Bornean Swiftlet vs Alpine Swift
Collocalia dodgei 对比 Tachymarptis melba
Side-by-Side Comparison
| 属性 | Bornean Swiftlet | Alpine Swift |
|---|---|---|
| 学名 | Collocalia dodgei | 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 | 6.1 g (0.22 oz) | 97.5 g (3.44 oz) |
| 食性 | Small aerial insectivore feeding on minute flying insects and spiders; forages over forest canopy and … | Aerial insectivore taking small flying insects and spiders; may forage at great heights following thermal … |
| 产卵数 | -- | 1-4 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Bornean Swiftlet
High thin twittering; soft 'tsit' notes over Borneo mountains; echolocation in cave roosts; tiny highland swiftlet; call weakly audible; soft rapid chittering in flight
Alpine Swift
Rapid series of short, clipped whistles; bright, clean notes delivered in quick succession with occasional doubled phrase.
Geographic Range & Migration
Bornean Swiftlet
Endemic to Borneo in lowland dipterocarp forest and hill forest. Closely related to Glossy Swiftlet; range barely extends to Palawan.
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
Bornean Swiftlet
Alpine Swift
How to Tell Them Apart
Bornean Swiftlet
Tiny; dark glossy blue-green upperparts; pale whitish rump band; dark sooty-grey underparts; forked tail; Borneo endemic restricted to montane zones; similar to Glossy Swiftlet but less white below and confined …
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
Bornean Swiftlet
婆罗洲金丝燕(Collocalia dodgei)是一种体长9-10厘米的小型金丝燕，为海拔900-3400米的婆罗洲北部山地森林特有种。深色有光泽羽毛。空中捕食昆虫，在山地洞穴中筑巢。
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。