Bates's Nightjar vs Lesser Nighthawk
Caprimulgus batesi 비교 대상 Chordeiles acutipennis
Side-by-Side Comparison
| 속성 | Bates's Nightjar | Lesser Nighthawk |
|---|---|---|
| 학명 | Caprimulgus batesi | Chordeiles acutipennis |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Caprimulgidae | Caprimulgidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 37.1 cm (14.6 in) | 33.0 cm (13.0 in) |
| 체중 | 100.5 g (3.55 oz) | 50.0 g (1.76 oz) |
| 식성 | Nighttime aerial hunter of moths and large beetles; forages in low-level coursing flight above grassland … | 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
Bates's Nightjar
Deep, resonant churring trill; one of larger African Caprimulgus; low hollow 'churrrr' from Central African rainforest; calls at night from dense lowland forest
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
Bates's Nightjar
Found across West Africa from Gambia east to Sudan and south to the DRC. Resident in open savanna. Male has spectacular elongated tail feathers.
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
Bates's Nightjar
Lesser Nighthawk
How to Tell Them Apart
Bates's Nightjar
Large and very dark; blackish-brown upperparts with minimal pale patterning; small white throat spot; underparts dark brown with buff barring; one of the darkest nightjars, inhabiting dense Central African rainforests.
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
Bates's Nightjar
서아프리카와 중앙아프리카 기니 만 지역의 저지대 원시우림에 사는 중형 쏙독새(24-26 cm). 어두운 갈색 깃털을 가진다. 야행성으로 삼림 내부에서 곤충을 먹는다. 은밀한 습성과 울창한 삼림 서식지로 인해 연구가 미흡한 종이다.
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.