Grey Nightjar vs Papuan Nightjar
Caprimulgus jotaka 비교 대상 Eurostopodus papuensis
Side-by-Side Comparison
| 속성 | Grey Nightjar | Papuan Nightjar |
|---|---|---|
| 학명 | Caprimulgus jotaka | Eurostopodus papuensis |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Caprimulgidae | Caprimulgidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 40.7 cm (16.0 in) | 37.9 cm (14.9 in) |
| 체중 | 84.4 g (2.98 oz) | 80.5 g (2.84 oz) |
| 식성 | Hawks moths and large insects at dusk and night over East and SE Asian forest … | Hawks large flying insects, especially moths, at night over Papuan forest and savanna. |
| 산란 수 | 1-2 | 1 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Grey Nightjar
Persistent 'cawk-cawk-cawk'; hollow, frog-like notes repeated rapidly; calls from East Asian forests at night; higher-pitched variant churr also given; very persistent caller
Papuan Nightjar
Churring, repetitive nocturnal call; soft bubbling trill; melodic series of hollow notes; calls from low perch or ground in New Guinea lowland forest
Geographic Range & Migration
Grey Nightjar
Breeds in deciduous and mixed forest from far eastern Russia and northern China south to Korea and Japan; winters in southern and Southeast Asia.
Papuan Nightjar
Resident of savanna woodland, grass, and scrub in lowland New Guinea (Papua, Indonesia and Papua New Guinea).
보전 상태
Grey Nightjar
Papuan Nightjar
How to Tell Them Apart
Grey Nightjar
Grey-brown above with pale buff vermiculations; grey tones stronger than Jungle Nightjar; white throat patch; white outer wing spots; white outer tail in male; buff throat and tail spots in …
Papuan Nightjar
Dark grey-brown finely vermiculated with buff and black; pale buff and rufous throat patch; pale supercilium; no white wing patches; tail barred brown and buff; cryptically patterned bark-mimicking plumage.
About These Birds
Grey Nightjar
일본, 한국, 중국 동북부 산악 삼림과 삼림 가장자리에서 번식하고 동남아시아에서 월동하는 중형 쏙독새(약 84 g). 회갈색으로 섬세한 물결 무늬를 가진다. 최근에 밀림 쏙독새에서 분리된 종이다. 수컷은 황혼에 코맹맹이 소리로 운다. 최소관심종이다.
Papuan Nightjar
뉴기니아 저지 사바나, 초원, 숲 가장자리의 소형 쏙독새(~81g). 파푸아야행소쏙독새. 관심필요종.