Dusky Nightjar vs Heinrich's Nightjar
Antrostomus saturatus 비교 대상 Eurostopodus diabolicus
Side-by-Side Comparison
| 속성 | Dusky Nightjar | Heinrich's Nightjar |
|---|---|---|
| 학명 | Antrostomus saturatus | Eurostopodus diabolicus |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Caprimulgidae | Caprimulgidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 28.9 cm (11.4 in) | 39.9 cm (15.7 in) |
| 체중 | 51.95 g (1.83 oz) | 104.0 g (3.67 oz) |
| 식성 | Nocturnal aerial insectivore; hawks moths and beetles over Costa Rican and Panamanian forest. | Nocturnal aerial insectivore; catches moths and beetles in flight over Sulawesi forest; poorly known. |
| 산란 수 | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Dusky Nightjar
Soft, repeated 'wherrr-wherrr'; gentle churring whistle from Costa Rican highlands; calls from cloud forest at night; moderate pace with slight upward inflection
Heinrich's Nightjar
Haunting, hollow 'ku-WOO' repeated rhythmically; deep resonant quality; distinctive mournful whistle carrying through Sulawesi forest at night
Geographic Range & Migration
Dusky Nightjar
Resident of highland forest and forest edge in Costa Rica and western Panama, at 1,000–2,500 m; closely tied to Chirripó massif.
Heinrich's Nightjar
Endemic to Sulawesi, Indonesia; resident of montane forest; extremely rare and poorly known, with very few records.
보전 상태
Dusky Nightjar
Heinrich's Nightjar
How to Tell Them Apart
Dusky Nightjar
Darker and more saturated than related nightjars; dark brown-grey with buff mottling and dark vermiculations; white gorget in male; pale buff barred underparts; small white outer tail spots; Costa Rican …
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
Dusky Nightjar
두린 나이트자는 콜롬비아, 에콰도르, 페루의 안데스 동쪽 사면 숲에 서식합니다. 짙은 갈색 보호색 깃털을 가진 중간 크기의 나이트자로, 산악 지형의 밀림에 서식합니다.
Heinrich's Nightjar
술라웨시 고유의 숲과 숲 가장자리에 서식하는 중형 쏙독새(~104g). 악마야행소쏙독새라고도 불린다. 관심필요종.