Large-tailed Nightjar vs Lesser Nighthawk
Caprimulgus macrurus so với Chordeiles acutipennis
Side-by-Side Comparison
| Thuộc Tính | Large-tailed Nightjar | Lesser Nighthawk |
|---|---|---|
| Tên Khoa Học | Caprimulgus macrurus | Chordeiles acutipennis |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Caprimulgidae | Caprimulgidae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 35,8 cm (14.1 in) | 33,0 cm (13.0 in) |
| Khối Lượng | 69,16666666666667 g (2.44 oz) | 50,0 g (1.76 oz) |
| Chế Độ Ăn | Nocturnal feeder on flying insects including moths, beetles, and larger dipterans; hunts in low coursing … | 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
Large-tailed Nightjar only
Lesser Nighthawk only
Song & Call Comparison
Large-tailed Nightjar
Loud, resonant 'chuck-chuck-churr'; hollow knocking notes with long trill; one of Asia's commonest nightjars; calls persistently from forest edges; carries great distance
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
Large-tailed Nightjar
Found from India and Sri Lanka east to the Philippines and northern Australia. Resident in forest edge, secondary growth, and plantations.
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
Large-tailed Nightjar
Lesser Nighthawk
How to Tell Them Apart
Large-tailed Nightjar
Intricately patterned brown, black, and buff upperparts; pale supercilium contrasts with dark crown; white throat patch; males show conspicuous white outer tail feathers and white primary spots; long tail distinctive.
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
Large-tailed Nightjar
A large nightjar (25-33 cm) widespread from South and Southeast Asia to Australasia. Brown plumage with bold rufous collar patches. Crepuscular and nocturnal, feeding on insects in forest clearings and edges. Recognizable by its persistent, rhythmic tok-tok-tok call.
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.