Jungle Nightjar vs Archbold's Nightjar
Caprimulgus indicus เปรียบเทียบกับ Eurostopodus archboldi
Side-by-Side Comparison
| คุณสมบัติ | Jungle Nightjar | Archbold's Nightjar |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Caprimulgus indicus | Eurostopodus archboldi |
| อันดับ | Caprimulgiformes | Caprimulgiformes |
| วงศ์ตระกูล | Caprimulgidae | Caprimulgidae |
| สถานะการอนุรักษ์ | Least Concern | Least Concern |
| ความยาว | — | — |
| กว้างปีก | 36.4 cm (14.3 in) | 41.0 cm (16.1 in) |
| น้ำหนัก | 84.0 g (2.96 oz) | 77.0 g (2.72 oz) |
| อาหาร | Nocturnal aerial insectivore; catches moths, beetles, and flying insects over South and SE Asian forest. | Aerial insectivore; catches moths and beetles in nocturnal flight over New Guinea montane forest. |
| จำนวนไข่ | 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'
Archbold's Nightjar
Rarely recorded; presumed churring nocturnal song; low, resonant trilling typical of genus; vocalizations scarcely documented from highland New Guinea
Geographic Range & Migration
Jungle Nightjar
Breeds in eastern Asia (India, China, Korea, Japan) south to Southeast Asia; northern populations winter in tropical Southeast Asia.
Archbold's Nightjar
Resident of montane forest in central New Guinea (Snow Mountains and Star Mountains) above 1,500 m; very poorly known.
สถานะการอนุรักษ์
Jungle Nightjar
Archbold's 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 …
Archbold's Nightjar
Brown and dark grey with rufous-buff vermiculations; whitish throat patch; pale buff supercilium contrasts with darker crown; no white wing or tail patches; tail barred; New Guinea highlands; few records.
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.
Archbold's Nightjar
A small Caprimulgidae nightjar (~77 g) known from subalpine grasslands and forest margins in the interior mountains of New Guinea. Named after naturalist Richard Archbold. Cryptic brown-patterned plumage. Nocturnal insectivore. Infrequently observed; biology largely undescribed. Least Concern in its montane range.