Moluccan Owlet-nightjar vs Australian Owlet-nightjar
Aegotheles crinifrons 对比 Aegotheles cristatus
Side-by-Side Comparison
| 属性 | Moluccan Owlet-nightjar | Australian Owlet-nightjar |
|---|---|---|
| 学名 | Aegotheles crinifrons | Aegotheles cristatus |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Aegothelidae | Aegothelidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 32.9 cm (13.0 in) | 27.2 cm (10.7 in) |
| 体重 | 136.0 g (4.80 oz) | 48.0 g (1.69 oz) |
| 食性 | Strictly nocturnal; takes beetles, moths, and flying termites in sallying flight from a perch near … | Crepuscular to nocturnal; feeds on large beetles, moths, and flying insects by aerial sallies and … |
| 产卵数 | -- | 2-5 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Moluccan Owlet-nightjar
Loud, resonant churring; deep 'churr-churr' for an owlet-nightjar; calls from Halmahera forest at night; larger size reflected in lower pitch; alarm a harsh bark
Australian Owlet-nightjar
Loud, churring 'churr-churr' and yapping 'quee-quee'; distinctive churring trill; calls at night from tree hollows in Australian woodland; alarm a sharp yapping series
Geographic Range & Migration
Moluccan Owlet-nightjar
Endemic to the northern Moluccas of Indonesia. Resident in lowland and hill forest on Halmahera and adjacent islands.
Australian Owlet-nightjar
Found throughout Australia including Tasmania. Resident in woodland, mallee scrub, and suburban areas. Australia's most widespread owlet-nightjar.
保护状况
Moluccan Owlet-nightjar
Australian Owlet-nightjar
How to Tell Them Apart
Moluccan Owlet-nightjar
Large; dark sooty-brown upperparts with grey-buff barring; underparts pale buff heavily barred dark brown; very dark facial markings; North Moluccan endemic and one of the largest owlet-nightjars with uniformly dark …
Australian Owlet-nightjar
Grey-brown upperparts with dark brown barring; underparts pale buff finely barred dark; facial disc with bold dark bars; small crest feathers; two morphs—grey and rufous-brown; commonly seen perching upright in …
About These Birds
Moluccan Owlet-nightjar
一种中型裸鼻鸱（体长25-29厘米），特产于印度尼西亚摩鹿加群岛。深褐色体羽。属裸鼻鸱科（Aegothelidae），是该地区知之甚少的夜行性食虫鸟。
Australian Owlet-nightjar
一种小型裸鼻鸱（体长21-25厘米），是其科中分布最广、最常见的成员。分布于澳大利亚至新几内亚的多种栖息地。属裸鼻鸱科（Aegothelidae），夜行性，常栖于树洞中，以昆虫为食。