White-chested Swift vs Great Swallow-tailed Swift
Cypseloides lemosi 比較対象 Panyptila sanctihieronymi
Side-by-Side Comparison
| 属性 | White-chested Swift | Great Swallow-tailed Swift |
|---|---|---|
| 学名 | Cypseloides lemosi | Panyptila sanctihieronymi |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Apodidae | Apodidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 30.0 cm (11.8 in) | 36.8 cm (14.5 in) |
| 体重 | 28.400000000000002 g (1.00 oz) | 48.416666666666664 g (1.71 oz) |
| 食性 | Obligate aerial forager catching small flies, aphids, winged termites, and airborne spiders on the wing. | Catches aerial plankton — tiny midges, gnats, and ballooning spiders — continuously during soaring flight. |
| 一腹卵数 | -- | 2-3 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
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
Great Swallow-tailed Swift
Soft, rippling trill with liquid overtones; easy flowing sequence of mellow notes carrying pleasantly across open sky.
Geographic Range & Migration
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.
Great Swallow-tailed Swift
Found from southern Mexico through Guatemala, Honduras, to Costa Rica. Resident in humid highland forest at 600–2,000 m elevation.
保全状況
White-chested Swift
Great Swallow-tailed Swift
How to Tell Them Apart
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 …
Great Swallow-tailed Swift
Black upperparts with white throat and white flanks; bold white rump patch; extremely long deeply forked tail with white outer feather edges; Central American species with the most spectacular forked …
About These Birds
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。
Great Swallow-tailed Swift
A large swift (18-20 cm) with an extremely long, deeply forked tail. Dark plumage with a white throat and collar. Found in highland forests from southern Mexico to Honduras. Aerial insectivore, foraging over mountain canyons and pine-oak forests. Uncommon and rarely observed.