Fiery-necked Nightjar vs Papuan Nightjar
Caprimulgus pectoralis 比較対象 Eurostopodus papuensis
Side-by-Side Comparison
| 属性 | Fiery-necked Nightjar | Papuan Nightjar |
|---|---|---|
| 学名 | Caprimulgus pectoralis | Eurostopodus papuensis |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 31.9 cm (12.6 in) | 37.9 cm (14.9 in) |
| 体重 | 52.083333333333336 g (1.84 oz) | 80.5 g (2.84 oz) |
| 食性 | Feeds at dusk and night on moths and large flying beetles caught in aerial sallies … | Hawks large flying insects, especially moths, at night over Papuan forest and savanna. |
| 一腹卵数 | 1-2 | 1 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Fiery-necked Nightjar
Rich, melodic 'good-lord-deliver-us'; beautiful flute-like whistled phrase; most musical of African nightjars; calls from savanna woodland at dusk; unmistakable song
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
Fiery-necked Nightjar
Found in East Africa from Ethiopia south to Tanzania on mountain ranges. Resident in montane moorland and forest edge at 1,500–4,000 m.
Papuan Nightjar
Resident of savanna woodland, grass, and scrub in lowland New Guinea (Papua, Indonesia and Papua New Guinea).
保全状況
Fiery-necked Nightjar
Papuan Nightjar
How to Tell Them Apart
Fiery-necked Nightjar
Distinctive bold orange-rufous hindneck collar contrasting with dark brown crown; upperparts brown with black streaks and buff mottling; white throat patch; males show white outer tail spots; Africa's most recognisable …
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
Fiery-necked Nightjar
体長23〜25cmのサハラ以南アフリカに生息するヨタカ。赤褐色の首輪と「グッドロード・デリバー・アス」という鳴き声が特徴。
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。