Philippine Glossy Swiftlet vs Chestnut-collared Swift
Collocalia marginata 对比 Streptoprocne rutila
Side-by-Side Comparison
| 属性 | Philippine Glossy Swiftlet | Chestnut-collared Swift |
|---|---|---|
| 学名 | Collocalia marginata | 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 | 7.2 g (0.25 oz) | 21.8 g (0.77 oz) |
| 食性 | Tiny aerial insectivore taking small flying insects and spiders; congregates where insects emerge over water. | 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
Philippine Glossy Swiftlet
Very high thin twittering; 'tsit-tsit' in flight; echolocation clicks in cave roosts; extremely small; call barely audible to human ear; rapid chittering over Philippine forest
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
Philippine Glossy Swiftlet
Endemic to the Philippines, found on most major islands. Resident in lowland and hill forest and open areas up to 1,500 m elevation.
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
Philippine Glossy Swiftlet
Chestnut-collared Swift
How to Tell Them Apart
Philippine Glossy Swiftlet
Tiny; glossy greenish-black upperparts; white-buff rump patch; dark sooty underparts; deeply forked tail; endemic to Philippine islands; the blue-green iridescence on the back is more pronounced than in drabber Collocalia …
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
Philippine Glossy Swiftlet
菲律宾光背雨燕(Collocalia marginata)是一种体长9-10厘米的小型金丝燕，为菲律宾特有种。深色有光泽羽毛，翅羽具浅色边缘。空中捕食昆虫，在悬崖和建筑物上筑巢。
Chestnut-collared Swift
栗领雨燕栖息于中美洲和南美洲北部的山地。