Chapman's Swift vs White-chested Swift
Chaetura chapmani 对比 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 |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 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. |
| 产卵数 | 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.
保护状况
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
查普曼雨燕 (Chaetura chapmani)，体长约12厘米。体羽深褐黑色，腰部略浅，尾短具刺状尾羽。分布于特立尼达、委内瑞拉和巴西北部。以飞行昆虫为食，常在热带森林上空成群飞翔。
White-chested Swift
哥伦比亚雨燕限于哥伦比亚南部，是罕见的雨燕。