Barred Owlet-nightjar vs Moluccan Owlet-nightjar
Aegotheles bennettii 对比 Aegotheles crinifrons
Side-by-Side Comparison
| 属性 | Barred Owlet-nightjar | Moluccan Owlet-nightjar |
|---|---|---|
| 学名 | Aegotheles bennettii | Aegotheles crinifrons |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Aegothelidae | Aegothelidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 24.6 cm (9.7 in) | 32.9 cm (13.0 in) |
| 体重 | 52.416666666666664 g (1.85 oz) | 136.0 g (4.80 oz) |
| 食性 | Crepuscular and nocturnal aerial insectivore; catches beetles, moths, and flying ants in short sallying flights … | Strictly nocturnal; takes beetles, moths, and flying termites in sallying flight from a perch near … |
| 产卵数 | 2 | -- |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
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
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
Geographic Range & Migration
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.
Moluccan Owlet-nightjar
Endemic to the northern Moluccas of Indonesia. Resident in lowland and hill forest on Halmahera and adjacent islands.
保护状况
Barred Owlet-nightjar
Moluccan Owlet-nightjar
How to Tell Them Apart
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 …
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 …
About These Birds
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。
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。