Feline Owlet-nightjar vs Wallace's Owlet-nightjar
Aegotheles insignis 对比 Aegotheles wallacii
Side-by-Side Comparison
| 属性 | Feline Owlet-nightjar | Wallace's Owlet-nightjar |
|---|---|---|
| 学名 | Aegotheles insignis | Aegotheles wallacii |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Aegothelidae | Aegothelidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 33.0 cm (13.0 in) | 23.8 cm (9.4 in) |
| 体重 | 76.53333333333333 g (2.70 oz) | 49.9 g (1.76 oz) |
| 食性 | Nocturnal insectivore catching beetles and moths in short sallying flights; also gleans invertebrates from tree … | Crepuscular insectivore feeding on large beetles and moths; hunts with combined aerial sallies and surface … |
| 产卵数 | -- | -- |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Feline Owlet-nightjar
Cat-like mewing 'meeow' calls; high, eerie shrieks; cat-like quality unique among nightjars; calls from New Guinea highland forest at night; alarm a hissing screech
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
Feline Owlet-nightjar
Found in New Guinea from sea level to 2,400 m. Resident in lowland rainforest, hill forest, and lower montane moss forest.
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
Feline Owlet-nightjar
Wallace's Owlet-nightjar
How to Tell Them Apart
Feline Owlet-nightjar
Large; rufous-brown upperparts with dark brown barring; underparts pale buff with dark brown barring throughout; facial disc bordered dark; two colour morphs—rufous and grey-brown; largest owlet-nightjar with somewhat cat-like facial …
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
Feline Owlet-nightjar
一种大型裸鼻鸱(体长28-30厘米),是其科中体型最大者。分布于新几内亚山地森林。属裸鼻鸱科(Aegothelidae),夜行性,相较其他裸鼻鸱能捕食更大型的昆虫和节肢动物。
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。