Heinrich's Nightjar vs Scrub Nightjar
Eurostopodus diabolicus مقارنةً بـ Nyctidromus anthonyi
Side-by-Side Comparison
| السمة | Heinrich's Nightjar | Scrub Nightjar |
|---|---|---|
| الاسم العلمي | Eurostopodus diabolicus | Nyctidromus anthonyi |
| الرتبة | Caprimulgiformes | Caprimulgiformes |
| الفصيلة | Caprimulgidae | Caprimulgidae |
| حالة الحفاظ | Least Concern | Least Concern |
| الطول | — | — |
| طول الجناح | 39,9 cm (15.7 in) | 24,8 cm (9.8 in) |
| الوزن | 104,0 g (3.67 oz) | 36,2 g (1.28 oz) |
| النظام الغذائي | Nocturnal aerial insectivore; catches moths and beetles in flight over Sulawesi forest; poorly known. | Catches flying insects in nocturnal aerial sallies over arid scrub of Ecuador and Peru. |
| عدد البيض في الوضع | 1 | 1-2 |
| 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
Scrub Nightjar
Whistled churring phrases; melodic 'pweer-pweer' series; similar to Pauraque but drier and less rich; calls from scrubby desert at night; contact a soft 'chuck'
Geographic Range & Migration
Heinrich's Nightjar
Endemic to Sulawesi, Indonesia; resident of montane forest; extremely rare and poorly known, with very few records.
Scrub Nightjar
Resident of arid scrub, dry woodland, and coastal zones in western Ecuador and northwestern Peru.
حالة الحفاظ
Heinrich's Nightjar
Scrub 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.
Scrub Nightjar
Pale sandy-brown with fine dark brown vermiculations; white throat patch; white outer tail feathers in male; no white wing bar; smaller and paler overall than Pauraque; buff outer tail in …
About These Birds
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.
Scrub Nightjar
A small Caprimulgidae nightjar (~36 g) of arid coastal scrub and thorn-scrub in southwestern Ecuador and northwestern Peru. Pale sandy-buff and brown plumage suits its xeric habitat. Closely related to the Pauraque but smaller and paler. Nocturnal insectivore; calls at dusk. Least Concern in its limited range.