Star-spotted Nightjar vs Papuan Nightjar
Caprimulgus stellatus 比較対象 Eurostopodus papuensis
Side-by-Side Comparison
| 属性 | Star-spotted Nightjar | Papuan Nightjar |
|---|---|---|
| 学名 | Caprimulgus stellatus | Eurostopodus papuensis |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 30.9 cm (12.2 in) | 37.9 cm (14.9 in) |
| 体重 | 59.25 g (2.09 oz) | 80.5 g (2.84 oz) |
| 食性 | Crepuscular insect hawker; primarily moths and beetles caught during aerial sallies over forest edges. | 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
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
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
Star-spotted Nightjar
Found from India and Sri Lanka east to southern China, Indochina, and the Philippines. Resident in open country, rice paddies, and light scrub.
Papuan Nightjar
Resident of savanna woodland, grass, and scrub in lowland New Guinea (Papua, Indonesia and Papua New Guinea).
保全状況
Star-spotted Nightjar
Papuan 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 …
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
Star-spotted Nightjar
体長21〜23cmのアフリカの角・アラビア半島南部の乾燥した岩場の半砂漠に生息するヨタカ。星状の白い斑点が特徴。
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。