Slender-tailed Nightjar vs Lesser Nighthawk
Caprimulgus clarus 비교 대상 Chordeiles acutipennis
Side-by-Side Comparison
| 속성 | Slender-tailed Nightjar | Lesser Nighthawk |
|---|---|---|
| 학명 | Caprimulgus clarus | Chordeiles acutipennis |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Caprimulgidae | Caprimulgidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 29.6 cm (11.7 in) | 33.0 cm (13.0 in) |
| 체중 | 43.0 g (1.52 oz) | 50.0 g (1.76 oz) |
| 식성 | Nocturnal aerial insectivore specialising in large moths and flying beetles, caught in slow erratic hunting … | Hawks small flying insects at dusk and dawn over North and South American arid scrub … |
| 산란 수 | 2 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Slender-tailed Nightjar
Rapid churring trill; 'trrr-trrr' at steady pace; calls from East African dry scrub at night; lighter than Long-tailed Nightjar; alarm a quiet 'chek'
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
Slender-tailed Nightjar
Found from Angola and the DRC south through Zambia and Zimbabwe to South Africa. Resident in woodland and savanna near rocky outcrops.
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
Slender-tailed Nightjar
Lesser Nighthawk
How to Tell Them Apart
Slender-tailed Nightjar
Pale brown upperparts with black streaks and buff-white spotting; whitish supercilium; white throat patch; underparts buff barred brown; males have elongated but narrower tail feathers than Long-tailed Nightjar.
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
Slender-tailed Nightjar
동아프리카와 남아프리카 개활 초지와 삼림 가장자리에 사는 날씬한 쏙독새(24-27 cm, 긴 꼬리 포함). 긴 꼬리를 가진 유사종에 비해 깃털이 밝고 더 섬세한 무늬를 가진다. 야행성 곤충 포식자이며, 거주성 또는 단거리 철새다.
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.