Australian Owlet-nightjar vs Starry Owlet-nightjar
Aegotheles cristatus 对比 Aegotheles tatei
Side-by-Side Comparison
| 属性 | Australian Owlet-nightjar | Starry Owlet-nightjar |
|---|---|---|
| 学名 | Aegotheles cristatus | Aegotheles tatei |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Aegothelidae | Aegothelidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 27.2 cm (10.7 in) | 29.2 cm (11.5 in) |
| 体重 | 48.0 g (1.69 oz) | 52.0 g (1.83 oz) |
| 食性 | Crepuscular to nocturnal; feeds on large beetles, moths, and flying insects by aerial sallies and … | Night-active forager on large beetles, ants, and moths; combines short aerial pursuits with bark-gleaning. |
| 产卵数 | 2-5 | -- |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
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
Starry Owlet-nightjar
Churring trill with whistled elements; 'cherr-wick' phrases; calls from New Guinea montane forest; medium pitched; alarm a sharp 'chek'; calls at dusk from dense vegetation
Geographic Range & Migration
Australian Owlet-nightjar
Found throughout Australia including Tasmania. Resident in woodland, mallee scrub, and suburban areas. Australia's most widespread owlet-nightjar.
Starry Owlet-nightjar
Found in the highlands of New Guinea at 1,800–3,400 m. Resident in montane and subalpine forest. Poorly known and rarely recorded.
保护状况
Australian Owlet-nightjar
Starry Owlet-nightjar
How to Tell Them Apart
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 …
Starry Owlet-nightjar
Dark brown upperparts densely spotted with small white starlike spots on coverts; pale underparts barred brown; distinctively dotted wing coverts give a starry appearance; New Guinea montane endemic with bold …
About These Birds
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。
Starry Owlet-nightjar
一种中型裸鼻鸱（体长24-26厘米），分布于新几内亚山地森林。属裸鼻鸱科（Aegothelidae），体羽暖褐色，夜行性食虫鸟。分布较为局限。