Barred Owlet-nightjar vs Wallace's Owlet-nightjar
Aegotheles bennettii 비교 대상 Aegotheles wallacii
Side-by-Side Comparison
| 속성 | Barred Owlet-nightjar | Wallace's Owlet-nightjar |
|---|---|---|
| 학명 | Aegotheles bennettii | Aegotheles wallacii |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Aegothelidae | Aegothelidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 24.6 cm (9.7 in) | 23.8 cm (9.4 in) |
| 체중 | 52.416666666666664 g (1.85 oz) | 49.9 g (1.76 oz) |
| 식성 | 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 … |
| 산란 수 | 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.
보전 상태
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
뉴기니와 북부 오스트레일리아의 삼림 및 사바나 삼림지에 서식하는 중형 쏙독새류(23~26cm). 가는 가로줄 무늬의 갈색 깃털과 상대적으로 큰 눈이 특징이다. 야행성 곤충식성이다.
Wallace's Owlet-nightjar
뉴기니와 아루 제도의 저지대 삼림에 서식하는 중형 쏙독새류(23~25cm). 황갈색 아랫면과 가는 가로줄 무늬가 있다. 야행성 곤충식성이다.