Swamp Nightjar vs Lesser Nighthawk
Caprimulgus natalensis 비교 대상 Chordeiles acutipennis
Side-by-Side Comparison
| 속성 | Swamp Nightjar | Lesser Nighthawk |
|---|---|---|
| 학명 | Caprimulgus natalensis | Chordeiles acutipennis |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Caprimulgidae | Caprimulgidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 30.6 cm (12.0 in) | 33.0 cm (13.0 in) |
| 체중 | 76.3 g (2.69 oz) | 50.0 g (1.76 oz) |
| 식성 | Night-active aerial insectivore catching moths, beetles, and grasshoppers in sustained low-altitude hunting flights. | 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
Swamp Nightjar
Mellow churring trill; softer 'frog-like' chrrr from wetland margins; calls from papyrus and reed beds in Africa; lower and rounder than dryland nightjars
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
Swamp Nightjar
Known from a single wing found in Ethiopia's Nechisar National Park. Possibly extinct; range and taxonomy uncertain. Critically Endangered.
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
Swamp Nightjar
Lesser Nighthawk
How to Tell Them Apart
Swamp Nightjar
Relatively large; dark brown upperparts with heavy blackish streaking and pale buff spotting; broad white throat patch; underparts barred buff and dark brown; often shows paler underpart ground colour than …
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
Swamp Nightjar
사하라 이남 아프리카 습한 초지, 늪, 볼리스(vleis)에 사는 중형 쏙독새(23-24 cm). 따뜻한 갈색 몸통에 독특한 흰 목 반점이 있다. 야행성으로 키 큰 풀에서 쉬며 곤충을 먹는다. 거주성이며 건기에는 부분적으로 이동한다.
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.