Jungle Nightjar vs Lesser Nighthawk
Caprimulgus indicus so với Chordeiles acutipennis
Side-by-Side Comparison
| Thuộc Tính | Jungle Nightjar | Lesser Nighthawk |
|---|---|---|
| Tên Khoa Học | Caprimulgus indicus | Chordeiles acutipennis |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Caprimulgidae | Caprimulgidae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 36,4 cm (14.3 in) | 33,0 cm (13.0 in) |
| Khối Lượng | 84,0 g (2.96 oz) | 50,0 g (1.76 oz) |
| Chế Độ Ăn | Nocturnal aerial insectivore; catches moths, beetles, and flying insects over South and SE Asian forest. | Hawks small flying insects at dusk and dawn over North and South American arid scrub … |
| Số Trứng | 1-2 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
Không
Jungle Nightjar only
Lesser Nighthawk only
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'
Lesser Nighthawk
Loud purring trill; buzzy 'brrrrr' given in flight; lower and softer than Common Nighthawk; males display with booming wingbeats; calls at dusk over deserts
Geographic Range & Migration
Jungle Nightjar
Breeds in eastern Asia (India, China, Korea, Japan) south to Southeast Asia; northern populations winter in tropical Southeast Asia.
Lesser Nighthawk
Breeds in open arid scrub from southwestern USA south through Central America to western South America; winters in Mexico and northern South America.
Tình Trạng Bảo Tồn
Jungle Nightjar
Lesser Nighthawk
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 …
Lesser Nighthawk
Brown and buff mottled above; buff-white below with brown barring; white throat in male; white wing bar closer to wingtip than in Common Nighthawk; buff tail band. Female with buff …
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.
Lesser Nighthawk
A small Caprimulgidae nighthawk (~50 g) of deserts, semi-arid scrub, and open woodland from the southwestern United States to Peru and Brazil. Brown-and-buff patterned; males have a white throat bar. Low, buoyant flight close to the ground at dusk. Hunts insects aerially. Migratory; Least Concern.