Mozambique Nightjar vs Spotted Nightjar
Caprimulgus fossii 对比 Eurostopodus argus
Side-by-Side Comparison
| 属性 | Mozambique Nightjar | Spotted Nightjar |
|---|---|---|
| 学名 | Caprimulgus fossii | Eurostopodus argus |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 31.0 cm (12.2 in) | 42.7 cm (16.8 in) |
| 体重 | 61.7 g (2.18 oz) | 102.5 g (3.62 oz) |
| 食性 | Feeds nocturnally on flying insects, chiefly moths and beetles, by hawking low over arid scrub … | 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
Song & Call Comparison
Mozambique Nightjar
Loud churring trill; resonant 'charrr' from miombo woodland; calls from sandy ground at night; alarm a sharp 'churk'; one of southern Africa's most familiar nightjar calls
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
Mozambique Nightjar
Breeds in West Africa from Senegal east to Ethiopia. Intra-African migrant; male has extraordinary elongated flag-like wing feathers.
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
Mozambique Nightjar
Spotted Nightjar
How to Tell Them Apart
Mozambique Nightjar
Grey-brown upperparts with black streaks and pale buff freckling; white throat patch; underparts barred buff and dark brown; males show white outer tail corners; Southern African bird distinguished by greyer …
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
Mozambique Nightjar
方尾夜鹰，体长22–24厘米，分布于南非和东非，灰褐色有显著白色翅尾斑，发出嗡嗡声。
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。