Common Nighthawk vs Spotted Nightjar
Chordeiles minor 비교 대상 Eurostopodus argus
Side-by-Side Comparison
| 속성 | Common Nighthawk | Spotted Nightjar |
|---|---|---|
| 학명 | Chordeiles minor | Eurostopodus argus |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Caprimulgidae | Caprimulgidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 38.6 cm (15.2 in) | 42.7 cm (16.8 in) |
| 체중 | 71.75 g (2.53 oz) | 102.5 g (3.62 oz) |
| 식성 | Aerial insectivore; catches flying beetles, ants, moths, and flies in fast aerial pursuit over open … | Aerial insectivore; hawks large moths, beetles, and flying insects at dusk and dawn over Australian … |
| 산란 수 | 1-2 | 1 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Common Nighthawk
Loud, nasal 'peent' call repeated in flight; display dive produces loud booming 'whomp' with wings; churring trill on breeding grounds; colonial roost cacophony
Spotted Nightjar
Loud churring 'good-lord-deliver-us' repeated at dusk; melodic bubbling quality; also emits hollow 'cow-cow-cow' series and soft frog-like croaking
Geographic Range & Migration
Common Nighthawk
Breeds across North America from Alaska to the Gulf Coast; long-distance migrant wintering in South America south to Argentina.
Spotted Nightjar
Resident and partial migrant of open woodland, grassland, and scrub across mainland Australia and migrating to New Guinea and Indonesia in winter.
보전 상태
Common Nighthawk
Spotted Nightjar
How to Tell Them Apart
Common Nighthawk
Brown and grey mottled above; white throat in male; white and dark barred underparts; distinctive white wing bar across primaries positioned more centrally than in Lesser Nighthawk; white tail band …
Spotted Nightjar
Cryptically mottled grey-brown, rufous, and black with intricate vermiculations; distinctive large white spots on wing coverts; white throat patch; no white in wings or tail. Sexes similar with slight pattern …
About These Birds
Common Nighthawk
일반나이트호크(Chordeiles minor)는 북아메리카에서 가장 흔한 나이트호크로, 도시와 농촌 환경 모두에서 번식합니다. 길고 좁은 날개와 흰 날개 무늬가 특징이며, 황혼과 새벽에 비행하며 곤충을 잡습니다.
Spotted Nightjar
호주 개방 삼림, 스피니펙스 초원, 반건조 덤불에 서식하는 중형 쏙독새(~103g). 눈점박이야행소쏙독새라고도 불린다. 관심필요종.