Mossy-nest Swiftlet vs Chestnut-collared Swift
Aerodramus salangana 对比 Streptoprocne rutila
Side-by-Side Comparison
| 属性 | Mossy-nest Swiftlet | Chestnut-collared Swift |
|---|---|---|
| 学名 | Aerodramus salangana | Streptoprocne rutila |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Apodidae | Apodidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 22.7 cm (8.9 in) | 26.0 cm (10.2 in) |
| 体重 | 11.3 g (0.40 oz) | 21.8 g (0.77 oz) |
| 食性 | Aerial insectivore consuming minute dipterans, midges, and ballooning spiders caught in continuous fast flight. | Entirely airborne feeder on tiny flies, gnats, and airborne arachnids; one of the most aerial … |
| 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
Chestnut-collared Swift
High, screaming trill; rapid 'scree-scree' in flight; shrill and penetrating; calls over Neotropical mountains and canyon edges; alarm a rapid screeching chatter
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.
Chestnut-collared Swift
Found from Mexico and the Caribbean south through Central America and South America to Argentina. Resident in highlands near mountain cliffs.
保护状况
Mossy-nest Swiftlet
Chestnut-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.
Chestnut-collared Swift
Dark blackish-brown body with diagnostic rich chestnut collar encircling entire neck; collar bold and complete; underparts slightly paler brown; small swift with striking warm-toned neck band contrasting vividly with dark …
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。
Chestnut-collared Swift
栗领雨燕栖息于中美洲和南美洲北部的山地。