Mees's Nightjar vs Papuan Nightjar
Caprimulgus meesi 比較対象 Eurostopodus papuensis
Side-by-Side Comparison
| 属性 | Mees's Nightjar | Papuan Nightjar |
|---|---|---|
| 学名 | Caprimulgus meesi | Eurostopodus papuensis |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 33.6 cm (13.2 in) | 37.9 cm (14.9 in) |
| 体重 | 66.2 g (2.34 oz) | 80.5 g (2.84 oz) |
| 食性 | Crepuscular and nocturnal aerial insectivore; pursues moths and flying beetles over grassland and woodland margins. | 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
Mees's Nightjar
Churring trill from Wallacean islands; repetitive hollow call; closely related to Large-tailed Nightjar; calls from coastal scrub and open woodland at dusk
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
Mees's Nightjar
Endemic to the Lesser Sunda Islands of Indonesia, primarily Timor. Resident in lowland forest, open woodland, and savanna.
Papuan Nightjar
Resident of savanna woodland, grass, and scrub in lowland New Guinea (Papua, Indonesia and Papua New Guinea).
保全状況
Mees's Nightjar
Papuan Nightjar
How to Tell Them Apart
Mees's Nightjar
Brown-grey upperparts with blackish crown streaks and pale buff mottling; buff-white supercilium; white chin patch; underparts barred pale buff and brown; closely resembles Large-tailed Nightjar but marginally paler.
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
Mees's Nightjar
体長24〜26cmのインドネシア・レッサーサンダ諸島に生息する近年分割されたヨタカ。鳴き声が異なる。
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。