Prigogine's Nightjar vs Papuan Nightjar
Caprimulgus prigoginei 比較対象 Eurostopodus papuensis
Side-by-Side Comparison
| 属性 | Prigogine's Nightjar | Papuan Nightjar |
|---|---|---|
| 学名 | Caprimulgus prigoginei | Eurostopodus papuensis |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保全状況 | Data Deficient | Least Concern |
| 体長 | — | — |
| 翼開長 | 32.2 cm (12.7 in) | 37.9 cm (14.9 in) |
| 体重 | 57.5 g (2.03 oz) | 80.5 g (2.84 oz) |
| 食性 | Nocturnal insectivore feeding on moths, termites, and flying beetles caught in aerial sallies over savanna … | Hawks large flying insects, especially moths, at night over Papuan forest and savanna. |
| 一腹卵数 | -- | 1 |
| Population Trend | — | — |
Habitat Comparison
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
Papuan Nightjar
Churring, repetitive nocturnal call; soft bubbling trill; melodic series of hollow notes; calls from low perch or ground in New Guinea lowland forest
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.
Papuan Nightjar
Resident of savanna woodland, grass, and scrub in lowland New Guinea (Papua, Indonesia and Papua New Guinea).
保全状況
Prigogine's Nightjar
Papuan 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.
Papuan Nightjar
Dark grey-brown finely vermiculated with buff and black; pale buff and rufous throat patch; pale supercilium; no white wing patches; tail barred brown and buff; cryptically patterned bark-mimicking plumage.
About These Birds
Prigogine's Nightjar
1955年に東コンゴのイトンブウェ山地で採集された1標本のみ知られる絶滅危惧II類のヨタカ。生態は不明。
Papuan Nightjar
ニューギニア南部の低地に生息するヨタカで、体重81g。