Freckled Nightjar vs Spotted Nightjar
Caprimulgus tristigma 비교 대상 Eurostopodus argus
Side-by-Side Comparison
| 속성 | Freckled Nightjar | Spotted Nightjar |
|---|---|---|
| 학명 | Caprimulgus tristigma | Eurostopodus argus |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Caprimulgidae | Caprimulgidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 34.4 cm (13.5 in) | 42.7 cm (16.8 in) |
| 체중 | 79.88333333333334 g (2.82 oz) | 102.5 g (3.62 oz) |
| 식성 | Nocturnal aerial insectivore, hawking moths, beetles, and other flying insects in sustained sallying flight over … | Aerial insectivore; hawks large moths, beetles, and flying insects at dusk and dawn over Australian … |
| 산란 수 | 2 | 1 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Freckled Nightjar
Loud, dog-like 'bow-wow' or 'woof-woof'; unusual barking call for a nightjar; carries across rocky African outcrops; alarm a sharp 'chek'; distinctive among all nightjars
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
Freckled Nightjar
Found in Borneo and Sumatra in lowland rainforest and peat swamp forest. Rare and seldom recorded; possibly resident year-round.
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
Freckled Nightjar
Spotted Nightjar
How to Tell Them Apart
Freckled Nightjar
Heavily freckled dark grey and black upperparts resembling granite surfaces; whitish throat patch; underparts densely barred dark and pale; uniquely dark stone-coloured cryptic plumage adapted to rocky outcrops in Africa.
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
Freckled Nightjar
사하라 이남 아프리카 바위 노출부와 돌이 많은 언덕에 사는 중형 쏙독새(25-28 cm). 이끼 덮인 암석처럼 보이는 독특하게 점박이 회갈색 깃털을 가진다. 야행성 곤충 포식자다. 거주성이며, 쏙독새 중 가장 뛰어난 보호색을 가진 종 중 하나다.
Spotted Nightjar
호주 개방 삼림, 스피니펙스 초원, 반건조 덤불에 서식하는 중형 쏙독새(~103g). 눈점박이야행소쏙독새라고도 불린다. 관심필요종.