Philippine Glossy Swiftlet vs Black Spinetail
Collocalia marginata 对比 Telacanthura melanopygia
Side-by-Side Comparison
| 属性 | Philippine Glossy Swiftlet | Black Spinetail |
|---|---|---|
| 学名 | Collocalia marginata | Telacanthura melanopygia |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Apodidae | Apodidae |
| 保护状况 | Not Evaluated | Least Concern |
| 体长 | — | — |
| 翼展 | — | 32.4 cm (12.8 in) |
| 体重 | 7.2 g (0.25 oz) | 52.0 g (1.83 oz) |
| 食性 | Tiny aerial insectivore taking small flying insects and spiders; congregates where insects emerge over water. | High-speed aerial insectivore catching small flying insects and aerial spiders during fast sustained flight. |
| 产卵数 | -- | -- |
| 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
Black Spinetail
Deep, resonant chattering with gravelly undertones; series of rough churring notes interspersed with sharp screaming calls.
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.
Black Spinetail
Found in West and Central Africa from Nigeria and Cameroon east to Uganda. Resident in lowland rainforest and forest edge.
保护状况
Philippine Glossy Swiftlet
Black Spinetail
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 …
Black Spinetail
Large; entirely black plumage with slight gloss; black rump unlike white-rumped congeners; underparts dark; spiny tail; West African forest species; all-black coloration with no contrasting markings distinguishes it from all …
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。
Black Spinetail
A medium-sized spinetail swift (14-15 cm) of lowland rainforests in West and Central Africa. All-dark plumage. Spine-tipped tail for bracing against tree trunks. Aerial insectivore, foraging above the forest canopy. Nests inside hollow trees. Uncommon and seldom observed.