Chirruping Nightjar vs Spotted Nightjar
Caprimulgus griseatus 对比 Eurostopodus argus
Side-by-Side Comparison
| 属性 | Chirruping Nightjar | Spotted Nightjar |
|---|---|---|
| 学名 | Caprimulgus griseatus | 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 | Night-hunting insectivore taking moths, flying beetles, and termites in sustained aerial pursuits. | 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
Chirruping Nightjar
Distinctive chirruping trill; rapid high-pitched 'chi-chi-chi-rrr'; sharper and more staccato than typical Caprimulgus; calls at dusk from open habitats
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
Chirruping Nightjar
Found across sub-Saharan Africa from Senegal east to Somalia and south to South Africa. Common on rocky outcrops and granite hills in 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
Chirruping Nightjar
Spotted Nightjar
How to Tell Them Apart
Chirruping Nightjar
Grey-brown upperparts with blackish streaks and pale buff vermiculations; buff-white chin and throat; underparts barred pale buff and dark brown; recently split from Savanna Nightjar, differing in subtle plumage and …
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
Chirruping Nightjar
灌丛夜鹰，体长20–22厘米，分布于哥伦比亚、委内瑞拉和圭亚那干旱灌丛，淡灰褐色。
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。