Black-nest Swiftlet vs White-collared Swift
Aerodramus maximus 对比 Streptoprocne zonaris
Side-by-Side Comparison
| 属性 | Black-nest Swiftlet | White-collared Swift |
|---|---|---|
| 学名 | Aerodramus maximus | Streptoprocne zonaris |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Apodidae | Apodidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 25.8 cm (10.2 in) | 42.5 cm (16.7 in) |
| 体重 | 16.8 g (0.59 oz) | 106.45 g (3.75 oz) |
| 食性 | Aerial plankton feeder taking tiny midges, fungus gnats, and ballooning spiders in rapid coursing flights. | Obligate aerial insectivore; gathers small flying insects, winged ants, and airborne spiders during flight. |
| 产卵数 | 1 | 2 |
| 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
White-collared Swift
Loud, screaming 'shreee-shreee'; powerful screeching trill; calls from large flocks over mountains; very audible; one of the loudest Neotropical swifts; alarm a harsh rattle
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.
White-collared Swift
Found from Mexico south through Central America to South America east of the Andes, reaching Bolivia and southern Brazil. Often in large flocks.
保护状况
Black-nest Swiftlet
White-collared 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 …
White-collared Swift
Large; glossy blue-black plumage with bold broad white collar encircling entire neck; collar clean and complete; underparts black; large slightly forked tail; among the most recognisable Neotropical swifts due to …
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。
White-collared Swift
白领雨燕广泛分布于拉丁美洲山地，以白色颈环为特征的大型雨燕。