Glossy Swiftlet vs White-chested Swift
Collocalia esculenta 비교 대상 Cypseloides lemosi
Side-by-Side Comparison
| 속성 | Glossy Swiftlet | White-chested Swift |
|---|---|---|
| 학명 | Collocalia esculenta | Cypseloides lemosi |
| 목 | Caprimulgiformes | Caprimulgiformes |
| 과 | Apodidae | Apodidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 19.9 cm (7.8 in) | 30.0 cm (11.8 in) |
| 체중 | 8.66 g (0.31 oz) | 28.400000000000002 g (1.00 oz) |
| 식성 | Feeds on aerial plankton including tiny flies and spiders; forages in large noisy flocks above … | Obligate aerial forager catching small flies, aphids, winged termites, and airborne spiders on the wing. |
| 산란 수 | 1-2 | -- |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Glossy Swiftlet
Rapid, high-pitched twittering; thin 'tsit-tsit-tsit' in flight; echolocation clicks audible in cave roosts; very common; calls over forest and open areas; colonial and noisy
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
Glossy Swiftlet
Found from India and Sri Lanka through Southeast Asia to New Guinea, Australia, and Pacific islands. One of the most widespread swiftlets.
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
Glossy Swiftlet
White-chested Swift
How to Tell Them Apart
Glossy Swiftlet
Tiny; brilliant blue-green glossy upperparts; contrasting white rump patch; white underparts; deeply forked tail; widespread Indo-Pacific species and one of the most colourful swiftlets with a striking tricolour of gloss, …
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
Glossy Swiftlet
유리칼새(Collocalia esculenta)는 동남아시아에서 태평양 섬들까지 광범위하게 분포하는 소형 칼새입니다. 반짝이는 어두운 녹색 윗면과 흰 배가 특징이며, 식용 둥지로 알려진 연소속에 타액으로 만든 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.