Australian Owlet-nightjar vs New Caledonian Owlet-nightjar
Aegotheles cristatus 비교 대상 Aegotheles savesi
Side-by-Side Comparison
| 속성 | Australian Owlet-nightjar | New Caledonian Owlet-nightjar |
|---|---|---|
| 학명 | Aegotheles cristatus | Aegotheles savesi |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Aegothelidae | Aegothelidae |
| 보전 상태 | Least Concern | Critically Endangered |
| 체장 | — | — |
| 날개 폭 | 27.2 cm (10.7 in) | 32.6 cm (12.8 in) |
| 체중 | 48.0 g (1.69 oz) | 55.5 g (1.96 oz) |
| 식성 | Crepuscular to nocturnal; feeds on large beetles, moths, and flying insects by aerial sallies and … | Night hunter of beetles, large moths, and termites; combines aerial sallying with gleaning on tree … |
| 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
New Caledonian Owlet-nightjar
Extremely poorly known; presumed churring trill; critically endangered with fewer than 50 individuals; no confirmed recordings from New Caledonian forest
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.
New Caledonian Owlet-nightjar
Possibly extinct; known from one specimen from New Caledonia collected in 1880. Critically Endangered; may survive in dense humid forest.
보전 상태
Australian Owlet-nightjar
New Caledonian 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 …
New Caledonian Owlet-nightjar
Dark brown upperparts with buff barring; underparts pale buff barred dark brown; facial disc with dark surround; large for genus; critically endangered New Caledonian endemic known from very few records …
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.
New Caledonian Owlet-nightjar
뉴칼레도니아 고유의 극히 희귀하고 아마도 멸종된 쏙독새류(28cm). 19세기와 20세기 초에 수집된 두 표본으로만 알려져 있으며, 이후 신뢰할 만한 목격 기록이 없다.