Moluccan Swiftlet vs White-chested Swift
Aerodramus infuscatus 对比 Cypseloides lemosi
Side-by-Side Comparison
| 属性 | Moluccan Swiftlet | White-chested Swift |
|---|---|---|
| 学名 | Aerodramus infuscatus | Cypseloides lemosi |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Apodidae | Apodidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 21.2 cm (8.3 in) | 30.0 cm (11.8 in) |
| 体重 | 15.25 g (0.54 oz) | 28.400000000000002 g (1.00 oz) |
| 食性 | Aerial plankton specialist catching tiny flies, gnats, and airborne spiders in tight acrobatic flight. | Obligate aerial forager catching small flies, aphids, winged termites, and airborne spiders on the wing. |
| 产卵数 | -- | -- |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Moluccan Swiftlet
Thin twittering; soft 'chip-chip' calls over Maluku islands; echolocation clicks in caves; moderate-pitched for swiftlet; colonial roosts noisy with overlapping calls
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
Moluccan Swiftlet
Found on the Moluccan islands of Indonesia including Halmahera, Seram, and Ambon. Resident in forest and open habitats. Moluccan endemic.
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
Moluccan Swiftlet
White-chested Swift
How to Tell Them Apart
Moluccan Swiftlet
Small to medium; dark brown-grey upperparts with pale buff rump band; underparts pale whitish-grey; forked tail; North Moluccan endemic; slightly larger than many congeners with relatively prominent pale rump contrasting …
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
Moluccan Swiftlet
一种小型金丝燕（体长11厘米），分布于印度尼西亚摩鹿加群岛。体羽深褐色。属雨燕科（Apodidae），空中食虫，在岛屿洞穴中繁殖。
White-chested Swift
哥伦比亚雨燕限于哥伦比亚南部，是罕见的雨燕。