Jerdon's Nightjar vs Lesser Nighthawk
Caprimulgus atripennis से तुलना Chordeiles acutipennis
Side-by-Side Comparison
| विशेषता | Jerdon's Nightjar | Lesser Nighthawk |
|---|---|---|
| वैज्ञानिक नाम | Caprimulgus atripennis | Chordeiles acutipennis |
| गण | Caprimulgiformes | Caprimulgiformes |
| कुल | Caprimulgidae | Caprimulgidae |
| संरक्षण स्थिति | Least Concern | Least Concern |
| लंबाई | — | — |
| पंखों का फैलाव | 36.8 cm (14.5 in) | 33.0 cm (13.0 in) |
| वजन | 58.0 g (2.05 oz) | 50.0 g (1.76 oz) |
| आहार | 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 … |
| अंडों की संख्या | 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.
संरक्षण स्थिति
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.