Sombre Nightjar vs Spotted Nightjar
Caprimulgus fraenatus 비교 대상 Eurostopodus argus
Side-by-Side Comparison
| 속성 | Sombre Nightjar | Spotted Nightjar |
|---|---|---|
| 학명 | Caprimulgus fraenatus | Eurostopodus argus |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Caprimulgidae | Caprimulgidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 32.4 cm (12.8 in) | 42.7 cm (16.8 in) |
| 체중 | 60.0 g (2.12 oz) | 102.5 g (3.62 oz) |
| 식성 | Feeds at night on flying insects including moths and beetles; hunts with buoyant erratic flight … | 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
Sombre Nightjar
Monotonous churring trill; repetitive 'churr' at moderate tempo from East African scrub; lower-pitched and less musical than some relatives; calls persistently at night
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
Sombre Nightjar
Found across East Africa from Ethiopia and Somalia south to Tanzania. Resident in dry acacia scrub, thornbush, and arid savanna at low elevations.
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
Sombre Nightjar
Spotted Nightjar
How to Tell Them Apart
Sombre Nightjar
Uniformly dark sooty-brown upperparts with dense blackish vermiculations; pale buff supercilium and narrow white submoustachial stripe; underparts barred buff and dark brown. Sexes similar.
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
Sombre Nightjar
에티오피아에서 남아프리카에 이르는 사하라 이남 아프리카 개활 삼림과 사바나에 사는 중형 쏙독새(23-25 cm). 암호화된 회갈색 깃털과 밝은 목 고리가 특징이다. 야행성으로 비행 중 나방과 딱정벌레를 먹는다. 거주성 또는 단거리 철새다.
Spotted Nightjar
호주 개방 삼림, 스피니펙스 초원, 반건조 덤불에 서식하는 중형 쏙독새(~103g). 눈점박이야행소쏙독새라고도 불린다. 관심필요종.