Salim Ali's Swift vs White-chested Swift
Apus salimalii 比較対象 Cypseloides lemosi
Side-by-Side Comparison
| 属性 | Salim Ali's Swift | White-chested Swift |
|---|---|---|
| 学名 | Apus salimalii | Cypseloides lemosi |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Apodidae | Apodidae |
| 保全状況 | Not Evaluated | Least Concern |
| 体長 | — | — |
| 翼開長 | — | 30.0 cm (11.8 in) |
| 体重 | 42.949999999999996 g (1.52 oz) | 28.400000000000002 g (1.00 oz) |
| 食性 | Aerial-only diet of small flying insects, winged termites, and drifting spiders caught during continuous flight. | Obligate aerial forager catching small flies, aphids, winged termites, and airborne spiders on the wing. |
| 一腹卵数 | -- | -- |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Salim Ali's Swift
Faint, high-pitched squeak nearly inaudible; minute twittering barely registering above background in dense forest habitats.
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
Salim Ali's Swift
Found in northeastern India, China, and Indochina. Resident or short-distance migrant in hill and mountain forest. Recently split from Pacific Swift.
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
Salim Ali's Swift
White-chested Swift
How to Tell Them Apart
Salim Ali's Swift
Dark sooty-brown upperparts; white rump patch; pale white throat; underparts dark; deeply forked tail; recently split from Pacific Swift; named in honour of Indian ornithologist Salim Ali; plumage virtually identical …
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
Salim Ali's Swift
A medium-sized swift recently described and split from Pacific Swift, found in the Western Ghats and central India. Dark plumage with a pale rump. Aerial insectivore. Named after the renowned Indian ornithologist Salim Ali. Limited ecological data as a newly recognized species.
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。