Vogelkop Owlet-nightjar vs Wallace's Owlet-nightjar
Aegotheles affinis 비교 대상 Aegotheles wallacii
Side-by-Side Comparison
| 속성 | Vogelkop Owlet-nightjar | Wallace's Owlet-nightjar |
|---|---|---|
| 학명 | Aegotheles affinis | Aegotheles wallacii |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Aegothelidae | Aegothelidae |
| 보전 상태 | Near Threatened | Least Concern |
| 체장 | — | — |
| 날개 폭 | 26.7 cm (10.5 in) | 23.8 cm (9.4 in) |
| 체중 | 52.3 g (1.84 oz) | 49.9 g (1.76 oz) |
| 식성 | Nocturnal insectivore feeding on beetles, moths, and ants; hunts with short aerial sallies and ground-gleaning. | Crepuscular insectivore feeding on large beetles and moths; hunts with combined aerial sallies and surface … |
| 산란 수 | -- | -- |
| 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
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
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.
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.
보전 상태
Vogelkop Owlet-nightjar
Wallace's 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 …
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
Vogelkop Owlet-nightjar
뉴기니 보겔콥 반도(조류 머리 반도)의 산악 삼림에 서식하는 중형 쏙독새류(22~24cm). 갈색 깃털에 가는 가로줄 무늬가 있다. 야행성이며 날아다니는 곤충을 잡아먹는다.
Wallace's Owlet-nightjar
뉴기니와 아루 제도의 저지대 삼림에 서식하는 중형 쏙독새류(23~25cm). 황갈색 아랫면과 가는 가로줄 무늬가 있다. 야행성 곤충식성이다.