Bornean Swiftlet vs Chestnut-collared Swift
Collocalia dodgei 对比 Streptoprocne rutila
Side-by-Side Comparison
| 属性 | Bornean Swiftlet | Chestnut-collared Swift |
|---|---|---|
| 学名 | Collocalia dodgei | Streptoprocne rutila |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Apodidae | Apodidae |
| 保护状况 | Not Evaluated | Least Concern |
| 体长 | — | — |
| 翼展 | — | 26.0 cm (10.2 in) |
| 体重 | 6.1 g (0.22 oz) | 21.8 g (0.77 oz) |
| 食性 | Small aerial insectivore feeding on minute flying insects and spiders; forages over forest canopy and … | Entirely airborne feeder on tiny flies, gnats, and airborne arachnids; one of the most aerial … |
| 产卵数 | -- | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Bornean Swiftlet
High thin twittering; soft 'tsit' notes over Borneo mountains; echolocation in cave roosts; tiny highland swiftlet; call weakly audible; soft rapid chittering in flight
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
Bornean Swiftlet
Endemic to Borneo in lowland dipterocarp forest and hill forest. Closely related to Glossy Swiftlet; range barely extends to Palawan.
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
Bornean Swiftlet
Chestnut-collared Swift
How to Tell Them Apart
Bornean Swiftlet
Tiny; dark glossy blue-green upperparts; pale whitish rump band; dark sooty-grey underparts; forked tail; Borneo endemic restricted to montane zones; similar to Glossy Swiftlet but less white below and confined …
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
Bornean Swiftlet
婆罗洲金丝燕(Collocalia dodgei)是一种体长9-10厘米的小型金丝燕，为海拔900-3400米的婆罗洲北部山地森林特有种。深色有光泽羽毛。空中捕食昆虫，在山地洞穴中筑巢。
Chestnut-collared Swift
栗领雨燕栖息于中美洲和南美洲北部的山地。