Slender-tailed Nightjar vs Heinrich's Nightjar
Caprimulgus clarus 비교 대상 Eurostopodus diabolicus
Side-by-Side Comparison
| 속성 | Slender-tailed Nightjar | Heinrich's Nightjar |
|---|---|---|
| 학명 | Caprimulgus clarus | Eurostopodus diabolicus |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Caprimulgidae | Caprimulgidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 29.6 cm (11.7 in) | 39.9 cm (15.7 in) |
| 체중 | 43.0 g (1.52 oz) | 104.0 g (3.67 oz) |
| 식성 | Nocturnal aerial insectivore specialising in large moths and flying beetles, caught in slow erratic hunting … | 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
Slender-tailed Nightjar
Rapid churring trill; 'trrr-trrr' at steady pace; calls from East African dry scrub at night; lighter than Long-tailed Nightjar; alarm a quiet 'chek'
Heinrich's Nightjar
Haunting, hollow 'ku-WOO' repeated rhythmically; deep resonant quality; distinctive mournful whistle carrying through Sulawesi forest at night
Geographic Range & Migration
Slender-tailed Nightjar
Found from Angola and the DRC south through Zambia and Zimbabwe to South Africa. Resident in woodland and savanna near rocky outcrops.
Heinrich's Nightjar
Endemic to Sulawesi, Indonesia; resident of montane forest; extremely rare and poorly known, with very few records.
보전 상태
Slender-tailed Nightjar
Heinrich's Nightjar
How to Tell Them Apart
Slender-tailed Nightjar
Pale brown upperparts with black streaks and buff-white spotting; whitish supercilium; white throat patch; underparts buff barred brown; males have elongated but narrower tail feathers than Long-tailed Nightjar.
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
Slender-tailed Nightjar
동아프리카와 남아프리카 개활 초지와 삼림 가장자리에 사는 날씬한 쏙독새(24-27 cm, 긴 꼬리 포함). 긴 꼬리를 가진 유사종에 비해 깃털이 밝고 더 섬세한 무늬를 가진다. 야행성 곤충 포식자이며, 거주성 또는 단거리 철새다.
Heinrich's Nightjar
술라웨시 고유의 숲과 숲 가장자리에 서식하는 중형 쏙독새(~104g). 악마야행소쏙독새라고도 불린다. 관심필요종.