White-chested Swift vs Tepui Swift
Cypseloides lemosi 对比 Streptoprocne phelpsi
Side-by-Side Comparison
| 属性 | White-chested Swift | Tepui Swift |
|---|---|---|
| 学名 | Cypseloides lemosi | Streptoprocne phelpsi |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Apodidae | Apodidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 30.0 cm (11.8 in) | 25.0 cm (9.8 in) |
| 体重 | 28.400000000000002 g (1.00 oz) | 22.240000000000002 g (0.78 oz) |
| 食性 | Obligate aerial forager catching small flies, aphids, winged termites, and airborne spiders on the wing. | Aerial insectivore taking small flying insects and spiders; may forage at great heights following thermal … |
| 产卵数 | -- | -- |
| 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
Tepui Swift
Sharp, rapid twittering; thin screaming 'scree-scree'; calls over tepui summits in Venezuela; higher-pitched than White-collared Swift; small size reflected in thin notes
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.
Tepui Swift
Found in the tepui highlands of southern Venezuela and adjacent Guyana and Brazil above 1,000 m. Resident in Guiana Shield rocky outcrops.
保护状况
White-chested Swift
Tepui 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 …
Tepui Swift
Dark blackish-brown overall with no white collar; slightly paler brownish-grey chin; small and compact; confined to Venezuelan tepuis; lacks the diagnostic white or chestnut collar found in most Streptoprocne swifts.
About These Birds
White-chested Swift
哥伦比亚雨燕限于哥伦比亚南部，是罕见的雨燕。
Tepui Swift
A medium-sized swift (15-16 cm) endemic to the tepui highlands of southern Venezuela and adjacent Guyana. Dark plumage. Aerial insectivore, foraging over tepui cliffs and forested valleys. Named after William Phelps. One of the least known Neotropical swifts.