Pallid Swift vs Philippine Glossy Swiftlet
Apus pallidus 비교 대상 Collocalia marginata
Side-by-Side Comparison
| 속성 | Pallid Swift | Philippine Glossy Swiftlet |
|---|---|---|
| 학명 | Apus pallidus | Collocalia marginata |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Apodidae | Apodidae |
| 보전 상태 | Least Concern | Not Evaluated |
| 체장 | — | — |
| 날개 폭 | 33.4 cm (13.1 in) | — |
| 체중 | 42.25 g (1.49 oz) | 7.2 g (0.25 oz) |
| 식성 | 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. |
| 산란 수 | 1-4 | -- |
| Population Trend | — | — |
Habitat Comparison
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.
보전 상태
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
창백한 칼새는 지중해와 중동, 아시아 중부에서 번식하고 아프리카에서 월동합니다. 연한 갈색 깃털과 목의 연한 색이 특징이며, 절벽과 건물에서 번식합니다.
Philippine Glossy Swiftlet
인도칼새(Collocalia marginata)는 인도 남부와 스리랑카에 서식하는 칼새입니다. 어두운 깃털과 연한 흰색 허리 반점이 특징이며, 급경사 절벽에 둥지를 짓습니다.