Philippine Glossy Swiftlet vs White-chested Swift
Collocalia marginata 비교 대상 Cypseloides lemosi
Side-by-Side Comparison
| 속성 | Philippine Glossy Swiftlet | White-chested Swift |
|---|---|---|
| 학명 | Collocalia marginata | Cypseloides lemosi |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Apodidae | Apodidae |
| 보전 상태 | Not Evaluated | Least Concern |
| 체장 | — | — |
| 날개 폭 | — | 30.0 cm (11.8 in) |
| 체중 | 7.2 g (0.25 oz) | 28.400000000000002 g (1.00 oz) |
| 식성 | Tiny aerial insectivore taking small flying insects and spiders; congregates where insects emerge over water. | Obligate aerial forager catching small flies, aphids, winged termites, and airborne spiders on the wing. |
| 산란 수 | -- | -- |
| 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
White-chested Swift
High, thin twittering; soft 'tsit' calls in flight; calls over Colombian waterfalls; very poorly known; thin, reedy contact notes; one of most rarely documented swifts
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.
White-chested Swift
Known from Colombia and adjacent Ecuador. One of the world's rarest swifts; recorded at waterfalls in humid forest foothills at 500–1,200 m.
보전 상태
Philippine Glossy Swiftlet
White-chested 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 …
White-chested Swift
Black upperparts and wings; distinctive large white chest patch contrasting sharply with black throat and belly; white confined to central breast; Colombian endemic with unique bold bicoloured plumage unlike any …
About These Birds
Philippine Glossy Swiftlet
인도칼새(Collocalia marginata)는 인도 남부와 스리랑카에 서식하는 칼새입니다. 어두운 깃털과 연한 흰색 허리 반점이 특징이며, 급경사 절벽에 둥지를 짓습니다.
White-chested Swift
14–15 cm의 중형 칼새로 콜롬비아 카우카 상부 계곡 고유종. 흰 가슴 반점이 있는 그을린 흑색 깃털. 아열대림의 공중 곤충식성. 극도로 제한된 분포와 지속적인 서식지 손실로 위기종으로 분류.