Philippine Glossy Swiftlet vs Black Spinetail
Collocalia marginata so với Telacanthura melanopygia
Side-by-Side Comparison
| Thuộc Tính | Philippine Glossy Swiftlet | Black Spinetail |
|---|---|---|
| Tên Khoa Học | Collocalia marginata | Telacanthura melanopygia |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Apodidae | Apodidae |
| Tình Trạng Bảo Tồn | Not Evaluated | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | — | 32,4 cm (12.8 in) |
| Khối Lượng | 7,2 g (0.25 oz) | 52,0 g (1.83 oz) |
| Chế Độ Ăn | 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. |
| Số Trứng | -- | -- |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
Philippine Glossy Swiftlet only
Black Spinetail only
Không
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.
Tình Trạng Bảo Tồn
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
A small swiftlet (9-10 cm) endemic to the Philippines. Glossy dark plumage with pale fringes on wing feathers. Aerial insectivore, foraging over forest canopy and clearings. Colonial nester in caves. Found across most major Philippine islands.
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.