Sulawesi Nightjar vs Heinrich's Nightjar
Caprimulgus celebensis verglichen mit Eurostopodus diabolicus
Side-by-Side Comparison
| Merkmal | Sulawesi Nightjar | Heinrich's Nightjar |
|---|---|---|
| Wissenschaftlicher Name | Caprimulgus celebensis | Eurostopodus diabolicus |
| Ordnung | Caprimulgiformes | Caprimulgiformes |
| Familie | Caprimulgidae | Caprimulgidae |
| Erhaltungsstatus | Least Concern | Least Concern |
| Länge | — | — |
| Flügelspannweite | 37,4 cm (14.7 in) | 39,9 cm (15.7 in) |
| Gewicht | 63,166666666666664 g (2.23 oz) | 104,0 g (3.67 oz) |
| Ernährung | -- | Nocturnal aerial insectivore; catches moths and beetles in flight over Sulawesi forest; poorly known. |
| Gelegegröße | -- | 1 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Sulawesi Nightjar
Loud churring call; hollow 'chuck' notes with extended trill; calls at night from Sulawesi forest and scrub; endemic; alarm a sharp bark note
Heinrich's Nightjar
Haunting, hollow 'ku-WOO' repeated rhythmically; deep resonant quality; distinctive mournful whistle carrying through Sulawesi forest at night
Geographic Range & Migration
Sulawesi Nightjar
Heinrich's Nightjar
Endemic to Sulawesi, Indonesia; resident of montane forest; extremely rare and poorly known, with very few records.
Erhaltungsstatus
Sulawesi Nightjar
Heinrich's Nightjar
How to Tell Them Apart
Sulawesi Nightjar
Richly marked rufous-brown and dark grey upperparts; pale buff spotting on wing coverts; white throat patch; underparts buff-white barred brown; Sulawesi endemic showing warmer tones than many regional congeners.
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
Sulawesi Nightjar
A medium-sized nightjar (24-26 cm) endemic to the island of Sulawesi, Indonesia. Inhabits lowland and montane forests. Dark brown plumage with cryptic patterning. Nocturnal insectivore. A sedentary species; limited ecological data available due to restricted range.
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.