Heinrich's Nightjar vs Spot-tailed Nightjar
Eurostopodus diabolicus 비교 대상 Hydropsalis maculicaudus
Side-by-Side Comparison
| 속성 | Heinrich's Nightjar | Spot-tailed Nightjar |
|---|---|---|
| 학명 | Eurostopodus diabolicus | Hydropsalis maculicaudus |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Caprimulgidae | Caprimulgidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 39.9 cm (15.7 in) | 25.8 cm (10.2 in) |
| 체중 | 104.0 g (3.67 oz) | 32.125 g (1.13 oz) |
| 식성 | Nocturnal aerial insectivore; catches moths and beetles in flight over Sulawesi forest; poorly known. | Catches flying insects in nocturnal aerial pursuit over Central and South American grassland. |
| 산란 수 | 1 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Heinrich's Nightjar
Haunting, hollow 'ku-WOO' repeated rhythmically; deep resonant quality; distinctive mournful whistle carrying through Sulawesi forest at night
Spot-tailed Nightjar
Soft, rhythmic churring; gentle 'trrr-trrr' from humid grassland; calls low from ground; quieter than most nightjars; alarm a subtle 'chek'; small and inconspicuous
Geographic Range & Migration
Heinrich's Nightjar
Endemic to Sulawesi, Indonesia; resident of montane forest; extremely rare and poorly known, with very few records.
Spot-tailed Nightjar
Resident of open cerrado, scrub, and forest edge in interior South America from Venezuela and the Guianas south to Bolivia, Brazil, and Paraguay.
보전 상태
Heinrich's Nightjar
Spot-tailed Nightjar
How to Tell Them Apart
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.
Spot-tailed Nightjar
Small; brown and buff mottled above; pale buff below with dark barring; white throat in male; distinctive white spots on rounded tail distinguishing it from similar Hydropsalis; buff throat in …
About These Birds
Heinrich's Nightjar
술라웨시 고유의 숲과 숲 가장자리에 서식하는 중형 쏙독새(~104g). 악마야행소쏙독새라고도 불린다. 관심필요종.
Spot-tailed Nightjar
점박이꼬리나이트자는 남아메리카 중부 지역에 서식하는 쏙독새 종류이다. 꼬리에 독특한 점박이 무늬가 있으며 전반적으로 갈색과 황갈색의 얼룩 패턴을 가진다. 건조한 초원과 숲 가장자리에 서식하며 야행성 생활을 한다.