Ameline Swiftlet vs Great Dusky Swift
Aerodramus amelis so với Cypseloides senex
Side-by-Side Comparison
| Thuộc Tính | Ameline Swiftlet | Great Dusky Swift |
|---|---|---|
| Tên Khoa Học | Aerodramus amelis | Cypseloides senex |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Apodidae | Apodidae |
| Tình Trạng Bảo Tồn | Not Evaluated | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | — | 33,8 cm (13.3 in) |
| Khối Lượng | 17,9 g (0.63 oz) | 83,0 g (2.93 oz) |
| Chế Độ Ăn | 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 … |
| Số Trứng | 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.
Tình Trạng Bảo Tồn
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
A small swiftlet (11 cm) found in the Philippines and parts of Indonesia. Dark plumage. Aerial insectivore. Colonial cave nester. Recently split from Uniform Swiftlet. Taxonomy and distribution boundaries still being clarified by ornithologists.
Great Dusky Swift
A large swift (18-20 cm) of southeastern Brazil, eastern Paraguay, and northeastern Argentina. Dark sooty-brown plumage. Aerial insectivore, foraging over forested gorges and waterfalls. Nests in large colonies behind waterfalls. The largest member of the genus Cypseloides.