Mozambique Nightjar vs Papuan Nightjar
Caprimulgus fossii 比較対象 Eurostopodus papuensis
Side-by-Side Comparison
| 属性 | Mozambique Nightjar | Papuan Nightjar |
|---|---|---|
| 学名 | Caprimulgus fossii | Eurostopodus papuensis |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 31.0 cm (12.2 in) | 37.9 cm (14.9 in) |
| 体重 | 61.7 g (2.18 oz) | 80.5 g (2.84 oz) |
| 食性 | Feeds nocturnally on flying insects, chiefly moths and beetles, by hawking low over arid scrub … | 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
Mozambique Nightjar
Loud churring trill; resonant 'charrr' from miombo woodland; calls from sandy ground at night; alarm a sharp 'churk'; one of southern Africa's most familiar nightjar calls
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
Mozambique Nightjar
Breeds in West Africa from Senegal east to Ethiopia. Intra-African migrant; male has extraordinary elongated flag-like wing feathers.
Papuan Nightjar
Resident of savanna woodland, grass, and scrub in lowland New Guinea (Papua, Indonesia and Papua New Guinea).
保全状況
Mozambique Nightjar
Papuan Nightjar
How to Tell Them Apart
Mozambique Nightjar
Grey-brown upperparts with black streaks and pale buff freckling; white throat patch; underparts barred buff and dark brown; males show white outer tail corners; Southern African bird distinguished by greyer …
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
Mozambique Nightjar
体長22〜24cmの南・東アフリカに生息するヨタカ。灰褐色で白い翼斑と尾斑が目立ち、ゴロゴロ音を出す。
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。