Timor Nightjar vs Spotted Nightjar
Caprimulgus ritae 对比 Eurostopodus argus
Side-by-Side Comparison
| 属性 | Timor Nightjar | Spotted Nightjar |
|---|---|---|
| 学名 | Caprimulgus ritae | Eurostopodus argus |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保护状况 | Not Evaluated | Least Concern |
| 体长 | — | — |
| 翼展 | — | 42.7 cm (16.8 in) |
| 体重 | — | 102.5 g (3.62 oz) |
| 食性 | Feeds nocturnally on moths and beetles caught in sustained low hawking flights over open and … | Aerial insectivore; hawks large moths, beetles, and flying insects at dusk and dawn over Australian … |
| 产卵数 | -- | 1 |
| 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
Spotted Nightjar
Loud churring 'good-lord-deliver-us' repeated at dusk; melodic bubbling quality; also emits hollow 'cow-cow-cow' series and soft frog-like croaking
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.
Spotted Nightjar
Resident and partial migrant of open woodland, grassland, and scrub across mainland Australia and migrating to New Guinea and Indonesia in winter.
保护状况
Timor Nightjar
Spotted Nightjar
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.
Spotted Nightjar
Cryptically mottled grey-brown, rufous, and black with intricate vermiculations; distinctive large white spots on wing coverts; white throat patch; no white in wings or tail. Sexes similar with slight pattern …
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。
Spotted Nightjar
中型夜鹰（约103克）。栖息于澳大利亚大陆的开阔林地和纺锤草草地。无危。