Jungle Nightjar vs Spotted Nightjar
Caprimulgus indicus в сравнении с Eurostopodus argus
Side-by-Side Comparison
| Характеристика | Jungle Nightjar | Spotted Nightjar |
|---|---|---|
| Научное название | Caprimulgus indicus | Eurostopodus argus |
| Отряд | Caprimulgiformes | Caprimulgiformes |
| Семейство | Caprimulgidae | Caprimulgidae |
| Охранный статус | Least Concern | Least Concern |
| Длина | — | — |
| Размах крыльев | 36,4 cm (14.3 in) | 42,7 cm (16.8 in) |
| Масса | 84,0 g (2.96 oz) | 102,5 g (3.62 oz) |
| Питание | Nocturnal aerial insectivore; catches moths, beetles, and flying insects over South and SE Asian forest. | Aerial insectivore; hawks large moths, beetles, and flying insects at dusk and dawn over Australian … |
| Размер кладки | 1-2 | 1 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Jungle Nightjar
Loud churring 'chuck-chuck-chuck-rrr'; repetitive with accelerating quality; calls from South Asian forest at dusk; hollow resonant tone; alarm a sharp '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
Jungle Nightjar
Breeds in eastern Asia (India, China, Korea, Japan) south to Southeast Asia; northern populations winter in tropical Southeast Asia.
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
Jungle Nightjar
Spotted Nightjar
How to Tell Them Apart
Jungle Nightjar
Brown and grey mottled with dark vermiculations; white throat patch; white wing spots across primaries; white outer tail spots in male; buff throat and tail spots in female; pale supercilium …
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
Jungle Nightjar
A medium Caprimulgidae nightjar (~84 g) of forest and forest edges from the Indian subcontinent through Southeast Asia to Japan. Cryptically patterned grey-brown and buff. Calls with a 'chuck' note at dusk. Partially migratory; northern populations move south in winter. Feeds on large moths and beetles. Least Concern.
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.