Tenggara Swiftlet vs Alpine Swift
Collocalia sumbawae 对比 Tachymarptis melba
Side-by-Side Comparison
| 属性 | Tenggara Swiftlet | Alpine Swift |
|---|---|---|
| 学名 | Collocalia sumbawae | Tachymarptis melba |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Apodidae | Apodidae |
| 保护状况 | Not Evaluated | Least Concern |
| 体长 | — | — |
| 翼展 | — | 43.9 cm (17.3 in) |
| 体重 | 5.9 g (0.21 oz) | 97.5 g (3.44 oz) |
| 食性 | Aerial plankton specialist catching tiny flies, gnats, and airborne spiders in tight acrobatic flight. | Aerial insectivore taking small flying insects and spiders; may forage at great heights following thermal … |
| 产卵数 | 1-2 | 1-4 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Tenggara Swiftlet
Very high thin twittering; rapid 'tsit' notes over Sumbawa; echolocation clicks used in limestone caves; call among the highest frequency of any swiftlet species
Alpine Swift
Rapid series of short, clipped whistles; bright, clean notes delivered in quick succession with occasional doubled phrase.
Geographic Range & Migration
Tenggara Swiftlet
Endemic to the Lesser Sundas of Indonesia including Sumbawa, Flores, and Timor. Resident in open forest and savanna at low elevations.
Alpine Swift
Breeds from southern Europe and North Africa east through Central Asia and the Himalayas to India. Migratory; winters in sub-Saharan Africa.
保护状况
Tenggara Swiftlet
Alpine Swift
How to Tell Them Apart
Tenggara Swiftlet
Tiny; dark blue-black upperparts with green gloss; pale whitish-buff rump band; dark sooty-grey underparts; Lesser Sunda Islands endemic; extremely similar to Glossy Swiftlet but restricted to eastern Indonesian islands.
Alpine Swift
Large; dark brown upperparts; white throat patch separated from white belly by dark brown breast band; brown flanks; bold tricoloured underpart pattern; one of Europe's largest swifts with distinctive white …
About These Birds
Tenggara Swiftlet
松巴哇金丝燕(Collocalia sumbawae)是一种体长9-10厘米的小型金丝燕,为印度尼西亚小巽他群岛(松巴哇岛、弗洛勒斯岛、松巴岛)特有种。深色有光泽羽毛。空中捕食昆虫,在洞穴和岩壁上筑巢。
Alpine Swift
高山雨燕在欧洲山地和岩壁上繁殖,以白色腹部和较大体型为特征的长距离迁徙鸟类。