Mountain Owlet-nightjar vs Australian Owlet-nightjar
Aegotheles albertisi 비교 대상 Aegotheles cristatus
Side-by-Side Comparison
| 속성 | Mountain Owlet-nightjar | Australian Owlet-nightjar |
|---|---|---|
| 학명 | Aegotheles albertisi | Aegotheles cristatus |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Aegothelidae | Aegothelidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 22.8 cm (9.0 in) | 27.2 cm (10.7 in) |
| 체중 | 37.6 g (1.33 oz) | 48.0 g (1.69 oz) |
| 식성 | Nocturnal beetle and moth specialist; forages by short aerial pursuits and occasionally picks invertebrates from … | Crepuscular to nocturnal; feeds on large beetles, moths, and flying insects by aerial sallies and … |
| 산란 수 | 1 | 2-5 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Mountain Owlet-nightjar
High-pitched churring trill; rapid 'cheerr-cheerr' from New Guinea mountains; calls at night from montane forest; alarm a sharp rapid chatter; higher than lowland species
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
Mountain Owlet-nightjar
Found in the mountains of New Guinea at 1,200–3,700 m. Resident in montane rainforest and moss forest. Widespread in New Guinea highlands.
Australian Owlet-nightjar
Found throughout Australia including Tasmania. Resident in woodland, mallee scrub, and suburban areas. Australia's most widespread owlet-nightjar.
보전 상태
Mountain Owlet-nightjar
Australian Owlet-nightjar
How to Tell Them Apart
Mountain Owlet-nightjar
Rufous-brown upperparts with dark blackish barring; underparts pale buff barred dark brown; facial disc with dark border lines; New Guinea montane species with warm rufous tones distinguishing it from lowland …
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
Mountain Owlet-nightjar
해발 1,200~3,700m의 뉴기니 산악 삼림에 서식하는 중형 쏙독새류(21~24cm). 갈색 깃털에 가는 가로줄 무늬가 있다. 야행성 곤충식성이다.
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.