Edible-nest Swiftlet vs White-chested Swift
Aerodramus fuciphagus 对比 Cypseloides lemosi
Side-by-Side Comparison
| 属性 | Edible-nest Swiftlet | White-chested Swift |
|---|---|---|
| 学名 | Aerodramus fuciphagus | Cypseloides lemosi |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Apodidae | Apodidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 22.6 cm (8.9 in) | 30.0 cm (11.8 in) |
| 体重 | 13.040000000000001 g (0.46 oz) | 28.400000000000002 g (1.00 oz) |
| 食性 | Obligate aerial insectivore; catches minute flies, beetles, and aerial spiders while foraging near cave roosts. | Obligate aerial forager catching small flies, aphids, winged termites, and airborne spiders on the wing. |
| 产卵数 | 1-2 | -- |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Edible-nest Swiftlet
Rapid twittering; 'chip-chip-chip' over Southeast Asian coast; strong echolocation clicks distinctive in cave roosts; colonial nester; calls produce audible clicking chorus in caves
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
Edible-nest Swiftlet
Found from the Andaman Islands east through Southeast Asia to Borneo and the Philippines. Produces edible nests used in bird's nest soup.
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
Edible-nest Swiftlet
White-chested Swift
How to Tell Them Apart
Edible-nest Swiftlet
Small; dark grey-brown upperparts; pale buff-grey rump band; underparts pale whitish-grey; forked tail; Southeast Asian species prized for white saliva nests used in bird's nest soup; plumage unremarkable but economically …
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
Edible-nest Swiftlet
一种中型金丝燕（体长12-13厘米），分布于安达曼-尼科巴群岛至东南亚及菲律宾。属雨燕科（Apodidae），用纯唾液筑巢，是名贵"燕窝"的主要来源之一，具有重要的商业价值。
White-chested Swift
哥伦比亚雨燕限于哥伦比亚南部，是罕见的雨燕。