Mossy-nest Swiftlet vs White-collared Swift
Aerodramus salangana 对比 Streptoprocne zonaris
Side-by-Side Comparison
| 属性 | Mossy-nest Swiftlet | White-collared Swift |
|---|---|---|
| 学名 | Aerodramus salangana | Streptoprocne zonaris |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Apodidae | Apodidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 22.7 cm (8.9 in) | 42.5 cm (16.7 in) |
| 体重 | 11.3 g (0.40 oz) | 106.45 g (3.75 oz) |
| 食性 | Aerial insectivore consuming minute dipterans, midges, and ballooning spiders caught in continuous fast flight. | Obligate aerial insectivore; gathers small flying insects, winged ants, and airborne spiders during flight. |
| 产卵数 | 1-2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Mossy-nest Swiftlet
Rapid thin twittering; 'chip-chip' over Borneo forests; echolocation clicks in cave roosts; uses mossy nest material; calls softly in colonial roosts; moderate-pitched swiftlet
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
Mossy-nest Swiftlet
Found from the Philippines through Borneo and Sulawesi to the Moluccas. Resident in lowland and hill forest, often over rivers.
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
Mossy-nest Swiftlet
White-collared Swift
How to Tell Them Apart
Mossy-nest Swiftlet
Small; dark grey-brown upperparts with slight iridescence; pale grey-brown rump slightly paler than back; underparts greyish-white; forked tail; Sundaic swiftlet building mossy nests; rump contrast moderate, less striking than White-rumped.
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
Mossy-nest Swiftlet
一种小型金丝燕（体长11-12厘米），分布于马来半岛至印度尼西亚和菲律宾。体羽深色。属雨燕科（Apodidae），在东南亚岛屿洞穴中大量繁殖。
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。