Star-spotted Nightjar vs Spotted Nightjar
Caprimulgus stellatus مقارنةً بـ Eurostopodus argus
Side-by-Side Comparison
| السمة | Star-spotted Nightjar | Spotted Nightjar |
|---|---|---|
| الاسم العلمي | Caprimulgus stellatus | Eurostopodus argus |
| الرتبة | Caprimulgiformes | Caprimulgiformes |
| الفصيلة | Caprimulgidae | Caprimulgidae |
| حالة الحفاظ | Least Concern | Least Concern |
| الطول | — | — |
| طول الجناح | 30,9 cm (12.2 in) | 42,7 cm (16.8 in) |
| الوزن | 59,25 g (2.09 oz) | 102,5 g (3.62 oz) |
| النظام الغذائي | -- | Aerial insectivore; hawks large moths, beetles, and flying insects at dusk and dawn over Australian … |
| عدد البيض في الوضع | -- | 1 |
| Population Trend | — | — |
Habitat Comparison
الموائل المشتركة
Star-spotted Nightjar only
Spotted Nightjar only
Song & Call Comparison
Star-spotted Nightjar
Churring trill; hollow 'chuck' notes interspersed with churring; calls from dry East African bush at night; similar to Donaldson Smith's but larger and louder
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
Star-spotted Nightjar
Spotted Nightjar
Resident and partial migrant of open woodland, grassland, and scrub across mainland Australia and migrating to New Guinea and Indonesia in winter.
حالة الحفاظ
Star-spotted Nightjar
Spotted Nightjar
How to Tell Them Apart
Star-spotted Nightjar
Dark brown upperparts densely dotted with small buff-white stellate spots; white throat patch; underparts barred buff and dark brown; the star-like white spotting on wing coverts and back is the …
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
Star-spotted Nightjar
A small nightjar (21-23 cm) found in dry, rocky semi-desert and arid bushland of the Horn of Africa and southern Arabian Peninsula. Sandy-brown plumage with star-like white spots on wing coverts. Nocturnal insectivore. Poorly studied due to remote habitat.
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.