Chuck-will's-widow vs Spotted Nightjar
Antrostomus carolinensis 비교 대상 Eurostopodus argus
Side-by-Side Comparison
| 속성 | Chuck-will's-widow | Spotted Nightjar |
|---|---|---|
| 학명 | Antrostomus carolinensis | Eurostopodus argus |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Caprimulgidae | Caprimulgidae |
| 보전 상태 | Near Threatened | Least Concern |
| 체장 | — | — |
| 날개 폭 | 41.5 cm (16.3 in) | 42.7 cm (16.8 in) |
| 체중 | 112.94000000000001 g (3.98 oz) | 102.5 g (3.62 oz) |
| 식성 | Hawks large moths, beetles, and flying insects at night; large gape allows capture of small … | Aerial insectivore; hawks large moths, beetles, and flying insects at dusk and dawn over Australian … |
| 산란 수 | 2 | 1 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Chuck-will's-widow
Loud, whistled 'chuck-WILL's-WI-dow'; rich and rolling; lower and fuller than Whip-poor-will; carries far through southeastern US forest; calls persistently all night
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
Chuck-will's-widow
Breeds in dense woodland and forest edge in eastern North America from the Gulf states north to southern Ontario; winters in Cuba and Central America.
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
Chuck-will's-widow
Spotted Nightjar
How to Tell Them Apart
Chuck-will's-widow
Large; warm brown and buff mottled above with rufous tones; buff-brown throat collar; white inner webs of outer tail feathers in male; male with white gorget; female has buff throat …
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
Chuck-will's-widow
척-윌스-위도우는 북아메리카 동부의 숲에서 번식하고 남부 플로리다와 카리브해에서 월동합니다. 큰 입과 보호색 깃털이 특징이며, 밤에 반복적인 울음소리를 냅니다.
Spotted Nightjar
호주 개방 삼림, 스피니펙스 초원, 반건조 덤불에 서식하는 중형 쏙독새(~103g). 눈점박이야행소쏙독새라고도 불린다. 관심필요종.