Nubian Nightjar vs Lesser Nighthawk
Caprimulgus nubicus 比較対象 Chordeiles acutipennis
Side-by-Side Comparison
| 属性 | Nubian Nightjar | Lesser Nighthawk |
|---|---|---|
| 学名 | Caprimulgus nubicus | Chordeiles acutipennis |
| 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) | 33.0 cm (13.0 in) |
| 体重 | 54.8 g (1.93 oz) | 50.0 g (1.76 oz) |
| 食性 | Feeds on flying insects at night, mainly moths and beetles, by coursing low over open … | 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
Nubian Nightjar
Rapid, churring trill; nasal 'churr-churr' at medium pace; calls from arid African scrub and rocky desert at night; alarm a sharp 'chek'; calls mostly near water
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
Nubian Nightjar
Found in a disjunct range across the Middle East and northeastern Africa including Israel, Egypt, Sudan, and Somalia. Resident in rocky desert.
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
Nubian Nightjar
Lesser Nighthawk
How to Tell Them Apart
Nubian Nightjar
Richly patterned rufous-buff and dark brown upperparts; prominent tawny-orange nuchal collar; white throat patch; males have white spots on primary tips; overall warmer tones than most African 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
Nubian Nightjar
体長20〜22cmのアフリカの角・アラビア半島の淡い砂褐色のヨタカ。分布域が限られた準絶滅危惧種。
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。