Jerdon's Nightjar vs Lesser Nighthawk
Caprimulgus atripennis dibandingkan dengan Chordeiles acutipennis
Side-by-Side Comparison
| Atribut | Jerdon's Nightjar | Lesser Nighthawk |
|---|---|---|
| Nama Ilmiah | Caprimulgus atripennis | Chordeiles acutipennis |
| Ordo | Caprimulgiformes | Caprimulgiformes |
| Famili | Caprimulgidae | Caprimulgidae |
| Status Konservasi | Least Concern | Least Concern |
| Panjang | — | — |
| Rentang Sayap | 36,8 cm (14.5 in) | 33,0 cm (13.0 in) |
| Berat | 58,0 g (2.05 oz) | 50,0 g (1.76 oz) |
| Diet | Nighttime insectivore catching large moths and beetles in sweeping aerial sallies over rocky hillsides and … | Hawks small flying insects at dusk and dawn over North and South American arid scrub … |
| Ukuran Sarang | 2 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Jerdon's Nightjar
Loud 'chuck-chuck-chuck-rrr'; hollow knocking 'chuck' notes preceding long trill; calls from South Indian scrub and forest edges; repeats phrase persistently at dusk
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
Jerdon's Nightjar
Found across peninsular India and Sri Lanka, north to Nepal. Resident in dry deciduous forest, scrub jungle, and rocky terrain below 1,500 m.
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.
Status Konservasi
Jerdon's Nightjar
Lesser Nighthawk
How to Tell Them Apart
Jerdon's Nightjar
Dark brownish-black upperparts with pale buff vermiculations; whitish supercilium and moustachial stripe; throat patch white; dark wings with buff-spotted coverts; lacks bold white wing patches of some relatives.
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
Jerdon's Nightjar
A medium-sized nightjar (24-26 cm) endemic to the Indian subcontinent, found in rocky hillsides and dry deciduous forests of southern India and Sri Lanka. Grey-brown plumage with intricate vermiculations. Nocturnal insectivore with a distinctive churring call at dusk.
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.