Philippine Nightjar vs Lesser Nighthawk
Caprimulgus manillensis 比較対象 Chordeiles acutipennis
Side-by-Side Comparison
| 属性 | Philippine Nightjar | Lesser Nighthawk |
|---|---|---|
| 学名 | Caprimulgus manillensis | Chordeiles acutipennis |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 34.0 cm (13.4 in) | 33.0 cm (13.0 in) |
| 体重 | 66.41666666666667 g (2.34 oz) | 50.0 g (1.76 oz) |
| 食性 | Nocturnal aerial hunter; takes moths, large beetles, and flying termites during prolonged hunting flights at … | Hawks small flying insects at dusk and dawn over North and South American arid scrub … |
| 一腹卵数 | 1-2 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Philippine Nightjar
Repeated 'chuck-chuck-churr'; hollow resonant trill; calls at night from Philippine lowland forest; persistent caller at dusk; alarm a rapid 'chuck-chuck'
Lesser Nighthawk
Loud purring trill; buzzy 'brrrrr' given in flight; lower and softer than Common Nighthawk; males display with booming wingbeats; calls at dusk over deserts
Geographic Range & Migration
Philippine Nightjar
Endemic to Sulawesi and adjacent Indonesian islands in Wallacea. Resident in lowland and hill forest and secondary scrub up to 1,000 m.
Lesser Nighthawk
Breeds in open arid scrub from southwestern USA south through Central America to western South America; winters in Mexico and northern South America.
保全状況
Philippine Nightjar
Lesser Nighthawk
How to Tell Them Apart
Philippine Nightjar
Complex brown and black upperparts with buff-tawny edging; white throat patch and pale buff supercilium; males possess large white primary spots; underparts extensively barred; distinctly patterned among Philippine nightjars.
Lesser Nighthawk
Brown and buff mottled above; buff-white below with brown barring; white throat in male; white wing bar closer to wingtip than in Common Nighthawk; buff tail band. Female with buff …
About These Birds
Philippine Nightjar
体長24〜26cmのフィリピン固有のヨタカ。低地・山地林に生息する。
Lesser Nighthawk
ヒメナイトホーク(Chordeiles acutipennis)は北アメリカ南西部からブラジルにかけて広く分布するナイトホークです。体長約20cmで、細長い翼と独特の飛行パターンが特徴です。薄明時に昆虫を捕食し、砂地や岩石地の地面に営巣します。