Pallid Swift vs Philippine Glossy Swiftlet
Apus pallidus so với Collocalia marginata
Side-by-Side Comparison
| Thuộc Tính | Pallid Swift | Philippine Glossy Swiftlet |
|---|---|---|
| Tên Khoa Học | Apus pallidus | Collocalia marginata |
| Bộ | Caprimulgiformes | Caprimulgiformes |
| Họ | Apodidae | Apodidae |
| Tình Trạng Bảo Tồn | Least Concern | Not Evaluated |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 33,4 cm (13.1 in) | — |
| Khối Lượng | 42,25 g (1.49 oz) | 7,2 g (0.25 oz) |
| Chế Độ Ăn | Aerial insectivore foraging continuously in flight, taking tiny flies, beetles, and ballooning spiders. | Tiny aerial insectivore taking small flying insects and spiders; congregates where insects emerge over water. |
| Số Trứng | 1-4 | -- |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
Pallid Swift only
Philippine Glossy Swiftlet only
Song & Call Comparison
Pallid Swift
Melodic, rolling trill with rich timbre; sustained musical phrase with slight variations on repeated delivery at dusk.
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
Geographic Range & Migration
Pallid Swift
Breeds in the Mediterranean and North Africa east to Pakistan. Migratory; winters in sub-Saharan Africa from Senegal to Ethiopia.
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.
Tình Trạng Bảo Tồn
Pallid Swift
Philippine Glossy Swiftlet
How to Tell Them Apart
Pallid Swift
Medium-large; pale brownish-grey overall, distinctly paler than Common Swift; larger pale throat patch; wing coverts show pale scaly edges; Mediterranean and Middle Eastern species; pale sandy-brown tone separates it from …
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 …
About These Birds
Pallid Swift
A medium-sized swift (16-17 cm) similar to Common Swift but paler, sandy-brown overall with a larger white throat patch. Found across southern Europe, North Africa, and the Middle East. Aerial insectivore. Long-distance migrant wintering in sub-Saharan Africa and South Asia.
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.