Heinrich's Nightjar vs Papuan Nightjar
Eurostopodus diabolicus 对比 Eurostopodus papuensis
Side-by-Side Comparison
| 属性 | Heinrich's Nightjar | Papuan Nightjar |
|---|---|---|
| 学名 | Eurostopodus diabolicus | Eurostopodus papuensis |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 39.9 cm (15.7 in) | 37.9 cm (14.9 in) |
| 体重 | 104.0 g (3.67 oz) | 80.5 g (2.84 oz) |
| 食性 | Nocturnal aerial insectivore; catches moths and beetles in flight over Sulawesi forest; poorly known. | Hawks large flying insects, especially moths, at night over Papuan forest and savanna. |
| 产卵数 | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Heinrich's Nightjar
Haunting, hollow 'ku-WOO' repeated rhythmically; deep resonant quality; distinctive mournful whistle carrying through Sulawesi forest at night
Papuan Nightjar
Churring, repetitive nocturnal call; soft bubbling trill; melodic series of hollow notes; calls from low perch or ground in New Guinea lowland forest
Geographic Range & Migration
Heinrich's Nightjar
Endemic to Sulawesi, Indonesia; resident of montane forest; extremely rare and poorly known, with very few records.
Papuan Nightjar
Resident of savanna woodland, grass, and scrub in lowland New Guinea (Papua, Indonesia and Papua New Guinea).
保护状况
Heinrich's Nightjar
Papuan 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.
Papuan Nightjar
Dark grey-brown finely vermiculated with buff and black; pale buff and rufous throat patch; pale supercilium; no white wing patches; tail barred brown and buff; cryptically patterned bark-mimicking plumage.
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。
Papuan Nightjar
小型夜鹰（约81克）。分布于新几内亚南部低地。无危。