Lesser Nighthawk vs Pauraque
Chordeiles acutipennis 比較対象 Nyctidromus albicollis
Side-by-Side Comparison
| 属性 | Lesser Nighthawk | Pauraque |
|---|---|---|
| 学名 | Chordeiles acutipennis | Nyctidromus albicollis |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 33.0 cm (13.0 in) | 30.2 cm (11.9 in) |
| 体重 | 50.0 g (1.76 oz) | 54.275 g (1.91 oz) |
| 食性 | Hawks small flying insects at dusk and dawn over North and South American arid scrub … | Nocturnal aerial insectivore; hawks moths, beetles, and flying insects over Neotropical forest edges and clearings. |
| 一腹卵数 | 1-2 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
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
Pauraque
Loud, whistled 'wh-WHEER' or 'come-to-me'; clear melodic quality; rich, slurred whistle carrying through lowland forest; alarm a harsh bark; common sound at dusk
Geographic Range & Migration
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.
Pauraque
Widespread resident of open woodland, scrub, and forest edge from Texas (USA) south through Central America and tropical South America to Argentina.
保全状況
Lesser Nighthawk
Pauraque
How to Tell Them Apart
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 …
Pauraque
Brown and rufous mottled above with dark vermiculations; white throat patch bordered by rufous; white outer tail feathers in male; white wing bar visible in flight. Female has buff outer …
About These Birds
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。
Pauraque
A medium Caprimulgidae nightjar (~54 g) of forest edges, gardens, and open scrub from Texas south through Central and South America. Distinctively long tail with white outer rectrices; rufous facial patch. Highly vocal at night with loud repeated 'pur-WEE' calls. Feeds on moths and beetles. Least Concern.