Fiery-necked Nightjar vs Lesser Nighthawk
Caprimulgus pectoralis 比較対象 Chordeiles acutipennis
Side-by-Side Comparison
| 属性 | Fiery-necked Nightjar | Lesser Nighthawk |
|---|---|---|
| 学名 | Caprimulgus pectoralis | Chordeiles acutipennis |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 31.9 cm (12.6 in) | 33.0 cm (13.0 in) |
| 体重 | 52.083333333333336 g (1.84 oz) | 50.0 g (1.76 oz) |
| 食性 | Feeds at dusk and night on moths and large flying beetles caught in aerial sallies … | 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
Fiery-necked Nightjar
Rich, melodic 'good-lord-deliver-us'; beautiful flute-like whistled phrase; most musical of African nightjars; calls from savanna woodland at dusk; unmistakable song
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
Fiery-necked Nightjar
Found in East Africa from Ethiopia south to Tanzania on mountain ranges. Resident in montane moorland and forest edge at 1,500–4,000 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
Fiery-necked Nightjar
Lesser Nighthawk
How to Tell Them Apart
Fiery-necked Nightjar
Distinctive bold orange-rufous hindneck collar contrasting with dark brown crown; upperparts brown with black streaks and buff mottling; white throat patch; males show white outer tail spots; Africa's most recognisable …
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
Fiery-necked Nightjar
体長23〜25cmのサハラ以南アフリカに生息するヨタカ。赤褐色の首輪と「グッドロード・デリバー・アス」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。