Sombre Nightjar vs Lesser Nighthawk
Caprimulgus fraenatus 비교 대상 Chordeiles acutipennis
Side-by-Side Comparison
| 속성 | Sombre Nightjar | Lesser Nighthawk |
|---|---|---|
| 학명 | Caprimulgus fraenatus | Chordeiles acutipennis |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Caprimulgidae | Caprimulgidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 32.4 cm (12.8 in) | 33.0 cm (13.0 in) |
| 체중 | 60.0 g (2.12 oz) | 50.0 g (1.76 oz) |
| 식성 | Feeds at night on flying insects including moths and beetles; hunts with buoyant erratic flight … | Hawks small flying insects at dusk and dawn over North and South American arid scrub … |
| 산란 수 | 1-2 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Sombre Nightjar
Monotonous churring trill; repetitive 'churr' at moderate tempo from East African scrub; lower-pitched and less musical than some relatives; calls persistently at night
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
Sombre Nightjar
Found across East Africa from Ethiopia and Somalia south to Tanzania. Resident in dry acacia scrub, thornbush, and arid savanna at low elevations.
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
Sombre Nightjar
Lesser Nighthawk
How to Tell Them Apart
Sombre Nightjar
Uniformly dark sooty-brown upperparts with dense blackish vermiculations; pale buff supercilium and narrow white submoustachial stripe; underparts barred buff and dark brown. Sexes similar.
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
Sombre Nightjar
에티오피아에서 남아프리카에 이르는 사하라 이남 아프리카 개활 삼림과 사바나에 사는 중형 쏙독새(23-25 cm). 암호화된 회갈색 깃털과 밝은 목 고리가 특징이다. 야행성으로 비행 중 나방과 딱정벌레를 먹는다. 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.