Philippine Nightjar vs Spotted Nightjar
Caprimulgus manillensis в сравнении с Eurostopodus argus
Side-by-Side Comparison
| Характеристика | Philippine Nightjar | Spotted Nightjar |
|---|---|---|
| Научное название | Caprimulgus manillensis | Eurostopodus argus |
| Отряд | Caprimulgiformes | Caprimulgiformes |
| Семейство | Caprimulgidae | Caprimulgidae |
| Охранный статус | Least Concern | Least Concern |
| Длина | — | — |
| Размах крыльев | 34,0 cm (13.4 in) | 42,7 cm (16.8 in) |
| Масса | 66,41666666666667 g (2.34 oz) | 102,5 g (3.62 oz) |
| Питание | Nocturnal aerial hunter; takes moths, large beetles, and flying termites during prolonged hunting flights at … | Aerial insectivore; hawks large moths, beetles, and flying insects at dusk and dawn over Australian … |
| Размер кладки | 1-2 | 1 |
| Population Trend | — | — |
Habitat Comparison
Общие среды обитания
Philippine Nightjar only
Нет
Spotted Nightjar only
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'
Spotted Nightjar
Loud churring 'good-lord-deliver-us' repeated at dusk; melodic bubbling quality; also emits hollow 'cow-cow-cow' series and soft frog-like croaking
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.
Spotted Nightjar
Resident and partial migrant of open woodland, grassland, and scrub across mainland Australia and migrating to New Guinea and Indonesia in winter.
Охранный статус
Philippine Nightjar
Spotted 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.
Spotted Nightjar
Cryptically mottled grey-brown, rufous, and black with intricate vermiculations; distinctive large white spots on wing coverts; white throat patch; no white in wings or tail. Sexes similar with slight pattern …
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.
Spotted Nightjar
A medium Caprimulgidae nightjar (~103 g) of open woodland, spinifex grassland, and rocky ridges across mainland Australia. Intricately spotted and barred brown, grey, and buff. Cryptic by day on the ground among leaf litter. Crepuscular and nocturnal; feeds on flying insects caught in aerial pursuit. Least Concern.