Red-necked Nightjar vs Spotted Nightjar
Caprimulgus ruficollis 对比 Eurostopodus argus
Side-by-Side Comparison
| 属性 | Red-necked Nightjar | Spotted Nightjar |
|---|---|---|
| 学名 | Caprimulgus ruficollis | Eurostopodus argus |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保护状况 | Near Threatened | Least Concern |
| 体长 | — | — |
| 翼展 | 39.6 cm (15.6 in) | 42.7 cm (16.8 in) |
| 体重 | 86.33333333333333 g (3.05 oz) | 102.5 g (3.62 oz) |
| 食性 | Hawks large moths, beetles, and flying insects at night over Iberian and North African 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
Red-necked Nightjar
Loud, resonant 'cut-CHER-cut' or 'cotcorotcot'; far-carrying hollow knocking; churring trill between phrases; calls from scrubby Mediterranean habitats at night
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
Red-necked Nightjar
Breeds on the Iberian Peninsula, Morocco, and northwestern Algeria; long-distance migrant wintering in sub-Saharan West Africa from Senegal to Guinea.
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
Red-necked Nightjar
Spotted Nightjar
How to Tell Them Apart
Red-necked Nightjar
Large nightjar; grey-brown mottled above; rufous-orange hindneck collar diagnostic; white throat patch in male; white spots on wing coverts and outer tail in male; buff equivalents in female.
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
Red-necked Nightjar
红颈夜鹰，约86克，繁殖于伊比利亚半岛和西北非洲，棕红色颈环，近危。
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。