Salvadori's Nightjar vs Heinrich's Nightjar
Caprimulgus pulchellus مقارنةً بـ Eurostopodus diabolicus
Side-by-Side Comparison
| السمة | Salvadori's Nightjar | Heinrich's Nightjar |
|---|---|---|
| الاسم العلمي | Caprimulgus pulchellus | Eurostopodus diabolicus |
| الرتبة | Caprimulgiformes | Caprimulgiformes |
| الفصيلة | Caprimulgidae | Caprimulgidae |
| حالة الحفاظ | Least Concern | Least Concern |
| الطول | — | — |
| طول الجناح | 30,8 cm (12.1 in) | 39,9 cm (15.7 in) |
| الوزن | 57,5 g (2.03 oz) | 104,0 g (3.67 oz) |
| النظام الغذائي | -- | Nocturnal aerial insectivore; catches moths and beetles in flight over Sulawesi forest; poorly known. |
| عدد البيض في الوضع | 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.
حالة الحفاظ
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
A medium-sized nightjar (24-26 cm) endemic to montane forests of Sumatra and Java, Indonesia. Dark brown plumage with rufous collar patches. Nocturnal insectivore of high-altitude forests above 1,000 m. Classified as Vulnerable due to habitat loss in montane regions.
Heinrich's Nightjar
A medium Caprimulgidae nightjar (~104 g) endemic to the forest and forest-edge habitats of Sulawesi, Indonesia. Cryptically patterned brown-and-buff. Nocturnal insectivore; catches moths and beetles in aerial sallies. Little studied and rarely encountered in the field. Least Concern within its Sulawesi range.