Barred Owlet-nightjar vs Wallace's Owlet-nightjar
Aegotheles bennettii 对比 Aegotheles wallacii
Side-by-Side Comparison
| 属性 | Barred Owlet-nightjar | Wallace's Owlet-nightjar |
|---|---|---|
| 学名 | Aegotheles bennettii | Aegotheles wallacii |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Aegothelidae | Aegothelidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 24.6 cm (9.7 in) | 23.8 cm (9.4 in) |
| 体重 | 52.416666666666664 g (1.85 oz) | 49.9 g (1.76 oz) |
| 食性 | Crepuscular and nocturnal aerial insectivore; catches beetles, moths, and flying ants in short sallying flights … | Crepuscular insectivore feeding on large beetles and moths; hunts with combined aerial sallies and surface … |
| 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
Wallace's Owlet-nightjar
Soft churring trill; 'churr' from New Guinea lowland forest; moderate pitch; calls at night from hollow tree roost sites; alarm a rapid staccato chatter
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.
Wallace's Owlet-nightjar
Found in New Guinea and the Aru Islands in lowland and hill forest up to 1,200 m. Resident in primary and secondary tropical forest.
保护状况
Barred Owlet-nightjar
Wallace's 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 …
Wallace's Owlet-nightjar
Grey-brown upperparts with dark brown barring and pale buff freckling; underparts pale buff barred brown; facial disc with dark border; Papuan species showing typical owlet-nightjar coloration with moderately contrasting barring.
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。
Wallace's Owlet-nightjar
一种中型裸鼻鸱（体长23-25厘米），分布于新几内亚及阿鲁群岛的低地森林中。属裸鼻鸱科（Aegothelidae），夜行性食虫鸟，体羽褐色，以发现者华莱士命名。