Slender-tailed Nightjar vs Antillean Nighthawk
Caprimulgus clarus 比較対象 Chordeiles gundlachii
Side-by-Side Comparison
| 属性 | Slender-tailed Nightjar | Antillean Nighthawk |
|---|---|---|
| 学名 | Caprimulgus clarus | Chordeiles gundlachii |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 29.6 cm (11.7 in) | 34.2 cm (13.5 in) |
| 体重 | 43.0 g (1.52 oz) | 56.05 g (1.98 oz) |
| 食性 | Nocturnal aerial insectivore specialising in large moths and flying beetles, caught in slow erratic hunting … | Catches flying insects in aerial sallies over Caribbean open country and coastal scrub at dusk. |
| 一腹卵数 | 2 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Slender-tailed Nightjar
Rapid churring trill; 'trrr-trrr' at steady pace; calls from East African dry scrub at night; lighter than Long-tailed Nightjar; alarm a quiet 'chek'
Antillean Nighthawk
Distinctive 'kill-and-dee-dick' or 'killydee'; buzzy nasal call audible overhead; faster and shorter phrasing than Common Nighthawk; Caribbean accent clear
Geographic Range & Migration
Slender-tailed Nightjar
Found from Angola and the DRC south through Zambia and Zimbabwe to South Africa. Resident in woodland and savanna near rocky outcrops.
Antillean Nighthawk
Breeds in the Caribbean (Bahamas, Cuba, Cayman Islands, Jamaica) and Florida Keys; partially migratory within the Caribbean region.
保全状況
Slender-tailed Nightjar
Antillean Nighthawk
How to Tell Them Apart
Slender-tailed Nightjar
Pale brown upperparts with black streaks and buff-white spotting; whitish supercilium; white throat patch; underparts buff barred brown; males have elongated but narrower tail feathers than Long-tailed Nightjar.
Antillean Nighthawk
Brown and buff mottled above with dark brown streaking; white throat patch in male; barred buff-white underparts; white wing bar across primaries; white tail band in male; female has buff …
About These Birds
Slender-tailed Nightjar
体長24〜27cmの東・南アフリカの開けた草地・林地に生息するヨタカ。ナガオヨタカより淡色。
Antillean Nighthawk
アンティルナイトホーク(Chordeiles gundlachii)はカリブ海の島々に生息するナイトホークです。フロリダキーズでも繁殖が確認されています。体長約20cmで、夜行性の昆虫食鳥です。海岸部の開けた生息地を好みます。