Heinrich's Nightjar vs White-throated Nightjar
Eurostopodus diabolicus 对比 Eurostopodus mystacalis
Side-by-Side Comparison
| 属性 | Heinrich's Nightjar | White-throated Nightjar |
|---|---|---|
| 学名 | Eurostopodus diabolicus | Eurostopodus mystacalis |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 39.9 cm (15.7 in) | 50.4 cm (19.8 in) |
| 体重 | 104.0 g (3.67 oz) | 138.25 g (4.88 oz) |
| 食性 | Nocturnal aerial insectivore; catches moths and beetles in flight over Sulawesi forest; poorly known. | Catches large flying insects, especially moths and beetles, in aerial sallies over Australian and Pacific … |
| 产卵数 | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
共同栖息地
Heinrich's Nightjar only
无
White-throated Nightjar only
Song & Call Comparison
Heinrich's Nightjar
Haunting, hollow 'ku-WOO' repeated rhythmically; deep resonant quality; distinctive mournful whistle carrying through Sulawesi forest at night
White-throated Nightjar
Resonant, churring song; rapid 'good-lord-deliver-us' or 'chaw-chaw-chaw'; low, bubbling trill carrying through rainforest; softer than related species
Geographic Range & Migration
Heinrich's Nightjar
Endemic to Sulawesi, Indonesia; resident of montane forest; extremely rare and poorly known, with very few records.
White-throated Nightjar
Resident of open woodland and scrub in eastern and northern Australia; also found on offshore islands and in southern New Guinea.
保护状况
Heinrich's Nightjar
White-throated Nightjar
How to Tell Them Apart
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.
White-throated Nightjar
Grey-brown with rufous and black mottling; large bold white throat patch distinctive; no white wing spots or tail markings; well-camouflaged on bark. Male and female similar; one of the larger …
About These Birds
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。
White-throated Nightjar
大型夜鹰（约138克）。分布于澳大利亚东部和新几内亚沿海。喉部有白色斑块。无危。