Swamp Nightjar vs Heinrich's Nightjar
Caprimulgus natalensis 비교 대상 Eurostopodus diabolicus
Side-by-Side Comparison
| 속성 | Swamp Nightjar | Heinrich's Nightjar |
|---|---|---|
| 학명 | Caprimulgus natalensis | Eurostopodus diabolicus |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Caprimulgidae | Caprimulgidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 30.6 cm (12.0 in) | 39.9 cm (15.7 in) |
| 체중 | 76.3 g (2.69 oz) | 104.0 g (3.67 oz) |
| 식성 | Night-active aerial insectivore catching moths, beetles, and grasshoppers in sustained low-altitude hunting flights. | 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
Swamp Nightjar
Mellow churring trill; softer 'frog-like' chrrr from wetland margins; calls from papyrus and reed beds in Africa; lower and rounder than dryland 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
Swamp Nightjar
Known from a single wing found in Ethiopia's Nechisar National Park. Possibly extinct; range and taxonomy uncertain. Critically Endangered.
Heinrich's Nightjar
Endemic to Sulawesi, Indonesia; resident of montane forest; extremely rare and poorly known, with very few records.
보전 상태
Swamp Nightjar
Heinrich's Nightjar
How to Tell Them Apart
Swamp Nightjar
Relatively large; dark brown upperparts with heavy blackish streaking and pale buff spotting; broad white throat patch; underparts barred buff and dark brown; often shows paler underpart ground colour than …
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
Swamp Nightjar
사하라 이남 아프리카 습한 초지, 늪, 볼리스(vleis)에 사는 중형 쏙독새(23-24 cm). 따뜻한 갈색 몸통에 독특한 흰 목 반점이 있다. 야행성으로 키 큰 풀에서 쉬며 곤충을 먹는다. 거주성이며 건기에는 부분적으로 이동한다.
Heinrich's Nightjar
술라웨시 고유의 숲과 숲 가장자리에 서식하는 중형 쏙독새(~104g). 악마야행소쏙독새라고도 불린다. 관심필요종.