Vogelkop Owlet-nightjar vs Starry Owlet-nightjar
Aegotheles affinis 对比 Aegotheles tatei
Side-by-Side Comparison
| 属性 | Vogelkop Owlet-nightjar | Starry Owlet-nightjar |
|---|---|---|
| 学名 | Aegotheles affinis | Aegotheles tatei |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Aegothelidae | Aegothelidae |
| 保护状况 | Near Threatened | Least Concern |
| 体长 | — | — |
| 翼展 | 26.7 cm (10.5 in) | 29.2 cm (11.5 in) |
| 体重 | 52.3 g (1.84 oz) | 52.0 g (1.83 oz) |
| 食性 | Nocturnal insectivore feeding on beetles, moths, and ants; hunts with short aerial sallies and ground-gleaning. | Night-active forager on large beetles, ants, and moths; combines short aerial pursuits with bark-gleaning. |
| 产卵数 | -- | -- |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Vogelkop Owlet-nightjar
Soft churring trill; quiet 'trrr' from Vogelkop Peninsula forest; calls at night; poorly documented; similar to Barred Owlet-nightjar but softer; alarm a chattered 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
Vogelkop Owlet-nightjar
Endemic to the Vogelkop Peninsula of western New Guinea. Found in lowland and hill forest. Range and habits poorly understood from few specimens.
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
Vogelkop Owlet-nightjar
Starry Owlet-nightjar
How to Tell Them Apart
Vogelkop Owlet-nightjar
Dark grey-brown upperparts with darker barring; underparts pale buff barred dark brown; facial disc with dark border; restricted to Vogelkop Peninsula, New Guinea; slightly darker and greyer than allied Mountain …
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
Vogelkop Owlet-nightjar
一种中型裸鼻鸱（体长22-24厘米），分布于新几内亚沃格尔科普半岛（鸟头半岛）的山地森林中。属裸鼻鸱科（Aegothelidae），夜行性，以昆虫为食。体羽褐色具细纹。
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。