Western Glossy Swiftlet vs Alpine Swift
Collocalia affinis 对比 Tachymarptis melba
Side-by-Side Comparison
| 属性 | Western Glossy Swiftlet | Alpine Swift |
|---|---|---|
| 学名 | Collocalia affinis | 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 | 8.65 g (0.31 oz) | 97.5 g (3.44 oz) |
| 食性 | Aerial insectivore consuming minute dipterans, midges, and ballooning spiders caught in continuous fast flight. | Aerial insectivore taking small flying insects and spiders; may forage at great heights following thermal … |
| 产卵数 | 1-3 | 1-4 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Western Glossy Swiftlet
High, thin 'tsit-tsit'; rapid chittering in flight; echolocation clicks used inside caves; tiny size produces very high-pitched thin calls; soft twittering over forest
Alpine Swift
Rapid series of short, clipped whistles; bright, clean notes delivered in quick succession with occasional doubled phrase.
Geographic Range & Migration
Western Glossy Swiftlet
Found from the Andaman Islands and northeastern India through Southeast Asia to Borneo and the Philippines. Resident in diverse forest habitats.
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
Western Glossy Swiftlet
Alpine Swift
How to Tell Them Apart
Western Glossy Swiftlet
Tiny; glossy blue-black upperparts with green iridescence; underparts dark sooty-grey; white-buff rump band; deeply forked tail; recently split taxon similar to Philippine Glossy Swiftlet but with subtly different rump and …
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
Western Glossy Swiftlet
西部光背雨燕(Collocalia affinis)是一种体长9-10厘米的小型金丝燕，分布于马来半岛、苏门答腊和婆罗洲的低地和丘陵森林。上体具蓝黑光泽。空中捕食昆虫，在洞穴或岩壁上用唾液筑巢。
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。