Dusky Nightjar vs Antillean Nighthawk
Antrostomus saturatus 비교 대상 Chordeiles gundlachii
Side-by-Side Comparison
| 속성 | Dusky Nightjar | Antillean Nighthawk |
|---|---|---|
| 학명 | Antrostomus saturatus | Chordeiles gundlachii |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Caprimulgidae | Caprimulgidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 28.9 cm (11.4 in) | 34.2 cm (13.5 in) |
| 체중 | 51.95 g (1.83 oz) | 56.05 g (1.98 oz) |
| 식성 | Nocturnal aerial insectivore; hawks moths and beetles over Costa Rican and Panamanian forest. | Catches flying insects in aerial sallies over Caribbean open country and coastal scrub at dusk. |
| 산란 수 | 1 | 1-2 |
| 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
Antillean Nighthawk
Distinctive 'kill-and-dee-dick' or 'killydee'; buzzy nasal call audible overhead; faster and shorter phrasing than Common Nighthawk; Caribbean accent clear
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.
Antillean Nighthawk
Breeds in the Caribbean (Bahamas, Cuba, Cayman Islands, Jamaica) and Florida Keys; partially migratory within the Caribbean region.
보전 상태
Dusky Nightjar
Antillean Nighthawk
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 …
Antillean Nighthawk
Brown and buff mottled above with dark brown streaking; white throat patch in male; barred buff-white underparts; white wing bar across primaries; white tail band in male; female has buff …
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.
Antillean Nighthawk
안틸리스나이트호크(Chordeiles gundlachii)는 카리브해 섬들에 서식하는 나이트호크입니다. 여름에는 카리브해에서 번식하고 겨울에는 남아메리카로 이동합니다. 날개의 흰 띠가 특징입니다.