Salvadori's Nightjar vs Heinrich's Nightjar
Caprimulgus pulchellus 比較対象 Eurostopodus diabolicus
Side-by-Side Comparison
| 属性 | Salvadori's Nightjar | Heinrich's Nightjar |
|---|---|---|
| 学名 | Caprimulgus pulchellus | Eurostopodus diabolicus |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 30.8 cm (12.1 in) | 39.9 cm (15.7 in) |
| 体重 | 57.5 g (2.03 oz) | 104.0 g (3.67 oz) |
| 食性 | -- | Nocturnal aerial insectivore; catches moths and beetles in flight over Sulawesi forest; poorly known. |
| 一腹卵数 | 1-2 | 1 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Salvadori's Nightjar
Churring trill; repetitive 'chrrr' from Sumatran highland forest; calls at night from mossy forest understory; moderate pitch; similar to but separable from Bornean species
Heinrich's Nightjar
Haunting, hollow 'ku-WOO' repeated rhythmically; deep resonant quality; distinctive mournful whistle carrying through Sulawesi forest at night
Geographic Range & Migration
Salvadori's Nightjar
Heinrich's Nightjar
Endemic to Sulawesi, Indonesia; resident of montane forest; extremely rare and poorly known, with very few records.
保全状況
Salvadori's Nightjar
Heinrich's Nightjar
How to Tell Them Apart
Salvadori's Nightjar
Attractively patterned dark brown and buff upperparts; warm buff supercilium and throat patch; rufous-buff spotting on wing coverts; underparts barred buff; montane Sundaland endemic with relatively rich coloration.
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
Salvadori's Nightjar
体長24〜26cmのスマトラ・ジャワの山地林（標高1,000m以上）に生息する脆弱種のヨタカ。生息地の喪失が脅威。
Heinrich's Nightjar
スラウェシ島固有のヨタカで、体重104g。「悪魔のヨタカ」という名で知られる。