Sulawesi Nightjar vs Papuan Nightjar
Caprimulgus celebensis 比較対象 Eurostopodus papuensis
Side-by-Side Comparison
| 属性 | Sulawesi Nightjar | Papuan Nightjar |
|---|---|---|
| 学名 | Caprimulgus celebensis | Eurostopodus papuensis |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Caprimulgidae | Caprimulgidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 37.4 cm (14.7 in) | 37.9 cm (14.9 in) |
| 体重 | 63.166666666666664 g (2.23 oz) | 80.5 g (2.84 oz) |
| 食性 | Crepuscular insectivore specialising in large moths; also takes beetles and flies in low-level aerial sallies. | 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
Sulawesi Nightjar
Loud churring call; hollow 'chuck' notes with extended trill; calls at night from Sulawesi forest and scrub; endemic; alarm a sharp bark note
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
Sulawesi Nightjar
Found in Somalia, Kenya, and southern Ethiopia. Resident in arid thorn scrub and open acacia woodland. Uncommon and poorly known.
Papuan Nightjar
Resident of savanna woodland, grass, and scrub in lowland New Guinea (Papua, Indonesia and Papua New Guinea).
保全状況
Sulawesi Nightjar
Papuan Nightjar
How to Tell Them Apart
Sulawesi Nightjar
Richly marked rufous-brown and dark grey upperparts; pale buff spotting on wing coverts; white throat patch; underparts buff-white barred brown; Sulawesi endemic showing warmer tones than many regional congeners.
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
Sulawesi Nightjar
体長24〜26cmのスラウェシ固有のヨタカ。低地・山地林に生息する暗褐色の鳥。
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。