Vogelkop Owlet-nightjar vs Karimui Owlet-nightjar
Aegotheles affinis 对比 Aegotheles terborghi
Side-by-Side Comparison
| 属性 | Vogelkop Owlet-nightjar | Karimui Owlet-nightjar |
|---|---|---|
| 学名 | Aegotheles affinis | Aegotheles terborghi |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Aegothelidae | Aegothelidae |
| 保护状况 | Near Threatened | Not Evaluated |
| 体长 | — | — |
| 翼展 | 26.7 cm (10.5 in) | — |
| 体重 | 52.3 g (1.84 oz) | 60.0 g (2.12 oz) |
| 食性 | Nocturnal insectivore feeding on beetles, moths, and ants; hunts with short aerial sallies and ground-gleaning. | Night-active insect hunter taking beetles, moths, and termites in brief aerial pursuits and occasional ground … |
| 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
Karimui Owlet-nightjar
Virtually undocumented vocalizations; known only from Papua New Guinea highlands; presumed churring call typical of genus; essentially no recordings exist
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.
Karimui Owlet-nightjar
Endemic to the Karimui Basin of Papua New Guinea at 1,000–2,000 m. One of the rarest birds in New Guinea; known from very few specimens.
保护状况
Vogelkop Owlet-nightjar
Karimui 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 …
Karimui Owlet-nightjar
Brown upperparts with dark barring and pale buff edging; underparts pale buff barred brown; facial disc marked with dark lines; recently described New Guinea species; plumage details incompletely documented from …
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。
Karimui Owlet-nightjar
一种中型裸鼻鸱,仅分布于巴布亚新几内亚卡里穆伊盆地地区。属裸鼻鸱科(Aegothelidae),从近期采集标本中描述,是科学上较新发现的物种,分布极为局限。