Timor Nightjar vs Lesser Nighthawk
Caprimulgus ritae 比較対象 Chordeiles acutipennis
Side-by-Side Comparison
| 属性 | Timor Nightjar | Lesser Nighthawk |
|---|---|---|
| 学名 | Caprimulgus ritae | Chordeiles acutipennis |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保全状況 | Not Evaluated | Least Concern |
| 体長 | — | — |
| 翼開長 | — | 33.0 cm (13.0 in) |
| 体重 | — | 50.0 g (1.76 oz) |
| 食性 | Feeds nocturnally on moths and beetles caught in sustained low hawking flights over open and … | Hawks small flying insects at dusk and dawn over North and South American arid scrub … |
| 一腹卵数 | -- | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Timor Nightjar
Poorly documented; presumed churring calls similar to Large-tailed Nightjar complex; vocalizations from Timor essentially unrecorded; calls at dusk from scrub
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
Timor Nightjar
Endemic to the Andaman and Nicobar Islands in the eastern Indian Ocean. Resident in forest edge, secondary growth, and coastal scrub.
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
Timor Nightjar
Lesser Nighthawk
How to Tell Them Apart
Timor Nightjar
Dark sooty-brown upperparts densely patterned with blackish streaks and pale buff spots; whitish throat band; underparts buff with dark brown barring; restricted to Timor with limited information on plumage variation.
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
Timor Nightjar
レッサーサンダ諸島のティモール島固有のヨタカ。乾燥したモンスーン林に生息し、データが少ない。
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。