Large-tailed Nightjar vs Lesser Nighthawk
Caprimulgus macrurus 比較対象 Chordeiles acutipennis
Side-by-Side Comparison
| 属性 | Large-tailed Nightjar | Lesser Nighthawk |
|---|---|---|
| 学名 | Caprimulgus macrurus | Chordeiles acutipennis |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 35.8 cm (14.1 in) | 33.0 cm (13.0 in) |
| 体重 | 69.16666666666667 g (2.44 oz) | 50.0 g (1.76 oz) |
| 食性 | Nocturnal feeder on flying insects including moths, beetles, and larger dipterans; hunts in low coursing … | 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
共通生息地
Large-tailed Nightjar only
Lesser Nighthawk only
Song & Call Comparison
Large-tailed Nightjar
Loud, resonant 'chuck-chuck-churr'; hollow knocking notes with long trill; one of Asia's commonest nightjars; calls persistently from forest edges; carries great distance
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
Large-tailed Nightjar
Found from India and Sri Lanka east to the Philippines and northern Australia. Resident in forest edge, secondary growth, and plantations.
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
Large-tailed Nightjar
Lesser Nighthawk
How to Tell Them Apart
Large-tailed Nightjar
Intricately patterned brown, black, and buff upperparts; pale supercilium contrasts with dark crown; white throat patch; males show conspicuous white outer tail feathers and white primary spots; long tail distinctive.
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
Large-tailed Nightjar
体長25〜33cmの南・東南アジアからオーストラリアに生息するヨタカ。赤褐色の首輪とトク・トク・トクという鳴き声が特徴。
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。