Philippine Nightjar vs Heinrich's Nightjar
Caprimulgus manillensis verglichen mit Eurostopodus diabolicus
Side-by-Side Comparison
| Merkmal | Philippine Nightjar | Heinrich's Nightjar |
|---|---|---|
| Wissenschaftlicher Name | Caprimulgus manillensis | Eurostopodus diabolicus |
| Ordnung | Caprimulgiformes | Caprimulgiformes |
| Familie | Caprimulgidae | Caprimulgidae |
| Erhaltungsstatus | Least Concern | Least Concern |
| Länge | — | — |
| Flügelspannweite | 34,0 cm (13.4 in) | 39,9 cm (15.7 in) |
| Gewicht | 66,41666666666667 g (2.34 oz) | 104,0 g (3.67 oz) |
| Ernährung | Nocturnal aerial hunter; takes moths, large beetles, and flying termites during prolonged hunting flights at … | Nocturnal aerial insectivore; catches moths and beetles in flight over Sulawesi forest; poorly known. |
| Gelegegröße | 1-2 | 1 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Philippine Nightjar
Repeated 'chuck-chuck-churr'; hollow resonant trill; calls at night from Philippine lowland forest; persistent caller at dusk; alarm a rapid 'chuck-chuck'
Heinrich's Nightjar
Haunting, hollow 'ku-WOO' repeated rhythmically; deep resonant quality; distinctive mournful whistle carrying through Sulawesi forest at night
Geographic Range & Migration
Philippine Nightjar
Endemic to Sulawesi and adjacent Indonesian islands in Wallacea. Resident in lowland and hill forest and secondary scrub up to 1,000 m.
Heinrich's Nightjar
Endemic to Sulawesi, Indonesia; resident of montane forest; extremely rare and poorly known, with very few records.
Erhaltungsstatus
Philippine Nightjar
Heinrich's Nightjar
How to Tell Them Apart
Philippine Nightjar
Complex brown and black upperparts with buff-tawny edging; white throat patch and pale buff supercilium; males possess large white primary spots; underparts extensively barred; distinctly patterned among Philippine nightjars.
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
Philippine Nightjar
A medium-sized nightjar (24-26 cm) endemic to the Philippines. Found in lowland and montane forests, forest edges, and secondary growth. Cryptic grey-brown plumage with fine barring. Nocturnal insectivore feeding on moths and beetles at forest clearings.
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.