House Swift vs Great Dusky Swift
Apus nipalensis 비교 대상 Cypseloides senex
Side-by-Side Comparison
| 속성 | House Swift | Great Dusky Swift |
|---|---|---|
| 학명 | Apus nipalensis | Cypseloides senex |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Apodidae | Apodidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 26.0 cm (10.2 in) | 33.8 cm (13.3 in) |
| 체중 | 28.15 g (0.99 oz) | 83.0 g (2.93 oz) |
| 식성 | Obligate aerial forager catching small flies, aphids, winged termites, and airborne spiders on the wing. | Feeds on aerial plankton of tiny insects and spiders; entire diet captured during non-stop aerial … |
| 산란 수 | 1-5 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
House Swift
Soft, melodic warbling phrase with flowing quality; gentle notes weaving smoothly, typical of damp tropical forest mornings.
Great Dusky Swift
Loud, churring trill; harsher and louder than other Cypseloides; calls over Iguacu Falls and major Neotropical waterfalls; buzzy 'bzzzt-bzzzt' in aerial groups
Geographic Range & Migration
House Swift
Found from Afghanistan east through South and Southeast Asia to Japan and Indonesia. Common in urban areas and hill country up to 2,500 m.
Great Dusky Swift
Found in eastern South America from Venezuela and the Guianas south to Bolivia and Paraguay. Resident near rocky cliffs and waterfalls.
보전 상태
House Swift
Great Dusky Swift
How to Tell Them Apart
House Swift
Small; dark sooty-brown; white rump patch; white throat; underparts dark; square-ended tail; East and Southeast Asian colonial swift; closely resembles Little Swift but slightly larger and marginally different in rump …
Great Dusky Swift
Very large; entirely dark sooty-brown with pale grey forehead and chin scaling; slightly paler underparts; broad wings; largest Cypseloides swift; South American waterfall specialist with dusky uniform plumage and imposing …
About These Birds
House Swift
소형 집 칼새는 남아시아에서 동남아시아까지 넓게 분포합니다. 흰 허리 패치와 작은 체구가 특징이며, 인간 거주지 근처에서 집을 짓는 도시 적응력이 높습니다.
Great Dusky Swift
18–20 cm의 대형 칼새로 브라질 동남부·파라과이 동부·아르헨티나 북동부에 서식. 어두운 그을린 갈색 깃털. 삼림 협곡과 폭포 위를 날며 먹이를 구하는 공중 곤충식성. 폭포 뒤에 대규모 집단으로 둥지를 튼다. Cypseloides 속의 가장 큰 종.