Glossy Swiftlet vs White-chested Swift
Collocalia esculenta 比較対象 Cypseloides lemosi
Side-by-Side Comparison
| 属性 | Glossy Swiftlet | White-chested Swift |
|---|---|---|
| 学名 | Collocalia esculenta | Cypseloides lemosi |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Apodidae | Apodidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 19.9 cm (7.8 in) | 30.0 cm (11.8 in) |
| 体重 | 8.66 g (0.31 oz) | 28.400000000000002 g (1.00 oz) |
| 食性 | 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. |
| 一腹卵数 | 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.
保全状況
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
ヒメアナツバメはインドから太平洋諸島にかけて広く分布し、光沢のある緑黒色の羽毛を持つ小型のアナツバメである。
White-chested Swift
コロンビアアマツバメはコロンビア南部に限定的に生息する希少なアマツバメである。