Heinrich's Nightjar vs Ladder-tailed Nightjar
Eurostopodus diabolicus 비교 대상 Hydropsalis climacocerca
Side-by-Side Comparison
| 속성 | Heinrich's Nightjar | Ladder-tailed Nightjar |
|---|---|---|
| 학명 | Eurostopodus diabolicus | Hydropsalis climacocerca |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Caprimulgidae | Caprimulgidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 39.9 cm (15.7 in) | 29.9 cm (11.8 in) |
| 체중 | 104.0 g (3.67 oz) | 48.0 g (1.69 oz) |
| 식성 | Nocturnal aerial insectivore; catches moths and beetles in flight over Sulawesi forest; poorly known. | Nocturnal aerial insectivore; hawks insects over Amazonian river margins and forest clearings. |
| 산란 수 | 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
Ladder-tailed Nightjar
Resonant churring trill over Amazonian rivers; 'churr-churr' with hollow quality; calls from riverside sandbars and beaches at dusk; distinctive riverside habitat singer
Geographic Range & Migration
Heinrich's Nightjar
Endemic to Sulawesi, Indonesia; resident of montane forest; extremely rare and poorly known, with very few records.
Ladder-tailed Nightjar
Resident of sandy riverbanks, open woodland, and savanna in the Amazon basin from Colombia and Peru south to Bolivia and central Brazil.
보전 상태
Heinrich's Nightjar
Ladder-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.
Ladder-tailed Nightjar
Male brown and buff mottled above; white throat; graduated tail with white ladder pattern on inner webs of outer rectrices diagnostic; white wing patches. Female has buff throat; tail barred …
About These Birds
Heinrich's Nightjar
술라웨시 고유의 숲과 숲 가장자리에 서식하는 중형 쏙독새(~104g). 악마야행소쏙독새라고도 불린다. 관심필요종.
Ladder-tailed Nightjar
사다리꼬리나이트자는 남아메리카 아마존 강 유역에 서식하는 쏙독새 종류이다. 수컷은 사다리 모양의 계단식 꼬리가 특징적이며 갈색과 황갈색 계열의 얼룩무늬 깃털을 가진다. 강가의 모래사장이나 자갈밭에서 번식한다.