Rufous-cheeked Nightjar vs Spotted Nightjar
Caprimulgus rufigena 对比 Eurostopodus argus
Side-by-Side Comparison
| 属性 | Rufous-cheeked Nightjar | Spotted Nightjar |
|---|---|---|
| 学名 | Caprimulgus rufigena | Eurostopodus argus |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 32.1 cm (12.6 in) | 42.7 cm (16.8 in) |
| 体重 | 54.68333333333334 g (1.93 oz) | 102.5 g (3.62 oz) |
| 食性 | Nocturnal aerial insectivore; catches moths, crickets, and beetles in sustained low-altitude hunting flights. | Aerial insectivore; hawks large moths, beetles, and flying insects at dusk and dawn over Australian … |
| 产卵数 | 1-2 | 1 |
| Population Trend | — | — |
Habitat Comparison
共同栖息地
无
Rufous-cheeked Nightjar only
Spotted Nightjar only
Song & Call Comparison
Rufous-cheeked Nightjar
Rapid churring trill interspersed with 'chook' notes; churring 'rrr-chook-rrr-chook' pattern; calls from southern African woodland at night; distinctive interrupted rhythm
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
Rufous-cheeked Nightjar
Breeds in southern Africa from Namibia to South Africa. Partially migratory, moving north in austral winter. Found in dry woodland and savanna.
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
Rufous-cheeked Nightjar
Spotted Nightjar
How to Tell Them Apart
Rufous-cheeked Nightjar
Cryptic brown-grey upperparts with bold black streaks; distinctive warm rufous-cinnamon cheek patch; white throat patch; males show white outer tail corners absent in females.
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
Rufous-cheeked Nightjar
棕颊夜鹰，体长23–25厘米，有棕色颊斑，分布于东非和南非干旱稀树草原和灌丛，为非洲内部迁徙鸟类。
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。