Heinrich's Nightjar vs New Caledonian Nightjar
Eurostopodus diabolicus 对比 Eurostopodus exul
Side-by-Side Comparison
| 属性 | Heinrich's Nightjar | New Caledonian Nightjar |
|---|---|---|
| 学名 | Eurostopodus diabolicus | Eurostopodus exul |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保护状况 | Least Concern | Not Evaluated |
| 体长 | — | — |
| 翼展 | 39.9 cm (15.7 in) | 36.4 cm (14.3 in) |
| 体重 | 104.0 g (3.67 oz) | 77.0 g (2.72 oz) |
| 食性 | Nocturnal aerial insectivore; catches moths and beetles in flight over Sulawesi forest; poorly known. | Feeds on flying insects caught in aerial pursuit at night; extinct in New Caledonia, diet … |
| 产卵数 | 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
New Caledonian Nightjar
Poorly documented calls; presumed churring nocturnal song similar to congeners; deep resonant trilling at low pitch; vocalizations essentially unknown
Geographic Range & Migration
Heinrich's Nightjar
Endemic to Sulawesi, Indonesia; resident of montane forest; extremely rare and poorly known, with very few records.
New Caledonian Nightjar
Formerly endemic to New Caledonia; known from historical records only; possibly extinct, last confirmed late 19th century.
保护状况
Heinrich's Nightjar
New Caledonian 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.
New Caledonian Nightjar
Brown and grey mottled with buff and dark vermiculations; whitish-buff throat patch; fine pale shaft streaks on crown; no white in wings or tail; known from very few specimens; New …
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。
New Caledonian Nightjar
小型夜鹰（约77克），新喀里多尼亚特有种。仅知于极少数标本；可能已灭绝。