Horus Swift vs Great Dusky Swift
Apus horus 비교 대상 Cypseloides senex
Side-by-Side Comparison
| 속성 | Horus Swift | Great Dusky Swift |
|---|---|---|
| 학명 | Apus horus | Cypseloides senex |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Apodidae | Apodidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 30.0 cm (11.8 in) | 33.8 cm (13.3 in) |
| 체중 | 27.5 g (0.97 oz) | 83.0 g (2.93 oz) |
| 식성 | Feeds on aerial plankton of tiny insects and spiders; entire diet captured during non-stop aerial … | Feeds on aerial plankton of tiny insects and spiders; entire diet captured during non-stop aerial … |
| 산란 수 | 1-4 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Horus Swift
Sharp, buzzy chip followed by short descending whistle; compact two-part call repeated persistently from elevated perch.
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
Horus Swift
Found across sub-Saharan Africa from Senegal east to Ethiopia and south to South Africa. Resident in woodland and grassland near rivers.
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
Horus Swift
Great Dusky Swift
How to Tell Them Apart
Horus Swift
Dark sooty-brown; large white rump patch; white throat; pale flanks creating partial white underpart; square-ended tail; African species; compared to Little Swift, paler flanks give a more extensively white underpart …
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
Horus Swift
호루스 칼새는 사하라 이남 아프리카의 여러 지역에 서식합니다. 흰 가슴과 이마가 특징이며, 공중에서 비행하며 날아다니는 곤충을 잡아먹습니다.
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.