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.
Pygmy Nightjar
One of the smallest Caprimulgidae nightjars (~29 g), endemic to the caatinga and cerrado of eastern Brazil. Extremely tiny; pale buff and dark cryptic plumage. Roosts on sandy or stony ground. Named for its swift, swallow-like flight. Feeds on tiny insects at dusk. Least Concern in its open dry-land habitats.