Red-necked Nightjar vs Heinrich's Nightjar
Caprimulgus ruficollis 对比 Eurostopodus diabolicus
Side-by-Side Comparison
| 属性 | Red-necked Nightjar | Heinrich's Nightjar |
|---|---|---|
| 学名 | Caprimulgus ruficollis | Eurostopodus diabolicus |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保护状况 | Near Threatened | Least Concern |
| 体长 | — | — |
| 翼展 | 39.6 cm (15.6 in) | 39.9 cm (15.7 in) |
| 体重 | 86.33333333333333 g (3.05 oz) | 104.0 g (3.67 oz) |
| 食性 | Hawks large moths, beetles, and flying insects at night over Iberian and North African scrub … | Nocturnal aerial insectivore; catches moths and beetles in flight over Sulawesi forest; poorly known. |
| 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
Heinrich's Nightjar
Haunting, hollow 'ku-WOO' repeated rhythmically; deep resonant quality; distinctive mournful whistle carrying through Sulawesi forest at night
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.
Heinrich's Nightjar
Endemic to Sulawesi, Indonesia; resident of montane forest; extremely rare and poorly known, with very few records.
保护状况
Red-necked Nightjar
Heinrich's 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.
Heinrich's Nightjar
Rufous-brown and dark brown mottled with buff vermiculations; large pale buff throat patch; pale buff supercilium; no white wing markings; tail darkly barred brown and buff. Poorly known; Sulawesi endemic.
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。
Heinrich's Nightjar
中型夜鹰（约104克），印度尼西亚苏拉威西特有种。夜行性食虫鸟。无危。