Dusky Nightjar vs Archbold's Nightjar
Antrostomus saturatus 비교 대상 Eurostopodus archboldi
Side-by-Side Comparison
| 속성 | Dusky Nightjar | Archbold's Nightjar |
|---|---|---|
| 학명 | Antrostomus saturatus | Eurostopodus archboldi |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Caprimulgidae | Caprimulgidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 28.9 cm (11.4 in) | 41.0 cm (16.1 in) |
| 체중 | 51.95 g (1.83 oz) | 77.0 g (2.72 oz) |
| 식성 | Nocturnal aerial insectivore; hawks moths and beetles over Costa Rican and Panamanian forest. | Aerial insectivore; catches moths and beetles in nocturnal flight over New Guinea montane forest. |
| 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
Archbold's Nightjar
Rarely recorded; presumed churring nocturnal song; low, resonant trilling typical of genus; vocalizations scarcely documented from highland New Guinea
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.
Archbold's Nightjar
Resident of montane forest in central New Guinea (Snow Mountains and Star Mountains) above 1,500 m; very poorly known.
보전 상태
Dusky Nightjar
Archbold'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 …
Archbold's Nightjar
Brown and dark grey with rufous-buff vermiculations; whitish throat patch; pale buff supercilium contrasts with darker crown; no white wing or tail patches; tail barred; New Guinea highlands; few records.
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.
Archbold's Nightjar
뉴기니아 아고산 초원과 숲에 서식하는 소형 쏙독새(~77g). 아치볼드야행소쏙독새라고도 불린다. 관심필요종.