Mountain Owlet-nightjar vs Barred Owlet-nightjar
Aegotheles albertisi 对比 Aegotheles bennettii
Side-by-Side Comparison
| 属性 | Mountain Owlet-nightjar | Barred Owlet-nightjar |
|---|---|---|
| 学名 | Aegotheles albertisi | Aegotheles bennettii |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Aegothelidae | Aegothelidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 22.8 cm (9.0 in) | 24.6 cm (9.7 in) |
| 体重 | 37.6 g (1.33 oz) | 52.416666666666664 g (1.85 oz) |
| 食性 | Nocturnal beetle and moth specialist; forages by short aerial pursuits and occasionally picks invertebrates from … | Crepuscular and nocturnal aerial insectivore; catches beetles, moths, and flying ants in short sallying flights … |
| 产卵数 | 1 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Mountain Owlet-nightjar
High-pitched churring trill; rapid 'cheerr-cheerr' from New Guinea mountains; calls at night from montane forest; alarm a sharp rapid chatter; higher than lowland species
Barred Owlet-nightjar
Churring 'churr-churr'; moderate-pitched trill from New Guinea lowland forest; calls at night from tree hollows; alarm a chattering series; repetitive territorial call
Geographic Range & Migration
Mountain Owlet-nightjar
Found in the mountains of New Guinea at 1,200–3,700 m. Resident in montane rainforest and moss forest. Widespread in New Guinea highlands.
Barred Owlet-nightjar
Found in New Guinea and adjacent islands in lowland and hill forest. Resident in diverse forest types from coast to 1,500 m elevation.
保护状况
Mountain Owlet-nightjar
Barred Owlet-nightjar
How to Tell Them Apart
Mountain Owlet-nightjar
Rufous-brown upperparts with dark blackish barring; underparts pale buff barred dark brown; facial disc with dark border lines; New Guinea montane species with warm rufous tones distinguishing it from lowland …
Barred Owlet-nightjar
Brown upperparts with distinct dark brown barring creating ladder-like pattern; underparts pale buff with extensive dark barring; bold facial disc markings; New Guinea species with the most conspicuously barred plumage …
About These Birds
Mountain Owlet-nightjar
一种中型裸鼻鸱（体长21-24厘米），分布于新几内亚山地森林，海拔1,200至3,700米。属裸鼻鸱科（Aegothelidae），夜行性食虫鸟。褐色体羽具隐蔽性斑纹。
Barred Owlet-nightjar
一种中型裸鼻鸱（体长23-26厘米），分布于新几内亚及澳大利亚北部的森林和稀树草原林地中。属裸鼻鸱科（Aegothelidae），夜行性，以昆虫为食。