Madagascar Swift vs Great Dusky Swift
Apus balstoni 비교 대상 Cypseloides senex
Side-by-Side Comparison
| 속성 | Madagascar Swift | Great Dusky Swift |
|---|---|---|
| 학명 | Apus balstoni | Cypseloides senex |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Apodidae | Apodidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 32.2 cm (12.7 in) | 33.8 cm (13.3 in) |
| 체중 | 46.125 g (1.63 oz) | 83.0 g (2.93 oz) |
| 식성 | Feeds exclusively on aerial plankton — tiny flies, aphids, and spiders — captured in continuous … | Feeds on aerial plankton of tiny insects and spiders; entire diet captured during non-stop aerial … |
| 산란 수 | 1-2 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Madagascar Swift
Soft twittering with delicate clicking elements; light, airy notes tumbling quickly in loose sequence near water sources.
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
Madagascar Swift
Found in Madagascar and the Comoro Islands. Resident in open habitats including savanna, coastal areas, and highland grassland.
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
Madagascar Swift
Great Dusky Swift
How to Tell Them Apart
Madagascar Swift
Dark sooty-brown overall; pale whitish throat patch; underparts slightly paler brown; moderately forked tail; Malagasy endemic; one of the heavier island Apus swifts; closely resembles African Swift but restricted to …
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
Madagascar Swift
마다가스카르 칼새는 마다가스카르에 서식하는 칼새입니다. 아프리카 흑백 칼새와 유사하지만 마다가스카르 고유종으로, 마다가스카르의 절벽과 건물에서 번식합니다.
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.