Chapman's Swift vs White-chested Swift
Chaetura chapmani 比較対象 Cypseloides lemosi
Side-by-Side Comparison
| 属性 | Chapman's Swift | White-chested Swift |
|---|---|---|
| 学名 | Chaetura chapmani | Cypseloides lemosi |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Apodidae | Apodidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 24.6 cm (9.7 in) | 30.0 cm (11.8 in) |
| 体重 | 23.416666666666668 g (0.83 oz) | 28.400000000000002 g (1.00 oz) |
| 食性 | Obligate aerial forager; feeds entirely on the wing on small flying insects, midges, and airborne … | Obligate aerial forager catching small flies, aphids, winged termites, and airborne spiders on the wing. |
| 一腹卵数 | 2-3 | -- |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Chapman's Swift
Quick, bubbling series of soft chips; pleasant liquid twittering with slightly buzzy edges, delivered during aerial display.
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
Chapman's Swift
Found in Trinidad and Tobago and northern South America from Colombia and Venezuela south to northeastern Brazil. Resident in lowland forest.
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
Chapman's Swift
White-chested Swift
How to Tell Them Apart
Chapman's Swift
Small; dark sooty-brown overall; rump slightly paler grey-brown than back; underparts dark brown; short spiny tail; Amazonian species intermediate in plumage between Chimney Swift and Band-rumped Swift; relatively poorly differentiated …
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
Chapman's Swift
中米から南米北部・トリニダードの森林に生息する小型アマツバメ（12〜13 cm）。灰色の腰を持つ暗い羽衣。棘状の尾。空中で昆虫を捕食。識別が難しい種。
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。