Savanna Nightjar vs Lesser Nighthawk
Caprimulgus affinis so với Chordeiles acutipennis
Side-by-Side Comparison
| Thuộc Tính | Savanna Nightjar | Lesser Nighthawk |
|---|---|---|
| Tên Khoa Học | Caprimulgus affinis | Chordeiles acutipennis |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Caprimulgidae | Caprimulgidae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 31,9 cm (12.6 in) | 33,0 cm (13.0 in) |
| Khối Lượng | 74,16666666666667 g (2.62 oz) | 50,0 g (1.76 oz) |
| Chế Độ Ăn | Nocturnal aerial feeder on moths, beetles, and flying bugs; forages in open areas near woodland … | 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
Savanna Nightjar only
Lesser Nighthawk only
Song & Call Comparison
Savanna Nightjar
Loud, churring 'chwerrr'; resonant trill from South and Southeast Asian open habitats; calls from bare ground and burnt areas; very common nocturnal sound
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
Savanna Nightjar
Found in Indonesia and the Philippines on Sulawesi, Mindanao, and adjacent islands. Resident in lowland forest edge and scrub.
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
Savanna Nightjar
Lesser Nighthawk
How to Tell Them Apart
Savanna Nightjar
Pale greyish-brown upperparts with black shaft streaks and buff spotting; whitish supercilium and moustachial stripe; white throat patch; males show large white outer tail patches; widespread across South and Southeast …
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
Savanna Nightjar
A small nightjar (20-23 cm) widespread across South and Southeast Asia, from Pakistan to the Philippines. Pale grey-brown plumage with bold white wing patches visible in flight. Found in open habitats including fields, towns, and riverbanks. Crepuscular and nocturnal insectivore.
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.