Timor Nightjar vs Lesser Nighthawk
Caprimulgus ritae 对比 Chordeiles acutipennis
Side-by-Side Comparison
| 属性 | Timor Nightjar | Lesser Nighthawk |
|---|---|---|
| 学名 | Caprimulgus ritae | Chordeiles acutipennis |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保护状况 | Not Evaluated | Least Concern |
| 体长 | — | — |
| 翼展 | — | 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 … |
| 产卵数 | -- | 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.
保护状况
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
帝汶夜鹰，帝汶岛（小巽他群岛）特有种，栖息于干燥季风林，相关数据有限。
Lesser Nighthawk
小夜鹰(Chordeiles acutipennis)是一种体重约50克的夜鹰科鸟类，栖息于从美国西南部和墨西哥到哥斯达黎加的荒漠、半干旱灌木丛和开阔林地，冬季迁徙至南美洲。在地面营巢，体色斑驳褐色，具出色的隐蔽性，以昆虫为食。