Grey Nightjar vs Spotted Nightjar
Caprimulgus jotaka 비교 대상 Eurostopodus argus
Side-by-Side Comparison
| 속성 | Grey Nightjar | Spotted Nightjar |
|---|---|---|
| 학명 | Caprimulgus jotaka | Eurostopodus argus |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Caprimulgidae | Caprimulgidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 40.7 cm (16.0 in) | 42.7 cm (16.8 in) |
| 체중 | 84.4 g (2.98 oz) | 102.5 g (3.62 oz) |
| 식성 | Hawks moths and large insects at dusk and night over East and SE Asian forest … | Aerial insectivore; hawks large moths, beetles, and flying insects at dusk and dawn over Australian … |
| 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
Spotted Nightjar
Loud churring 'good-lord-deliver-us' repeated at dusk; melodic bubbling quality; also emits hollow 'cow-cow-cow' series and soft frog-like croaking
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.
Spotted Nightjar
Resident and partial migrant of open woodland, grassland, and scrub across mainland Australia and migrating to New Guinea and Indonesia in winter.
보전 상태
Grey Nightjar
Spotted 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 …
Spotted Nightjar
Cryptically mottled grey-brown, rufous, and black with intricate vermiculations; distinctive large white spots on wing coverts; white throat patch; no white in wings or tail. Sexes similar with slight pattern …
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.
Spotted Nightjar
호주 개방 삼림, 스피니펙스 초원, 반건조 덤불에 서식하는 중형 쏙독새(~103g). 눈점박이야행소쏙독새라고도 불린다. 관심필요종.