Lesser Nighthawk vs Ladder-tailed Nightjar
Chordeiles acutipennis 비교 대상 Hydropsalis climacocerca
Side-by-Side Comparison
| 속성 | Lesser Nighthawk | Ladder-tailed Nightjar |
|---|---|---|
| 학명 | Chordeiles acutipennis | Hydropsalis climacocerca |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Caprimulgidae | Caprimulgidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 33.0 cm (13.0 in) | 29.9 cm (11.8 in) |
| 체중 | 50.0 g (1.76 oz) | 48.0 g (1.69 oz) |
| 식성 | Hawks small flying insects at dusk and dawn over North and South American arid scrub … | Nocturnal aerial insectivore; hawks insects over Amazonian river margins and forest clearings. |
| 산란 수 | 1-2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
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
Ladder-tailed Nightjar
Resonant churring trill over Amazonian rivers; 'churr-churr' with hollow quality; calls from riverside sandbars and beaches at dusk; distinctive riverside habitat singer
Geographic Range & Migration
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.
Ladder-tailed Nightjar
Resident of sandy riverbanks, open woodland, and savanna in the Amazon basin from Colombia and Peru south to Bolivia and central Brazil.
보전 상태
Lesser Nighthawk
Ladder-tailed Nightjar
How to Tell Them Apart
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 …
Ladder-tailed Nightjar
Male brown and buff mottled above; white throat; graduated tail with white ladder pattern on inner webs of outer rectrices diagnostic; white wing patches. Female has buff throat; tail barred …
About These Birds
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.
Ladder-tailed Nightjar
사다리꼬리나이트자는 남아메리카 아마존 강 유역에 서식하는 쏙독새 종류이다. 수컷은 사다리 모양의 계단식 꼬리가 특징적이며 갈색과 황갈색 계열의 얼룩무늬 깃털을 가진다. 강가의 모래사장이나 자갈밭에서 번식한다.