Freckled Nightjar vs Heinrich's Nightjar
Caprimulgus tristigma 비교 대상 Eurostopodus diabolicus
Side-by-Side Comparison
| 속성 | Freckled Nightjar | Heinrich's Nightjar |
|---|---|---|
| 학명 | Caprimulgus tristigma | Eurostopodus diabolicus |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Caprimulgidae | Caprimulgidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 34.4 cm (13.5 in) | 39.9 cm (15.7 in) |
| 체중 | 79.88333333333334 g (2.82 oz) | 104.0 g (3.67 oz) |
| 식성 | Nocturnal aerial insectivore, hawking moths, beetles, and other flying insects in sustained sallying flight over … | Nocturnal aerial insectivore; catches moths and beetles in flight over Sulawesi forest; poorly known. |
| 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
Heinrich's Nightjar
Haunting, hollow 'ku-WOO' repeated rhythmically; deep resonant quality; distinctive mournful whistle carrying through Sulawesi forest at night
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.
Heinrich's Nightjar
Endemic to Sulawesi, Indonesia; resident of montane forest; extremely rare and poorly known, with very few records.
보전 상태
Freckled Nightjar
Heinrich's 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.
Heinrich's Nightjar
Rufous-brown and dark brown mottled with buff vermiculations; large pale buff throat patch; pale buff supercilium; no white wing markings; tail darkly barred brown and buff. Poorly known; Sulawesi endemic.
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.
Heinrich's Nightjar
술라웨시 고유의 숲과 숲 가장자리에 서식하는 중형 쏙독새(~104g). 악마야행소쏙독새라고도 불린다. 관심필요종.