Jerdon's Nightjar vs Spotted Nightjar
Caprimulgus atripennis comparado com Eurostopodus argus
Side-by-Side Comparison
| Atributo | Jerdon's Nightjar | Spotted Nightjar |
|---|---|---|
| Nome científico | Caprimulgus atripennis | Eurostopodus argus |
| Ordem | Caprimulgiformes | Caprimulgiformes |
| Família | Caprimulgidae | Caprimulgidae |
| Estado de conservação | Least Concern | Least Concern |
| Comprimento | — | — |
| Envergadura | 36,8 cm (14.5 in) | 42,7 cm (16.8 in) |
| Peso | 58,0 g (2.05 oz) | 102,5 g (3.62 oz) |
| Dieta | Nighttime insectivore catching large moths and beetles in sweeping aerial sallies over rocky hillsides and … | Aerial insectivore; hawks large moths, beetles, and flying insects at dusk and dawn over Australian … |
| Tamanho da postura | 2 | 1 |
| Population Trend | — | — |
Habitat Comparison
Habitats partilhados
Jerdon's Nightjar only
Nenhum
Spotted Nightjar only
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
Spotted Nightjar
Loud churring 'good-lord-deliver-us' repeated at dusk; melodic bubbling quality; also emits hollow 'cow-cow-cow' series and soft frog-like croaking
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.
Spotted Nightjar
Resident and partial migrant of open woodland, grassland, and scrub across mainland Australia and migrating to New Guinea and Indonesia in winter.
Estado de conservação
Jerdon's Nightjar
Spotted Nightjar
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.
Spotted Nightjar
Cryptically mottled grey-brown, rufous, and black with intricate vermiculations; distinctive large white spots on wing coverts; white throat patch; no white in wings or tail. Sexes similar with slight pattern …
About These Birds
Jerdon's Nightjar
Noitibó-de-asas-negras de 22–24 cm, habita florestas secas tropicais do sul da Índia e Sri Lanka.
Spotted Nightjar
A medium Caprimulgidae nightjar (~103 g) of open woodland, spinifex grassland, and rocky ridges across mainland Australia. Intricately spotted and barred brown, grey, and buff. Cryptic by day on the ground among leaf litter. Crepuscular and nocturnal; feeds on flying insects caught in aerial pursuit. Least Concern.