Moluccan Owlet-nightjar vs Australian Owlet-nightjar
Aegotheles crinifrons 비교 대상 Aegotheles cristatus
Side-by-Side Comparison
| 속성 | Moluccan Owlet-nightjar | Australian Owlet-nightjar |
|---|---|---|
| 학명 | Aegotheles crinifrons | Aegotheles cristatus |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Aegothelidae | Aegothelidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 32.9 cm (13.0 in) | 27.2 cm (10.7 in) |
| 체중 | 136.0 g (4.80 oz) | 48.0 g (1.69 oz) |
| 식성 | Strictly nocturnal; takes beetles, moths, and flying termites in sallying flight from a perch near … | Crepuscular to nocturnal; feeds on large beetles, moths, and flying insects by aerial sallies and … |
| 산란 수 | -- | 2-5 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Moluccan Owlet-nightjar
Loud, resonant churring; deep 'churr-churr' for an owlet-nightjar; calls from Halmahera forest at night; larger size reflected in lower pitch; alarm a harsh bark
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
Geographic Range & Migration
Moluccan Owlet-nightjar
Endemic to the northern Moluccas of Indonesia. Resident in lowland and hill forest on Halmahera and adjacent islands.
Australian Owlet-nightjar
Found throughout Australia including Tasmania. Resident in woodland, mallee scrub, and suburban areas. Australia's most widespread owlet-nightjar.
보전 상태
Moluccan Owlet-nightjar
Australian Owlet-nightjar
How to Tell Them Apart
Moluccan Owlet-nightjar
Large; dark sooty-brown upperparts with grey-buff barring; underparts pale buff heavily barred dark brown; very dark facial markings; North Moluccan endemic and one of the largest owlet-nightjars with uniformly dark …
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 …
About These Birds
Moluccan Owlet-nightjar
인도네시아 말루쿠 제도에 고유하게 서식하는 중형 쏙독새류(25~29cm). 짙은 갈색 깃털과 이마에 강모가 발달해 있다. 야행성이며 날아다니는 곤충을 잡아먹는다.
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.