Black-nest Swiftlet vs Alpine Swift
Aerodramus maximus 对比 Tachymarptis melba
Side-by-Side Comparison
| 属性 | Black-nest Swiftlet | Alpine Swift |
|---|---|---|
| 学名 | Aerodramus maximus | Tachymarptis melba |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Apodidae | Apodidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 25.8 cm (10.2 in) | 43.9 cm (17.3 in) |
| 体重 | 16.8 g (0.59 oz) | 97.5 g (3.44 oz) |
| 食性 | Aerial plankton feeder taking tiny midges, fungus gnats, and ballooning spiders in rapid coursing flights. | Aerial insectivore taking small flying insects and spiders; may forage at great heights following thermal … |
| 产卵数 | 1 | 1-4 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Black-nest Swiftlet
Rapid twittering; thin 'tsit-tsit' over Southeast Asian forest; audible echolocation clicks in caves; larger than many swiftlets; slightly louder calls; colonial nester with dark nest
Alpine Swift
Rapid series of short, clipped whistles; bright, clean notes delivered in quick succession with occasional doubled phrase.
Geographic Range & Migration
Black-nest Swiftlet
Found from the Nicobar Islands through the Thai-Malay Peninsula, Borneo, and the Philippines. Famous for edible nests made of pure saliva.
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
Black-nest Swiftlet
Alpine Swift
How to Tell Them Apart
Black-nest Swiftlet
Medium-small; dark sooty-brown upperparts with rump slightly paler grey-brown; underparts dark sooty-grey; forked tail; one of the largest Aerodramus swiftlets; named for its distinctive all-black saliva nest rather than visible …
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
Black-nest Swiftlet
一种中型金丝燕（体长13-14厘米），分布于马来半岛至印度尼西亚及菲律宾。属雨燕科（Apodidae），是金丝燕中体型最大者之一，同样以唾液筑巢。
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。