Prigogine's Nightjar vs Spotted Nightjar
Caprimulgus prigoginei เปรียบเทียบกับ Eurostopodus argus
Side-by-Side Comparison
| คุณสมบัติ | Prigogine's Nightjar | Spotted Nightjar |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Caprimulgus prigoginei | Eurostopodus argus |
| อันดับ | Caprimulgiformes | Caprimulgiformes |
| วงศ์ตระกูล | Caprimulgidae | Caprimulgidae |
| สถานะการอนุรักษ์ | Data Deficient | Least Concern |
| ความยาว | — | — |
| กว้างปีก | 32.2 cm (12.7 in) | 42.7 cm (16.8 in) |
| น้ำหนัก | 57.5 g (2.03 oz) | 102.5 g (3.62 oz) |
| อาหาร | Nocturnal insectivore feeding on moths, termites, and flying beetles caught in aerial sallies over savanna … | Aerial insectivore; hawks large moths, beetles, and flying insects at dusk and dawn over Australian … |
| จำนวนไข่ | -- | 1 |
| Population Trend | — | — |
Habitat Comparison
ถิ่นที่อยู่อาศัยร่วมกัน
Prigogine's Nightjar only
ไม่มี
Spotted Nightjar only
Song & Call Comparison
Prigogine's Nightjar
Essentially unknown vocalizations; extremely rare Central African species; presumed churring trill; known from only two specimens; calls at night from forest
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
Prigogine's Nightjar
Found in Cameroon, Gabon, Equatorial Guinea, and the Republic of Congo. Resident in lowland rainforest and forest edge. Rare.
Spotted Nightjar
Resident and partial migrant of open woodland, grassland, and scrub across mainland Australia and migrating to New Guinea and Indonesia in winter.
สถานะการอนุรักษ์
Prigogine's Nightjar
Spotted Nightjar
How to Tell Them Apart
Prigogine's Nightjar
Dark blackish-brown upperparts with pale buff mottling and streaking; whitish throat patch; buff and brown barred underparts; data-deficient Albertine Rift endemic known from limited specimens.
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
Prigogine's Nightjar
An extremely rare and poorly known nightjar described from a single specimen collected in the Itombwe Mountains of eastern Democratic Republic of Congo in 1955. No confirmed records since. Montane forest habitat. Classified as Endangered. Ecology virtually unknown.
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.