Ameline Swiftlet vs Great Dusky Swift
Aerodramus amelis 对比 Cypseloides senex
Side-by-Side Comparison
| 属性 | Ameline Swiftlet | Great Dusky Swift |
|---|---|---|
| 学名 | Aerodramus amelis | Cypseloides senex |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Apodidae | Apodidae |
| 保护状况 | Not Evaluated | Least Concern |
| 体长 | — | — |
| 翼展 | — | 33.8 cm (13.3 in) |
| 体重 | 17.9 g (0.63 oz) | 83.0 g (2.93 oz) |
| 食性 | 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 … |
| 产卵数 | 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.
保护状况
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
一种小型金丝燕（体长11厘米），分布于菲律宾及印度尼西亚部分地区。体羽深色。属雨燕科（Apodidae），空中食虫，利用回声定位在洞穴中筑巢。
Great Dusky Swift
大暗色雨燕分布于巴西和阿根廷，在大型瀑布附近繁殖的雨燕。