Dusky Nightjar vs Lesser Nighthawk
Antrostomus saturatus 비교 대상 Chordeiles acutipennis
Side-by-Side Comparison
| 속성 | Dusky Nightjar | Lesser Nighthawk |
|---|---|---|
| 학명 | Antrostomus saturatus | Chordeiles acutipennis |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Caprimulgidae | Caprimulgidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 28.9 cm (11.4 in) | 33.0 cm (13.0 in) |
| 체중 | 51.95 g (1.83 oz) | 50.0 g (1.76 oz) |
| 식성 | Nocturnal aerial insectivore; hawks moths and beetles over Costa Rican and Panamanian forest. | Hawks small flying insects at dusk and dawn over North and South American arid scrub … |
| 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
Lesser Nighthawk
Loud purring trill; buzzy 'brrrrr' given in flight; lower and softer than Common Nighthawk; males display with booming wingbeats; calls at dusk over deserts
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.
Lesser Nighthawk
Breeds in open arid scrub from southwestern USA south through Central America to western South America; winters in Mexico and northern South America.
보전 상태
Dusky Nightjar
Lesser 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 …
Lesser Nighthawk
Brown and buff mottled above; buff-white below with brown barring; white throat in male; white wing bar closer to wingtip than in Common Nighthawk; buff tail band. Female with 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.
Lesser Nighthawk
소쏙독새(Chordeiles acutipennis)는 북아메리카 남부부터 남아메리카 북부까지 분포하는 야행성 새입니다. 날개에 흰 무늬가 있으며, 열린 서식지와 건조 지역을 선호합니다. 비행 중에 곤충을 포획합니다.