Egyptian Nightjar vs Lesser Nighthawk
Caprimulgus aegyptius 比較対象 Chordeiles acutipennis
Side-by-Side Comparison
| 属性 | Egyptian Nightjar | Lesser Nighthawk |
|---|---|---|
| 学名 | Caprimulgus aegyptius | Chordeiles acutipennis |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 40.2 cm (15.8 in) | 33.0 cm (13.0 in) |
| 体重 | 77.0 g (2.72 oz) | 50.0 g (1.76 oz) |
| 食性 | Night-active insect hawker taking moths, beetles, and flying termites during sallies over tropical forest clearings. | 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
Egyptian Nightjar
Soft, repetitive 'qurr-qurr'; purring trill from desert scrub; quieter than most Caprimulgus; calls carry across open sandy terrain at night; alarm a low 'croak'
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
Egyptian Nightjar
Breeds in North Africa and the Middle East east to Pakistan. Migrant wintering in sub-Saharan Africa. Found in sandy desert and semi-arid terrain.
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
Egyptian Nightjar
Lesser Nighthawk
How to Tell Them Apart
Egyptian Nightjar
Pale sandy-buff overall with fine dark brown speckles and streaks; whitish throat patch; wings show ochre spotting on coverts; one of the palest nightjars, adapted to arid desert habitats.
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
Egyptian Nightjar
体長25cmの淡い砂色の隠蔽色を持つヨタカ。サハラから中東・中央アジアに生息し、長距離渡りを行う。
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。