Grey Nightjar vs Archbold's Nightjar
Caprimulgus jotaka 비교 대상 Eurostopodus archboldi
Side-by-Side Comparison
| 속성 | Grey Nightjar | Archbold's Nightjar |
|---|---|---|
| 학명 | Caprimulgus jotaka | Eurostopodus archboldi |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Caprimulgidae | Caprimulgidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 40.7 cm (16.0 in) | 41.0 cm (16.1 in) |
| 체중 | 84.4 g (2.98 oz) | 77.0 g (2.72 oz) |
| 식성 | Hawks moths and large insects at dusk and night over East and SE Asian forest … | Aerial insectivore; catches moths and beetles in nocturnal flight over New Guinea montane forest. |
| 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
Archbold's Nightjar
Rarely recorded; presumed churring nocturnal song; low, resonant trilling typical of genus; vocalizations scarcely documented from highland New Guinea
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.
Archbold's Nightjar
Resident of montane forest in central New Guinea (Snow Mountains and Star Mountains) above 1,500 m; very poorly known.
보전 상태
Grey Nightjar
Archbold's 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 …
Archbold's Nightjar
Brown and dark grey with rufous-buff vermiculations; whitish throat patch; pale buff supercilium contrasts with darker crown; no white wing or tail patches; tail barred; New Guinea highlands; few records.
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.
Archbold's Nightjar
뉴기니아 아고산 초원과 숲에 서식하는 소형 쏙독새(~77g). 아치볼드야행소쏙독새라고도 불린다. 관심필요종.