Spotted Nightjar vs Common Poorwill
Eurostopodus argus 비교 대상 Phalaenoptilus nuttallii
Side-by-Side Comparison
| 속성 | Spotted Nightjar | Common Poorwill |
|---|---|---|
| 학명 | Eurostopodus argus | Phalaenoptilus nuttallii |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Caprimulgidae | Caprimulgidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 42.7 cm (16.8 in) | 28.8 cm (11.3 in) |
| 체중 | 102.5 g (3.62 oz) | 46.45 g (1.64 oz) |
| 식성 | Aerial insectivore; hawks large moths, beetles, and flying insects at dusk and dawn over Australian … | Catches moths, beetles, and flying insects on short sallies near ground; only bird known to … |
| 산란 수 | 1 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
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
Common Poorwill
Clear, whistled 'poor-WILL' with burry quality; sometimes 'poor-will-ip'; carries well across desert scrub; may call thousands of times in a night; males very persistent
Geographic Range & Migration
Spotted Nightjar
Resident and partial migrant of open woodland, grassland, and scrub across mainland Australia and migrating to New Guinea and Indonesia in winter.
Common Poorwill
Resident of arid scrub, sagebrush, and chaparral in western North America from British Columbia south to central Mexico; only hibernating bird.
보전 상태
Spotted Nightjar
Common Poorwill
How to Tell Them Apart
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 …
Common Poorwill
Grey-brown and buff mottled with dark vermiculations; white throat patch bordered by dark collar; pale buff and dark barred underparts; white tips on outer tail feathers; no white wing patches; …
About These Birds
Spotted Nightjar
호주 개방 삼림, 스피니펙스 초원, 반건조 덤불에 서식하는 중형 쏙독새(~103g). 눈점박이야행소쏙독새라고도 불린다. 관심필요종.
Common Poorwill
쏙독새는 북아메리카 서부 건조한 관목지에 서식하는 소형 쏙독새과 새로, 장기간 진정 동면 상태에 들어가는 유일한 조류입니다. 은밀한 회갈색 깃털을 가지며 밤에 나방과 딱정벌레를 먹습니다.