Chuck-will's-widow vs Andaman Nightjar
Antrostomus carolinensis 比較対象 Caprimulgus andamanicus
Side-by-Side Comparison
| 属性 | Chuck-will's-widow | Andaman Nightjar |
|---|---|---|
| 学名 | Antrostomus carolinensis | Caprimulgus andamanicus |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保全状況 | Near Threatened | Least Concern |
| 体長 | — | — |
| 翼開長 | 41.5 cm (16.3 in) | 36.4 cm (14.3 in) |
| 体重 | 112.94000000000001 g (3.98 oz) | 66.06666666666666 g (2.33 oz) |
| 食性 | Hawks large moths, beetles, and flying insects at night; large gape allows capture of small … | Night-hunting insectivore targeting moths, flying beetles, and winged ants in erratic low-altitude aerial passes. |
| 一腹卵数 | 2 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Chuck-will's-widow
Loud, whistled 'chuck-WILL's-WI-dow'; rich and rolling; lower and fuller than Whip-poor-will; carries far through southeastern US forest; calls persistently all night
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
Chuck-will's-widow
Breeds in dense woodland and forest edge in eastern North America from the Gulf states north to southern Ontario; winters in Cuba and 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.
保全状況
Chuck-will's-widow
Andaman Nightjar
How to Tell Them Apart
Chuck-will's-widow
Large; warm brown and buff mottled above with rufous tones; buff-brown throat collar; white inner webs of outer tail feathers in male; male with white gorget; female has buff throat …
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
Chuck-will's-widow
North America's largest Caprimulgidae nightjar (~113 g), breeding in open pine and oak woodland of the southeastern United States, wintering in the Caribbean and Central America. Named for its loud, distinctive call. Feeds on large moths, beetles, and occasionally small birds. Near Threatened from habitat loss.
Andaman Nightjar
体長24〜26cmのアンダマン諸島固有のヨタカ。暗褐色で赤褐色の首輪がある。