Ameline Swiftlet vs Great Dusky Swift
Aerodramus amelis 비교 대상 Cypseloides senex
Side-by-Side Comparison
| 속성 | Ameline Swiftlet | Great Dusky Swift |
|---|---|---|
| 학명 | Aerodramus amelis | Cypseloides senex |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Apodidae | Apodidae |
| 보전 상태 | Not Evaluated | Least Concern |
| 체장 | — | — |
| 날개 폭 | — | 33.8 cm (13.3 in) |
| 체중 | 17.9 g (0.63 oz) | 83.0 g (2.93 oz) |
| 식성 | Obligate aerial feeder on microscopic flying insects and spiders; highly social forager over tropical forest. | 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
Ameline Swiftlet
High twittering; thin 'tsit' calls; echolocation clicks in cave roosts; poorly documented species; slightly larger than most swiftlets; calls faintly over island habitats
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
Ameline Swiftlet
Found on Ambon and the southern Moluccas of Indonesia. Closely related to Uniform Swiftlet; restricted to Moluccan lowlands and hills.
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
Ameline Swiftlet
Great Dusky Swift
How to Tell Them Apart
Ameline Swiftlet
Small; dark brownish-grey upperparts; pale grey rump band; underparts pale whitish-grey; forked tail; recently described Wallacean swiftlet from the Sulawesi region; larger than most swiftlets in the area with well-defined …
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
Ameline Swiftlet
필리핀과 인도네시아 일부에 서식하는 작은 칼새류(11cm). 어두운 깃털. 공중에서 곤충을 잡아먹는 공중 식충성이다.
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.