Australian Owlet-nightjar vs Wallace's Owlet-nightjar
Aegotheles cristatus 비교 대상 Aegotheles wallacii
Side-by-Side Comparison
| 속성 | Australian Owlet-nightjar | Wallace's Owlet-nightjar |
|---|---|---|
| 학명 | Aegotheles cristatus | Aegotheles wallacii |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Aegothelidae | Aegothelidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 27.2 cm (10.7 in) | 23.8 cm (9.4 in) |
| 체중 | 48.0 g (1.69 oz) | 49.9 g (1.76 oz) |
| 식성 | Crepuscular to nocturnal; feeds on large beetles, moths, and flying insects by aerial sallies and … | Crepuscular insectivore feeding on large beetles and moths; hunts with combined aerial sallies and surface … |
| 산란 수 | 2-5 | -- |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Australian Owlet-nightjar
Loud, churring 'churr-churr' and yapping 'quee-quee'; distinctive churring trill; calls at night from tree hollows in Australian woodland; alarm a sharp yapping 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
Australian Owlet-nightjar
Found throughout Australia including Tasmania. Resident in woodland, mallee scrub, and suburban areas. Australia's most widespread owlet-nightjar.
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
Australian Owlet-nightjar
Wallace's Owlet-nightjar
How to Tell Them Apart
Australian Owlet-nightjar
Grey-brown upperparts with dark brown barring; underparts pale buff finely barred dark; facial disc with bold dark bars; small crest feathers; two morphs—grey and rufous-brown; commonly seen perching upright in …
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
Australian Owlet-nightjar
작은 쏙독새류(21~25cm)로, 가장 널리 분포하고 친숙한 과의 구성원이다. 호주 전역과 뉴기니 남부 저지대에 걸쳐 다양한 삼림 서식지에서 발견된다. 흔하고 은밀한 야행성 곤충식성이다.
Wallace's Owlet-nightjar
뉴기니와 아루 제도의 저지대 삼림에 서식하는 중형 쏙독새류(23~25cm). 황갈색 아랫면과 가는 가로줄 무늬가 있다. 야행성 곤충식성이다.